fixed CS

src/Symfony/Bridge/PhpUnit/ClassExistsMock.php

@@ -16,7 +16,7 @@ namespace Symfony\Bridge\PhpUnit;
  */
 class ClassExistsMock
 {
-    private static $classes = array();
+    private static $classes = [];
 
     /**
      * Configures the classes to be checked upon existence.
@@ -47,7 +47,7 @@ class ClassExistsMock
     {
         $self = \get_called_class();
 
-        $mockedNs = array(substr($class, 0, strrpos($class, '\\')));
+        $mockedNs = [substr($class, 0, strrpos($class, '\\'))];
         if (0 < strpos($class, '\\Tests\\')) {
             $ns = str_replace('\\Tests\\', '\\', $class);
             $mockedNs[] = substr($ns, 0, strrpos($ns, '\\'));
@@ -55,7 +55,7 @@ class ClassExistsMock
             $mockedNs[] = substr($class, 6, strrpos($class, '\\') - 6);
         }
         foreach ($mockedNs as $ns) {
-            foreach (array('class', 'interface', 'trait') as $type) {
+            foreach (['class', 'interface', 'trait'] as $type) {
                 if (\function_exists($ns.'\\'.$type.'_exists')) {
                     continue;
                 }

src/Symfony/Bridge/PhpUnit/Tests/ClassExistsMockTest.php

@@ -23,14 +23,14 @@ class ClassExistsMockTest extends TestCase
 
     protected function setUp()
     {
-        ClassExistsMock::withMockedClasses(array(
+        ClassExistsMock::withMockedClasses([
             ExistingClass::class => false,
             'NonExistingClass' => true,
             ExistingInterface::class => false,
             'NonExistingInterface' => true,
             ExistingTrait::class => false,
             'NonExistingTrait' => true,
-        ));
+        ]);
     }
 
     public function testClassExists()

src/Symfony/Bundle/DebugBundle/DependencyInjection/Configuration.php

@@ -60,7 +60,7 @@ class Configuration implements ConfigurationInterface
                     ->enumNode('theme')
                         ->info('Changes the color of the dump() output when rendered directly on the templating. "dark" (default) or "light"')
                         ->example('dark')
-                        ->values(array('dark', 'light'))
+                        ->values(['dark', 'light'])
                         ->defaultValue('dark')
                     ->end()
                 ->end()

src/Symfony/Bundle/DebugBundle/DependencyInjection/DebugExtension.php

@@ -45,7 +45,7 @@ class DebugExtension extends Extension
 
         if (method_exists(HtmlDumper::class, 'setTheme') && 'dark' !== $config['theme']) {
             $container->getDefinition('var_dumper.html_dumper')
-                ->addMethodCall('setTheme', array($config['theme']));
+                ->addMethodCall('setTheme', [$config['theme']]);
         }
 
         if (null === $config['dump_destination']) {
@@ -79,9 +79,9 @@ class DebugExtension extends Extension
 
         if (method_exists(CliDumper::class, 'setDisplayOptions')) {
             $container->getDefinition('var_dumper.cli_dumper')
-                ->addMethodCall('setDisplayOptions', array(array(
+                ->addMethodCall('setDisplayOptions', [[
                     'fileLinkFormat' => new Reference('debug.file_link_formatter', ContainerBuilder::IGNORE_ON_INVALID_REFERENCE),
-                )))
+                ]])
             ;
         }
     }

src/Symfony/Component/BrowserKit/Client.php

@@ -31,7 +31,7 @@ abstract class Client
 {
     protected $history;
     protected $cookieJar;
-    protected $server = array();
+    protected $server = [];
     protected $internalRequest;
     protected $request;
     protected $internalResponse;
@@ -44,7 +44,7 @@ abstract class Client
 
     private $maxRedirects = -1;
     private $redirectCount = 0;
-    private $redirects = array();
+    private $redirects = [];
     private $isMainRequest = true;
 
     /**
@@ -52,7 +52,7 @@ abstract class Client
      * @param History   $history   A History instance to store the browser history
      * @param CookieJar $cookieJar A CookieJar instance to store the cookies
      */
-    public function __construct(array $server = array(), History $history = null, CookieJar $cookieJar = null)
+    public function __construct(array $server = [], History $history = null, CookieJar $cookieJar = null)
     {
         $this->setServerParameters($server);
         $this->history = $history ?: new History();
@@ -131,9 +131,9 @@ abstract class Client
      */
     public function setServerParameters(array $server)
     {
-        $this->server = array_merge(array(
+        $this->server = array_merge([
             'HTTP_USER_AGENT' => 'Symfony BrowserKit',
-        ), $server);
+        ], $server);
     }
 
     /**
@@ -160,7 +160,7 @@ abstract class Client
         return isset($this->server[$key]) ? $this->server[$key] : $default;
     }
 
-    public function xmlHttpRequest(string $method, string $uri, array $parameters = array(), array $files = array(), array $server = array(), string $content = null, bool $changeHistory = true): Crawler
+    public function xmlHttpRequest(string $method, string $uri, array $parameters = [], array $files = [], array $server = [], string $content = null, bool $changeHistory = true): Crawler
     {
         $this->setServerParameter('HTTP_X_REQUESTED_WITH', 'XMLHttpRequest');
 
@@ -313,14 +313,14 @@ abstract class Client
      *
      * @return Crawler
      */
-    public function submit(Form $form, array $values = array()/*, array $serverParameters = array()*/)
+    public function submit(Form $form, array $values = []/*, array $serverParameters = array()*/)
     {
         if (\func_num_args() < 3 && __CLASS__ !== \get_class($this) && __CLASS__ !== (new \ReflectionMethod($this, __FUNCTION__))->getDeclaringClass()->getName() && !$this instanceof \PHPUnit\Framework\MockObject\MockObject && !$this instanceof \Prophecy\Prophecy\ProphecySubjectInterface) {
             @trigger_error(sprintf('The "%s()" method will have a new "array $serverParameters = array()" argument in version 5.0, not defining it is deprecated since Symfony 4.2.', __METHOD__), E_USER_DEPRECATED);
         }
 
         $form->setValues($values);
-        $serverParameters = 2 < \func_num_args() ? func_get_arg(2) : array();
+        $serverParameters = 2 < \func_num_args() ? func_get_arg(2) : [];
 
         return $this->request($form->getMethod(), $form->getUri(), $form->getPhpValues(), $form->getPhpFiles(), $serverParameters);
     }
@@ -334,7 +334,7 @@ abstract class Client
      * @param string $method           The HTTP method used to submit the form
      * @param array  $serverParameters These values override the ones stored in $_SERVER (HTTP headers must include a HTTP_ prefix as PHP does)
      */
-    public function submitForm(string $button, array $fieldValues = array(), string $method = 'POST', array $serverParameters = array()): Crawler
+    public function submitForm(string $button, array $fieldValues = [], string $method = 'POST', array $serverParameters = []): Crawler
     {
         if (null === $this->crawler) {
             throw new BadMethodCallException(sprintf('The "request()" method must be called before "%s()".', __METHOD__));
@@ -343,7 +343,7 @@ abstract class Client
         $buttonNode = $this->crawler->selectButton($button);
         $form = $buttonNode->form($fieldValues, $method);
 
-        return $this->submit($form, array(), $serverParameters);
+        return $this->submit($form, [], $serverParameters);
     }
 
     /**
@@ -359,7 +359,7 @@ abstract class Client
      *
      * @return Crawler
      */
-    public function request(string $method, string $uri, array $parameters = array(), array $files = array(), array $server = array(), string $content = null, bool $changeHistory = true)
+    public function request(string $method, string $uri, array $parameters = [], array $files = [], array $server = [], string $content = null, bool $changeHistory = true)
     {
         if ($this->isMainRequest) {
             $this->redirectCount = 0;
@@ -455,7 +455,7 @@ abstract class Client
         if (file_exists($deprecationsFile)) {
             $deprecations = file_get_contents($deprecationsFile);
             unlink($deprecationsFile);
-            foreach ($deprecations ? unserialize($deprecations) : array() as $deprecation) {
+            foreach ($deprecations ? unserialize($deprecations) : [] as $deprecation) {
                 if ($deprecation[0]) {
                     @trigger_error($deprecation[1], E_USER_DEPRECATED);
                 } else {
@@ -599,9 +599,9 @@ abstract class Client
 
         $request = $this->internalRequest;
 
-        if (\in_array($this->internalResponse->getStatusCode(), array(301, 302, 303))) {
+        if (\in_array($this->internalResponse->getStatusCode(), [301, 302, 303])) {
             $method = 'GET';
-            $files = array();
+            $files = [];
             $content = null;
         } else {
             $method = $request->getMethod();
@@ -611,7 +611,7 @@ abstract class Client
 
         if ('GET' === strtoupper($method)) {
             // Don't forward parameters for GET request as it should reach the redirection URI
-            $parameters = array();
+            $parameters = [];
         } else {
             $parameters = $request->getParameters();
         }
@@ -634,7 +634,7 @@ abstract class Client
     private function getMetaRefreshUrl(): ?string
     {
         $metaRefresh = $this->getCrawler()->filter('head meta[http-equiv="refresh"]');
-        foreach ($metaRefresh->extract(array('content')) as $content) {
+        foreach ($metaRefresh->extract(['content']) as $content) {
             if (preg_match('/^\s*0\s*;\s*URL\s*=\s*(?|\'([^\']++)|"([^"]++)|([^\'"].*))/i', $content, $m)) {
                 return str_replace("\t\r\n", '', rtrim($m[1]));
             }

src/Symfony/Component/Console/Formatter/OutputFormatterStyle.php

@@ -20,40 +20,40 @@ use Symfony\Component\Console\Exception\InvalidArgumentException;
  */
 class OutputFormatterStyle implements OutputFormatterStyleInterface
 {
-    private static $availableForegroundColors = array(
-        'black' => array('set' => 30, 'unset' => 39),
-        'red' => array('set' => 31, 'unset' => 39),
-        'green' => array('set' => 32, 'unset' => 39),
-        'yellow' => array('set' => 33, 'unset' => 39),
-        'blue' => array('set' => 34, 'unset' => 39),
-        'magenta' => array('set' => 35, 'unset' => 39),
-        'cyan' => array('set' => 36, 'unset' => 39),
-        'white' => array('set' => 37, 'unset' => 39),
-        'default' => array('set' => 39, 'unset' => 39),
-    );
-    private static $availableBackgroundColors = array(
-        'black' => array('set' => 40, 'unset' => 49),
-        'red' => array('set' => 41, 'unset' => 49),
-        'green' => array('set' => 42, 'unset' => 49),
-        'yellow' => array('set' => 43, 'unset' => 49),
-        'blue' => array('set' => 44, 'unset' => 49),
-        'magenta' => array('set' => 45, 'unset' => 49),
-        'cyan' => array('set' => 46, 'unset' => 49),
-        'white' => array('set' => 47, 'unset' => 49),
-        'default' => array('set' => 49, 'unset' => 49),
-    );
-    private static $availableOptions = array(
-        'bold' => array('set' => 1, 'unset' => 22),
-        'underscore' => array('set' => 4, 'unset' => 24),
-        'blink' => array('set' => 5, 'unset' => 25),
-        'reverse' => array('set' => 7, 'unset' => 27),
-        'conceal' => array('set' => 8, 'unset' => 28),
-    );
+    private static $availableForegroundColors = [
+        'black' => ['set' => 30, 'unset' => 39],
+        'red' => ['set' => 31, 'unset' => 39],
+        'green' => ['set' => 32, 'unset' => 39],
+        'yellow' => ['set' => 33, 'unset' => 39],
+        'blue' => ['set' => 34, 'unset' => 39],
+        'magenta' => ['set' => 35, 'unset' => 39],
+        'cyan' => ['set' => 36, 'unset' => 39],
+        'white' => ['set' => 37, 'unset' => 39],
+        'default' => ['set' => 39, 'unset' => 39],
+    ];
+    private static $availableBackgroundColors = [
+        'black' => ['set' => 40, 'unset' => 49],
+        'red' => ['set' => 41, 'unset' => 49],
+        'green' => ['set' => 42, 'unset' => 49],
+        'yellow' => ['set' => 43, 'unset' => 49],
+        'blue' => ['set' => 44, 'unset' => 49],
+        'magenta' => ['set' => 45, 'unset' => 49],
+        'cyan' => ['set' => 46, 'unset' => 49],
+        'white' => ['set' => 47, 'unset' => 49],
+        'default' => ['set' => 49, 'unset' => 49],
+    ];
+    private static $availableOptions = [
+        'bold' => ['set' => 1, 'unset' => 22],
+        'underscore' => ['set' => 4, 'unset' => 24],
+        'blink' => ['set' => 5, 'unset' => 25],
+        'reverse' => ['set' => 7, 'unset' => 27],
+        'conceal' => ['set' => 8, 'unset' => 28],
+    ];
 
     private $foreground;
     private $background;
     private $href;
-    private $options = array();
+    private $options = [];
     private $handlesHrefGracefully;
 
     /**
@@ -63,7 +63,7 @@ class OutputFormatterStyle implements OutputFormatterStyleInterface
      * @param string|null $background The style background color name
      * @param array       $options    The style options
      */
-    public function __construct(string $foreground = null, string $background = null, array $options = array())
+    public function __construct(string $foreground = null, string $background = null, array $options = [])
     {
         if (null !== $foreground) {
             $this->setForeground($foreground);
@@ -167,7 +167,7 @@ class OutputFormatterStyle implements OutputFormatterStyleInterface
      */
     public function setOptions(array $options)
     {
-        $this->options = array();
+        $this->options = [];
 
         foreach ($options as $option) {
             $this->setOption($option);
@@ -183,8 +183,8 @@ class OutputFormatterStyle implements OutputFormatterStyleInterface
      */
     public function apply($text)
     {
-        $setCodes = array();
-        $unsetCodes = array();
+        $setCodes = [];
+        $unsetCodes = [];
 
         if (null === $this->handlesHrefGracefully) {
             $this->handlesHrefGracefully = 'JetBrains-JediTerm' !== getenv('TERMINAL_EMULATOR');

src/Symfony/Component/Console/Tests/Formatter/OutputFormatterTest.php

@@ -256,15 +256,15 @@ class OutputFormatterTest extends TestCase
 
     public function provideDecoratedAndNonDecoratedOutput()
     {
-        return array(
-            array('<error>some error</error>', 'some error', "\033[37;41msome error\033[39;49m"),
-            array('<info>some info</info>', 'some info', "\033[32msome info\033[39m"),
-            array('<comment>some comment</comment>', 'some comment', "\033[33msome comment\033[39m"),
-            array('<question>some question</question>', 'some question', "\033[30;46msome question\033[39;49m"),
-            array('<fg=red>some text with inline style</>', 'some text with inline style', "\033[31msome text with inline style\033[39m"),
-            array('<href=idea://open/?file=/path/SomeFile.php&line=12>some URL</>', 'some URL', "\033]8;;idea://open/?file=/path/SomeFile.php&line=12\033\\some URL\033]8;;\033\\"),
-            array('<href=idea://open/?file=/path/SomeFile.php&line=12>some URL</>', 'some URL', 'some URL', 'JetBrains-JediTerm'),
-        );
+        return [
+            ['<error>some error</error>', 'some error', "\033[37;41msome error\033[39;49m"],
+            ['<info>some info</info>', 'some info', "\033[32msome info\033[39m"],
+            ['<comment>some comment</comment>', 'some comment', "\033[33msome comment\033[39m"],
+            ['<question>some question</question>', 'some question', "\033[30;46msome question\033[39;49m"],
+            ['<fg=red>some text with inline style</>', 'some text with inline style', "\033[31msome text with inline style\033[39m"],
+            ['<href=idea://open/?file=/path/SomeFile.php&line=12>some URL</>', 'some URL', "\033]8;;idea://open/?file=/path/SomeFile.php&line=12\033\\some URL\033]8;;\033\\"],
+            ['<href=idea://open/?file=/path/SomeFile.php&line=12>some URL</>', 'some URL', 'some URL', 'JetBrains-JediTerm'],
+        ];
     }
 
     public function testContentWithLineBreaks()

src/Symfony/Component/Debug/DebugClassLoader.php

@@ -29,17 +29,17 @@ class DebugClassLoader
 {
     private $classLoader;
     private $isFinder;
-    private $loaded = array();
+    private $loaded = [];
     private static $caseCheck;
-    private static $checkedClasses = array();
-    private static $final = array();
-    private static $finalMethods = array();
-    private static $deprecated = array();
-    private static $internal = array();
-    private static $internalMethods = array();
-    private static $annotatedParameters = array();
-    private static $darwinCache = array('/' => array('/', array()));
-    private static $method = array();
+    private static $checkedClasses = [];
+    private static $final = [];
+    private static $finalMethods = [];
+    private static $deprecated = [];
+    private static $internal = [];
+    private static $internalMethods = [];
+    private static $annotatedParameters = [];
+    private static $darwinCache = ['/' => ['/', []]];
+    private static $method = [];
 
     public function __construct(callable $classLoader)
     {
@@ -99,7 +99,7 @@ class DebugClassLoader
 
         foreach ($functions as $function) {
             if (!\is_array($function) || !$function[0] instanceof self) {
-                $function = array(new static($function), 'loadClass');
+                $function = [new static($function), 'loadClass'];
             }
 
             spl_autoload_register($function);
@@ -220,7 +220,7 @@ class DebugClassLoader
 
     public function checkAnnotations(\ReflectionClass $refl, $class)
     {
-        $deprecations = array();
+        $deprecations = [];
 
         // Don't trigger deprecations for classes in the same vendor
         if (2 > $len = 1 + (\strpos($class, '\\') ?: \strpos($class, '_'))) {
@@ -232,7 +232,7 @@ class DebugClassLoader
 
         // Detect annotations on the class
         if (false !== $doc = $refl->getDocComment()) {
-            foreach (array('final', 'deprecated', 'internal') as $annotation) {
+            foreach (['final', 'deprecated', 'internal'] as $annotation) {
                 if (false !== \strpos($doc, $annotation) && preg_match('#\n \* @'.$annotation.'(?:( .+?)\.?)?\r?\n \*(?: @|/$)#s', $doc, $notice)) {
                     self::${$annotation}[$class] = isset($notice[1]) ? preg_replace('#\s*\r?\n \* +#', ' ', $notice[1]) : '';
                 }
@@ -252,7 +252,7 @@ class DebugClassLoader
                             $description .= '.';
                         }
                     }
-                    self::$method[$class][] = array($class, $name, $static, $description);
+                    self::$method[$class][] = [$class, $name, $static, $description];
                 }
             }
         }
@@ -314,11 +314,11 @@ class DebugClassLoader
         }
 
         // Inherit @final, @internal and @param annotations for methods
-        self::$finalMethods[$class] = array();
-        self::$internalMethods[$class] = array();
-        self::$annotatedParameters[$class] = array();
+        self::$finalMethods[$class] = [];
+        self::$internalMethods[$class] = [];
+        self::$annotatedParameters[$class] = [];
         foreach ($parentAndOwnInterfaces as $use) {
-            foreach (array('finalMethods', 'internalMethods', 'annotatedParameters') as $property) {
+            foreach (['finalMethods', 'internalMethods', 'annotatedParameters'] as $property) {
                 if (isset(self::${$property}[$use])) {
                     self::${$property}[$class] = self::${$property}[$class] ? self::${$property}[$use] + self::${$property}[$class] : self::${$property}[$use];
                 }
@@ -346,7 +346,7 @@ class DebugClassLoader
             $doc = $method->getDocComment();
 
             if (isset(self::$annotatedParameters[$class][$method->name])) {
-                $definedParameters = array();
+                $definedParameters = [];
                 foreach ($method->getParameters() as $parameter) {
                     $definedParameters[$parameter->name] = true;
                 }
@@ -364,10 +364,10 @@ class DebugClassLoader
 
             $finalOrInternal = false;
 
-            foreach (array('final', 'internal') as $annotation) {
+            foreach (['final', 'internal'] as $annotation) {
                 if (false !== \strpos($doc, $annotation) && preg_match('#\n\s+\* @'.$annotation.'(?:( .+?)\.?)?\r?\n\s+\*(?: @|/$)#s', $doc, $notice)) {
                     $message = isset($notice[1]) ? preg_replace('#\s*\r?\n \* +#', ' ', $notice[1]) : '';
-                    self::${$annotation.'Methods'}[$class][$method->name] = array($class, $message);
+                    self::${$annotation.'Methods'}[$class][$method->name] = [$class, $message];
                     $finalOrInternal = true;
                 }
             }
@@ -379,7 +379,7 @@ class DebugClassLoader
                 continue;
             }
             if (!isset(self::$annotatedParameters[$class][$method->name])) {
-                $definedParameters = array();
+                $definedParameters = [];
                 foreach ($method->getParameters() as $parameter) {
                     $definedParameters[$parameter->name] = true;
                 }
@@ -425,7 +425,7 @@ class DebugClassLoader
         if (0 === substr_compare($real, $tail, -$tailLen, $tailLen, true)
             && 0 !== substr_compare($real, $tail, -$tailLen, $tailLen, false)
         ) {
-            return array(substr($tail, -$tailLen + 1), substr($real, -$tailLen + 1), substr($real, 0, -$tailLen + 1));
+            return [substr($tail, -$tailLen + 1), substr($real, -$tailLen + 1), substr($real, 0, -$tailLen + 1)];
         }
     }
 
@@ -455,7 +455,7 @@ class DebugClassLoader
                 $k = $kDir;
                 $i = \strlen($dir) - 1;
                 while (!isset(self::$darwinCache[$k])) {
-                    self::$darwinCache[$k] = array($dir, array());
+                    self::$darwinCache[$k] = [$dir, []];
                     self::$darwinCache[$dir] = &self::$darwinCache[$k];
 
                     while ('/' !== $dir[--$i]) {

src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php

@@ -62,7 +62,7 @@ class PhpDumper extends Dumper
     private $variableCount;
     private $inlinedDefinitions;
     private $serviceCalls;
-    private $reservedVariables = array('instance', 'class', 'this');
+    private $reservedVariables = ['instance', 'class', 'this'];
     private $expressionLanguage;
     private $targetDirRegex;
     private $targetDirMaxMatches;
@@ -73,14 +73,14 @@ class PhpDumper extends Dumper
     private $asFiles;
     private $hotPathTag;
     private $inlineRequires;
-    private $inlinedRequires = array();
-    private $circularReferences = array();
-    private $singleUsePrivateIds = array();
+    private $inlinedRequires = [];
+    private $circularReferences = [];
+    private $singleUsePrivateIds = [];
     private $addThrow = false;
     private $addGetService = false;
-    private $locatedIds = array();
+    private $locatedIds = [];
     private $serviceLocatorTag;
-    private $exportedVariables = array();
+    private $exportedVariables = [];
 
     /**
      * @var ProxyDumper
@@ -121,13 +121,13 @@ class PhpDumper extends Dumper
      *
      * @throws EnvParameterException When an env var exists but has not been dumped
      */
-    public function dump(array $options = array())
+    public function dump(array $options = [])
     {
-        $this->locatedIds = array();
+        $this->locatedIds = [];
         $this->targetDirRegex = null;
-        $this->inlinedRequires = array();
-        $this->exportedVariables = array();
-        $options = array_merge(array(
+        $this->inlinedRequires = [];
+        $this->exportedVariables = [];
+        $options = array_merge([
             'class' => 'ProjectServiceContainer',
             'base_class' => 'Container',
             'namespace' => '',
@@ -137,7 +137,7 @@ class PhpDumper extends Dumper
             'inline_class_loader_parameter' => 'container.dumper.inline_class_loader',
             'service_locator_tag' => 'container.service_locator',
             'build_time' => time(),
-        ), $options);
+        ], $options);
 
         $this->addThrow = $this->addGetService = false;
         $this->namespace = $options['namespace'];
@@ -171,9 +171,9 @@ class PhpDumper extends Dumper
         }
 
         (new AnalyzeServiceReferencesPass(false, !$this->getProxyDumper() instanceof NullDumper))->process($this->container);
-        $checkedNodes = array();
-        $this->circularReferences = array();
-        $this->singleUsePrivateIds = array();
+        $checkedNodes = [];
+        $this->circularReferences = [];
+        $this->singleUsePrivateIds = [];
         foreach ($this->container->getCompiler()->getServiceReferenceGraph()->getNodes() as $id => $node) {
             if (!$node->getValue() instanceof Definition) {
                 continue;
@@ -186,7 +186,7 @@ class PhpDumper extends Dumper
             }
         }
         $this->container->getCompiler()->getServiceReferenceGraph()->clear();
-        $checkedNodes = array();
+        $checkedNodes = [];
 
         $this->docStar = $options['debug'] ? '*' : '';
 
@@ -240,7 +240,7 @@ use Symfony\Component\DependencyInjection\Exception\RuntimeException;
 // This file has been auto-generated by the Symfony Dependency Injection Component for internal use.
 
 EOF;
-            $files = array();
+            $files = [];
 
             $ids = $this->container->getRemovedIds();
             foreach ($this->container->getDefinitions() as $id => $definition) {
@@ -265,7 +265,7 @@ EOF;
             }
             $files[$options['class'].'.php'] = $code.$this->endClass();
             $hash = ucfirst(strtr(ContainerBuilder::hash($files), '._', 'xx'));
-            $code = array();
+            $code = [];
 
             foreach ($files as $file => $c) {
                 $code["Container{$hash}/{$file}"] = $c;
@@ -308,12 +308,12 @@ EOF;
         }
 
         $this->targetDirRegex = null;
-        $this->inlinedRequires = array();
-        $this->circularReferences = array();
-        $this->locatedIds = array();
-        $this->exportedVariables = array();
+        $this->inlinedRequires = [];
+        $this->circularReferences = [];
+        $this->locatedIds = [];
+        $this->exportedVariables = [];
 
-        $unusedEnvs = array();
+        $unusedEnvs = [];
         foreach ($this->container->getEnvCounters() as $env => $use) {
             if (!$use) {
                 $unusedEnvs[] = $env;
@@ -338,7 +338,7 @@ EOF;
         return $this->proxyDumper;
     }
 
-    private function analyzeCircularReferences($sourceId, array $edges, &$checkedNodes, &$currentPath = array())
+    private function analyzeCircularReferences($sourceId, array $edges, &$checkedNodes, &$currentPath = [])
     {
         $checkedNodes[$sourceId] = true;
         $currentPath[$sourceId] = $sourceId;
@@ -367,7 +367,7 @@ EOF;
         unset($currentPath[$sourceId]);
     }
 
-    private function connectCircularReferences($sourceId, &$currentPath, &$subPath = array())
+    private function connectCircularReferences($sourceId, &$currentPath, &$subPath = [])
     {
         $subPath[$sourceId] = $sourceId;
         $currentPath[$sourceId] = $sourceId;
@@ -423,7 +423,7 @@ EOF;
 
     private function generateProxyClasses()
     {
-        $alreadyGenerated = array();
+        $alreadyGenerated = [];
         $definitions = $this->container->getDefinitions();
         $strip = '' === $this->docStar && method_exists('Symfony\Component\HttpKernel\Kernel', 'stripComments');
         $proxyDumper = $this->getProxyDumper();
@@ -454,7 +454,7 @@ EOF;
         $code = '';
 
         if ($this->inlineRequires && !$this->isHotPath($definition)) {
-            $lineage = array();
+            $lineage = [];
             foreach ($this->inlinedDefinitions as $def) {
                 if (!$def->isDeprecated() && \is_string($class = \is_array($factory = $def->getFactory()) && \is_string($factory[0]) ? $factory[0] : $def->getClass())) {
                     $this->collectLineage($class, $lineage);
@@ -566,7 +566,7 @@ EOF;
     {
         $calls = '';
         foreach ($definition->getMethodCalls() as $call) {
-            $arguments = array();
+            $arguments = [];
             foreach ($call[1] as $value) {
                 $arguments[] = $this->dumpValue($value);
             }
@@ -619,11 +619,11 @@ EOF;
     private function addService(string $id, Definition $definition): array
     {
         $this->definitionVariables = new \SplObjectStorage();
-        $this->referenceVariables = array();
+        $this->referenceVariables = [];
         $this->variableCount = 0;
         $this->referenceVariables[$id] = new Variable('instance');
 
-        $return = array();
+        $return = [];
 
         if ($class = $definition->getClass()) {
             $class = $class instanceof Parameter ? '%'.$class.'%' : $this->container->resolveEnvPlaceholders($class);
@@ -680,8 +680,8 @@ EOF;
 EOF;
         }
 
-        $this->serviceCalls = array();
-        $this->inlinedDefinitions = $this->getDefinitionsFromArguments(array($definition), null, $this->serviceCalls);
+        $this->serviceCalls = [];
+        $this->inlinedDefinitions = $this->getDefinitionsFromArguments([$definition], null, $this->serviceCalls);
 
         $code .= $this->addServiceInclude($id, $definition);
 
@@ -705,7 +705,7 @@ EOF;
         $this->definitionVariables = $this->inlinedDefinitions = null;
         $this->referenceVariables = $this->serviceCalls = null;
 
-        return array($file, $code);
+        return [$file, $code];
     }
 
     private function addInlineVariables(string $id, Definition $definition, array $arguments, bool $forConstructor): string
@@ -782,11 +782,11 @@ EOTXT
             return '';
         }
 
-        $arguments = array($inlineDef->getArguments(), $inlineDef->getFactory());
+        $arguments = [$inlineDef->getArguments(), $inlineDef->getFactory()];
 
         $code = $this->addInlineVariables($id, $definition, $arguments, $forConstructor);
 
-        if ($arguments = array_filter(array($inlineDef->getProperties(), $inlineDef->getMethodCalls(), $inlineDef->getConfigurator()))) {
+        if ($arguments = array_filter([$inlineDef->getProperties(), $inlineDef->getMethodCalls(), $inlineDef->getConfigurator()])) {
             $isSimpleInstance = false;
         } elseif ($definition !== $inlineDef && 2 > $this->inlinedDefinitions[$inlineDef]) {
             return $code;
@@ -855,9 +855,9 @@ EOTXT
                 if (!$definition->isShared()) {
                     $i = strpos($code, "\n\ninclude_once ");
                     if (false !== $i && false !== $i = strpos($code, "\n\n", 2 + $i)) {
-                        $code = array(substr($code, 0, 2 + $i), substr($code, 2 + $i));
+                        $code = [substr($code, 0, 2 + $i), substr($code, 2 + $i)];
                     } else {
-                        $code = array("\n", $code);
+                        $code = ["\n", $code];
                     }
                     $code[1] = implode("\n", array_map(function ($line) { return $line ? '    '.$line : $line; }, explode("\n", $code[1])));
                     $factory = sprintf('$this->factories%s[\'%s\']', $definition->isPublic() ? '' : "['service_container']", $id);
@@ -875,7 +875,7 @@ EOTXT
         $tail = $return ? ";\n" : '';
 
         if (BaseServiceLocator::class === $definition->getClass() && $definition->hasTag($this->serviceLocatorTag)) {
-            $arguments = array();
+            $arguments = [];
             foreach ($definition->getArgument(0) as $k => $argument) {
                 $arguments[$k] = $argument->getValues()[0];
             }
@@ -883,7 +883,7 @@ EOTXT
             return $return.$this->dumpValue(new ServiceLocatorArgument($arguments)).$tail;
         }
 
-        $arguments = array();
+        $arguments = [];
         foreach ($definition->getArguments() as $value) {
             $arguments[] = $this->dumpValue($value);
         }
@@ -1157,11 +1157,11 @@ EOF;
             return '';
         }
 
-        $lineage = array();
+        $lineage = [];
 
         foreach ($this->container->findTaggedServiceIds($this->hotPathTag) as $id => $tags) {
             $definition = $this->container->getDefinition($id);
-            $inlinedDefinitions = $this->getDefinitionsFromArguments(array($definition));
+            $inlinedDefinitions = $this->getDefinitionsFromArguments([$definition]);
 
             foreach ($inlinedDefinitions as $def) {
                 if (\is_string($class = \is_array($factory = $def->getFactory()) && \is_string($factory[0]) ? $factory[0] : $def->getClass())) {
@@ -1188,14 +1188,14 @@ EOF;
             return '';
         }
 
-        $php = array();
-        $dynamicPhp = array();
+        $php = [];
+        $dynamicPhp = [];
 
         foreach ($this->container->getParameterBag()->all() as $key => $value) {
             if ($key !== $resolvedKey = $this->container->resolveEnvPlaceholders($key)) {
                 throw new InvalidArgumentException(sprintf('Parameter name cannot use env parameters: %s.', $resolvedKey));
             }
-            $export = $this->exportParameters(array($value));
+            $export = $this->exportParameters([$value]);
             $export = explode('0 => ', substr(rtrim($export, " )\n"), 7, -1), 2);
 
             if (preg_match("/\\\$this->(?:getEnv\('(?:\w++:)*+\w++'\)|targetDirs\[\d++\])/", $export[1])) {
@@ -1317,7 +1317,7 @@ EOF;
      */
     private function exportParameters(array $parameters, string $path = '', int $indent = 12): string
     {
-        $php = array();
+        $php = [];
         foreach ($parameters as $key => $value) {
             if (\is_array($value)) {
                 $value = $this->exportParameters($value, $path.'/'.$key, $indent + 4);
@@ -1375,7 +1375,7 @@ EOF;
 
     private function getServiceConditionals($value): string
     {
-        $conditions = array();
+        $conditions = [];
         foreach (ContainerBuilder::getInitializedConditionals($value) as $service) {
             if (!$this->container->hasDefinition($service)) {
                 return 'false';
@@ -1397,7 +1397,7 @@ EOF;
         return implode(' && ', $conditions);
     }
 
-    private function getDefinitionsFromArguments(array $arguments, \SplObjectStorage $definitions = null, array &$calls = array()): \SplObjectStorage
+    private function getDefinitionsFromArguments(array $arguments, \SplObjectStorage $definitions = null, array &$calls = []): \SplObjectStorage
     {
         if (null === $definitions) {
             $definitions = new \SplObjectStorage();
@@ -1410,7 +1410,7 @@ EOF;
                 $id = (string) $argument;
 
                 if (!isset($calls[$id])) {
-                    $calls[$id] = array(0, $argument->getInvalidBehavior());
+                    $calls[$id] = [0, $argument->getInvalidBehavior()];
                 } else {
                     $calls[$id][1] = min($calls[$id][1], $argument->getInvalidBehavior());
                 }
@@ -1422,7 +1422,7 @@ EOF;
                 $definitions[$argument] = 1 + $definitions[$argument];
             } else {
                 $definitions[$argument] = 1;
-                $arguments = array($argument->getArguments(), $argument->getFactory(), $argument->getProperties(), $argument->getMethodCalls(), $argument->getConfigurator());
+                $arguments = [$argument->getArguments(), $argument->getFactory(), $argument->getProperties(), $argument->getMethodCalls(), $argument->getConfigurator()];
                 $this->getDefinitionsFromArguments($arguments, $definitions, $calls);
             }
         }
@@ -1439,14 +1439,14 @@ EOF;
             if ($value && $interpolate && false !== $param = array_search($value, $this->container->getParameterBag()->all(), true)) {
                 return $this->dumpValue("%$param%");
             }
-            $code = array();
+            $code = [];
             foreach ($value as $k => $v) {
                 $code[] = sprintf('%s => %s', $this->dumpValue($k, $interpolate), $this->dumpValue($v, $interpolate));
             }
 
             return sprintf('array(%s)', implode(', ', $code));
         } elseif ($value instanceof ArgumentInterface) {
-            $scope = array($this->definitionVariables, $this->referenceVariables);
+            $scope = [$this->definitionVariables, $this->referenceVariables];
             $this->definitionVariables = $this->referenceVariables = null;
 
             try {
@@ -1465,14 +1465,14 @@ EOF;
                 }
 
                 if ($value instanceof IteratorArgument) {
-                    $operands = array(0);
-                    $code = array();
+                    $operands = [0];
+                    $code = [];
                     $code[] = 'new RewindableGenerator(function () {';
 
                     if (!$values = $value->getValues()) {
                         $code[] = '            return new \EmptyIterator();';
                     } else {
-                        $countCode = array();
+                        $countCode = [];
                         $countCode[] = 'function () {';
 
                         foreach ($values as $k => $v) {
@@ -1548,7 +1548,7 @@ EOF;
 
             return $this->getServiceCall($id, $value);
         } elseif ($value instanceof Expression) {
-            return $this->getExpressionLanguage()->compile((string) $value, array('this' => 'container'));
+            return $this->getExpressionLanguage()->compile((string) $value, ['this' => 'container']);
         } elseif ($value instanceof Parameter) {
             return $this->dumpParameter($value);
         } elseif (true === $interpolate && \is_string($value)) {
@@ -1670,8 +1670,8 @@ EOF;
      */
     private function initializeMethodNamesMap(string $class)
     {
-        $this->serviceIdToMethodNameMap = array();
-        $this->usedMethodNames = array();
+        $this->serviceIdToMethodNameMap = [];
+        $this->usedMethodNames = [];
 
         if ($reflectionClass = $this->container->getReflectionClass($class)) {
             foreach ($reflectionClass->getMethods() as $method) {
@@ -1776,7 +1776,7 @@ EOF;
         if ($node->getValue()->isPublic()) {
             return false;
         }
-        $ids = array();
+        $ids = [];
         foreach ($node->getInEdges() as $edge) {
             if (!$value = $edge->getSourceNode()->getValue()) {
                 continue;

src/Symfony/Component/DependencyInjection/EnvVarProcessor.php

@@ -31,7 +31,7 @@ class EnvVarProcessor implements EnvVarProcessorInterface
      */
     public static function getProvidedTypes()
     {
-        return array(
+        return [
             'base64' => 'string',
             'bool' => 'bool',
             'const' => 'bool|int|float|string|array',
@@ -45,7 +45,7 @@ class EnvVarProcessor implements EnvVarProcessorInterface
             'default' => 'bool|int|float|string|array',
             'string' => 'string',
             'trim' => 'string',
-        );
+        ];
     }
 
     /**

src/Symfony/Component/DependencyInjection/Tests/Compiler/AutowirePassTest.php

@@ -902,7 +902,7 @@ class AutowirePassTest extends TestCase
 
         (new AutowirePass())->process($container);
 
-        $this->assertSame(array('Cannot autowire service "some_locator": it has type "Symfony\Component\DependencyInjection\Tests\Compiler\MissingClass" but this class was not found.'), $container->getDefinition('.errored.some_locator.'.MissingClass::class)->getErrors());
+        $this->assertSame(['Cannot autowire service "some_locator": it has type "Symfony\Component\DependencyInjection\Tests\Compiler\MissingClass" but this class was not found.'], $container->getDefinition('.errored.some_locator.'.MissingClass::class)->getErrors());
     }
 
     public function testNamedArgumentAliasResolveCollisions()

src/Symfony/Component/DependencyInjection/Tests/Compiler/RegisterEnvVarProcessorsPassTest.php

@@ -28,22 +28,22 @@ class RegisterEnvVarProcessorsPassTest extends TestCase
         $this->assertTrue($container->has('container.env_var_processors_locator'));
         $this->assertInstanceOf(SimpleProcessor::class, $container->get('container.env_var_processors_locator')->get('foo'));
 
-        $expected = array(
-            'foo' => array('string'),
-            'base64' => array('string'),
-            'bool' => array('bool'),
-            'const' => array('bool', 'int', 'float', 'string', 'array'),
-            'csv' => array('array'),
-            'file' => array('string'),
-            'float' => array('float'),
-            'int' => array('int'),
-            'json' => array('array'),
-            'key' => array('bool', 'int', 'float', 'string', 'array'),
-            'resolve' => array('string'),
-            'default' => array('bool', 'int', 'float', 'string', 'array'),
-            'string' => array('string'),
-            'trim' => array('string'),
-        );
+        $expected = [
+            'foo' => ['string'],
+            'base64' => ['string'],
+            'bool' => ['bool'],
+            'const' => ['bool', 'int', 'float', 'string', 'array'],
+            'csv' => ['array'],
+            'file' => ['string'],
+            'float' => ['float'],
+            'int' => ['int'],
+            'json' => ['array'],
+            'key' => ['bool', 'int', 'float', 'string', 'array'],
+            'resolve' => ['string'],
+            'default' => ['bool', 'int', 'float', 'string', 'array'],
+            'string' => ['string'],
+            'trim' => ['string'],
+        ];
 
         $this->assertSame($expected, $container->getParameterBag()->getProvidedTypes());
     }
@@ -79,7 +79,7 @@ class SimpleProcessor implements EnvVarProcessorInterface
 
     public static function getProvidedTypes()
     {
-        return array('foo' => 'string');
+        return ['foo' => 'string'];
     }
 }
 
@@ -87,6 +87,6 @@ class BadProcessor extends SimpleProcessor
 {
     public static function getProvidedTypes()
     {
-        return array('foo' => 'string|foo');
+        return ['foo' => 'string|foo'];
     }
 }

src/Symfony/Component/DependencyInjection/Tests/Compiler/ValidateEnvPlaceholdersPassTest.php

@@ -221,9 +221,9 @@ class ValidateEnvPlaceholdersPassTest extends TestCase
     {
         $container = new ContainerBuilder();
         $container->registerExtension($ext = new EnvExtension());
-        $container->prependExtensionConfig('env_extension', $expected = array(
+        $container->prependExtensionConfig('env_extension', $expected = [
             'scalar_node_not_empty_validated' => '%env(SOME)%',
-        ));
+        ]);
 
         $this->doProcess($container);
 
@@ -234,9 +234,9 @@ class ValidateEnvPlaceholdersPassTest extends TestCase
     {
         $container = new ContainerBuilder();
         $container->registerExtension($ext = new EnvExtension());
-        $container->prependExtensionConfig('env_extension', $expected = array(
+        $container->prependExtensionConfig('env_extension', $expected = [
             'scalar_node_not_empty_validated' => 'foo %env(SOME)% bar',
-        ));
+        ]);
 
         $this->doProcess($container);
 

src/Symfony/Component/DependencyInjection/Tests/Dumper/PhpDumperTest.php

@@ -453,7 +453,7 @@ class PhpDumperTest extends TestCase
         $dumper = new PhpDumper($container);
         $dumper->dump();
 
-        $this->assertStringEqualsFile(self::$fixturesPath.'/php/services_default_env.php', $dumper->dump(array('class' => 'Symfony_DI_PhpDumper_Test_DefaultParameters')));
+        $this->assertStringEqualsFile(self::$fixturesPath.'/php/services_default_env.php', $dumper->dump(['class' => 'Symfony_DI_PhpDumper_Test_DefaultParameters']));
 
         require self::$fixturesPath.'/php/services_default_env.php';
         $container = new \Symfony_DI_PhpDumper_Test_DefaultParameters();

src/Symfony/Component/DomCrawler/Tests/CrawlerTest.php

@@ -52,7 +52,7 @@ class CrawlerTest extends TestCase
         $crawler->add($this->createNodeList());
         $this->assertEquals('foo', $crawler->filterXPath('//div')->attr('class'), '->add() adds nodes from a \DOMNodeList');
 
-        $list = array();
+        $list = [];
         foreach ($this->createNodeList() as $node) {
             $list[] = $node;
         }
@@ -269,7 +269,7 @@ EOF
 
     public function testAddNodes()
     {
-        $list = array();
+        $list = [];
         foreach ($this->createNodeList() as $node) {
             $list[] = $node;
         }
@@ -314,7 +314,7 @@ EOF
             return $i.'-'.$node->text();
         });
 
-        $this->assertEquals(array('0-One', '1-Two', '2-Three'), $data, '->each() executes an anonymous function on each node of the list');
+        $this->assertEquals(['0-One', '1-Two', '2-Three'], $data, '->each() executes an anonymous function on each node of the list');
     }
 
     public function testIteration()
@@ -415,13 +415,13 @@ EOF
     {
         $crawler = $this->createTestCrawler()->filterXPath('//ul[1]/li');
 
-        $this->assertEquals(array('One', 'Two', 'Three'), $crawler->extract('_text'), '->extract() returns an array of extracted data from the node list');
-        $this->assertEquals(array(array('One', 'first'), array('Two', ''), array('Three', '')), $crawler->extract(array('_text', 'class')), '->extract() returns an array of extracted data from the node list');
-        $this->assertEquals(array(array(), array(), array()), $crawler->extract(array()), '->extract() returns empty arrays if the attribute list is empty');
+        $this->assertEquals(['One', 'Two', 'Three'], $crawler->extract('_text'), '->extract() returns an array of extracted data from the node list');
+        $this->assertEquals([['One', 'first'], ['Two', ''], ['Three', '']], $crawler->extract(['_text', 'class']), '->extract() returns an array of extracted data from the node list');
+        $this->assertEquals([[], [], []], $crawler->extract([]), '->extract() returns empty arrays if the attribute list is empty');
 
-        $this->assertEquals(array(), $this->createTestCrawler()->filterXPath('//ol')->extract('_text'), '->extract() returns an empty array if the node list is empty');
+        $this->assertEquals([], $this->createTestCrawler()->filterXPath('//ol')->extract('_text'), '->extract() returns an empty array if the node list is empty');
 
-        $this->assertEquals(array(array('One', 'li'), array('Two', 'li'), array('Three', 'li')), $crawler->extract(array('_text', '_name')), '->extract() returns an array of extracted data from the node list');
+        $this->assertEquals([['One', 'li'], ['Two', 'li'], ['Three', 'li']], $crawler->extract(['_text', '_name']), '->extract() returns an array of extracted data from the node list');
     }
 
     public function testFilterXpathComplexQueries()
@@ -855,7 +855,7 @@ HTML;
         $links = $crawler->links();
         $this->assertInstanceOf('Symfony\\Component\\DomCrawler\\Link', $links[0], '->links() returns an array of Link instances');
 
-        $this->assertEquals(array(), $this->createTestCrawler()->filterXPath('//ol')->links(), '->links() returns an empty array if the node selection is empty');
+        $this->assertEquals([], $this->createTestCrawler()->filterXPath('//ol')->links(), '->links() returns an empty array if the node selection is empty');
     }
 
     public function testImages()
@@ -867,7 +867,7 @@ HTML;
         $images = $crawler->images();
         $this->assertInstanceOf('Symfony\\Component\\DomCrawler\\Image', $images[0], '->images() returns an array of Image instances');
 
-        $this->assertEquals(array(), $this->createTestCrawler()->filterXPath('//ol')->links(), '->links() returns an empty array if the node selection is empty');
+        $this->assertEquals([], $this->createTestCrawler()->filterXPath('//ol')->links(), '->links() returns an empty array if the node selection is empty');
     }
 
     public function testForm()
@@ -880,9 +880,9 @@ HTML;
 
         $this->assertEquals($crawler->form()->getFormNode()->getAttribute('id'), $crawler2->form()->getFormNode()->getAttribute('id'), '->form() works on elements with form attribute');
 
-        $this->assertEquals(array('FooName' => 'FooBar', 'TextName' => 'TextValue', 'FooTextName' => 'FooTextValue'), $crawler->form(array('FooName' => 'FooBar'))->getValues(), '->form() takes an array of values to submit as its first argument');
-        $this->assertEquals(array('FooName' => 'FooValue', 'TextName' => 'TextValue', 'FooTextName' => 'FooTextValue'), $crawler->form()->getValues(), '->getValues() returns correct form values');
-        $this->assertEquals(array('FooBarName' => 'FooBarValue', 'TextName' => 'TextValue', 'FooTextName' => 'FooTextValue'), $crawler2->form()->getValues(), '->getValues() returns correct form values');
+        $this->assertEquals(['FooName' => 'FooBar', 'TextName' => 'TextValue', 'FooTextName' => 'FooTextValue'], $crawler->form(['FooName' => 'FooBar'])->getValues(), '->form() takes an array of values to submit as its first argument');
+        $this->assertEquals(['FooName' => 'FooValue', 'TextName' => 'TextValue', 'FooTextName' => 'FooTextValue'], $crawler->form()->getValues(), '->getValues() returns correct form values');
+        $this->assertEquals(['FooBarName' => 'FooBarValue', 'TextName' => 'TextValue', 'FooTextName' => 'FooTextValue'], $crawler2->form()->getValues(), '->getValues() returns correct form values');
 
         try {
             $this->createTestCrawler()->filterXPath('//ol')->form();
@@ -1072,13 +1072,13 @@ HTML;
 
     public function getBaseTagData()
     {
-        return array(
-            array('http://base.com', 'link', 'http://base.com/link'),
-            array('//base.com', 'link', 'https://base.com/link', 'https://domain.com', '<base> tag can use a schema-less URL'),
-            array('path/', 'link', 'https://domain.com/path/link', 'https://domain.com', '<base> tag can set a path'),
-            array('http://base.com', '#', 'http://base.com#', 'http://domain.com/path/link', '<base> tag does work with links to an anchor'),
-            array('http://base.com', '', 'http://base.com', 'http://domain.com/path/link', '<base> tag does work with empty links'),
-        );
+        return [
+            ['http://base.com', 'link', 'http://base.com/link'],
+            ['//base.com', 'link', 'https://base.com/link', 'https://domain.com', '<base> tag can use a schema-less URL'],
+            ['path/', 'link', 'https://domain.com/path/link', 'https://domain.com', '<base> tag can set a path'],
+            ['http://base.com', '#', 'http://base.com#', 'http://domain.com/path/link', '<base> tag does work with links to an anchor'],
+            ['http://base.com', '', 'http://base.com', 'http://domain.com/path/link', '<base> tag does work with empty links'],
+        ];
     }
 
     /**
@@ -1092,14 +1092,14 @@ HTML;
 
     public function getBaseTagWithFormData()
     {
-        return array(
-            array('https://base.com/', 'link/', 'https://base.com/link/', 'https://base.com/link/', '<base> tag does work with a path and relative form action'),
-            array('/basepath', '/registration', 'http://domain.com/registration', 'http://domain.com/registration', '<base> tag does work with a path and form action'),
-            array('/basepath', '', 'http://domain.com/registration', 'http://domain.com/registration', '<base> tag does work with a path and empty form action'),
-            array('http://base.com/', '/registration', 'http://base.com/registration', 'http://domain.com/registration', '<base> tag does work with a URL and form action'),
-            array('http://base.com', '', 'http://domain.com/path/form', 'http://domain.com/path/form', '<base> tag does work with a URL and an empty form action'),
-            array('http://base.com/path', '/registration', 'http://base.com/registration', 'http://domain.com/path/form', '<base> tag does work with a URL and form action'),
-        );
+        return [
+            ['https://base.com/', 'link/', 'https://base.com/link/', 'https://base.com/link/', '<base> tag does work with a path and relative form action'],
+            ['/basepath', '/registration', 'http://domain.com/registration', 'http://domain.com/registration', '<base> tag does work with a path and form action'],
+            ['/basepath', '', 'http://domain.com/registration', 'http://domain.com/registration', '<base> tag does work with a path and empty form action'],
+            ['http://base.com/', '/registration', 'http://base.com/registration', 'http://domain.com/registration', '<base> tag does work with a URL and form action'],
+            ['http://base.com', '', 'http://domain.com/path/form', 'http://domain.com/path/form', '<base> tag does work with a URL and an empty form action'],
+            ['http://base.com/path', '/registration', 'http://base.com/registration', 'http://domain.com/path/form', '<base> tag does work with a URL and form action'],
+        ];
     }
 
     public function testCountOfNestedElements()
@@ -1115,7 +1115,7 @@ HTML;
 
         $result = $crawler->filterXPath('//form/input')->evaluate('substring-before(@name, "Name")');
 
-        $this->assertSame(array('Text', 'Foo', 'Bar'), $result);
+        $this->assertSame(['Text', 'Foo', 'Bar'], $result);
     }
 
     public function testEvaluateReturnsTypedResultOfNamespacedXPathExpressionOnADocumentSubset()
@@ -1124,7 +1124,7 @@ HTML;
 
         $result = $crawler->filterXPath('//yt:accessControl/@action')->evaluate('string(.)');
 
-        $this->assertSame(array('comment', 'videoRespond'), $result);
+        $this->assertSame(['comment', 'videoRespond'], $result);
     }
 
     public function testEvaluateReturnsTypedResultOfNamespacedXPathExpression()
@@ -1134,7 +1134,7 @@ HTML;
 
         $result = $crawler->evaluate('string(//youtube:accessControl/@action)');
 
-        $this->assertSame(array('comment'), $result);
+        $this->assertSame(['comment'], $result);
     }
 
     public function testEvaluateReturnsACrawlerIfXPathExpressionEvaluatesToANode()

src/Symfony/Component/Dotenv/Tests/DotenvTest.php

@@ -34,24 +34,24 @@ class DotenvTest extends TestCase
 
     public function getEnvDataWithFormatErrors()
     {
-        $tests = array(
-            array('FOO=BAR BAZ', "A value containing spaces must be surrounded by quotes in \".env\" at line 1.\n...FOO=BAR BAZ...\n             ^ line 1 offset 11"),
-            array('FOO BAR=BAR', "Whitespace are not supported after the variable name in \".env\" at line 1.\n...FOO BAR=BAR...\n     ^ line 1 offset 3"),
-            array('FOO', "Missing = in the environment variable declaration in \".env\" at line 1.\n...FOO...\n     ^ line 1 offset 3"),
-            array('FOO="foo', "Missing quote to end the value in \".env\" at line 1.\n...FOO=\"foo...\n          ^ line 1 offset 8"),
-            array('FOO=\'foo', "Missing quote to end the value in \".env\" at line 1.\n...FOO='foo...\n          ^ line 1 offset 8"),
-            array('FOO=\'foo'."\n", "Missing quote to end the value in \".env\" at line 1.\n...FOO='foo\\n...\n          ^ line 1 offset 8"),
-            array('export FOO', "Unable to unset an environment variable in \".env\" at line 1.\n...export FOO...\n            ^ line 1 offset 10"),
-            array('FOO=${FOO', "Unclosed braces on variable expansion in \".env\" at line 1.\n...FOO=\${FOO...\n           ^ line 1 offset 9"),
-            array('FOO= BAR', "Whitespace are not supported before the value in \".env\" at line 1.\n...FOO= BAR...\n      ^ line 1 offset 4"),
-            array('Стасян', "Invalid character in variable name in \".env\" at line 1.\n...Стасян...\n  ^ line 1 offset 0"),
-            array('FOO!', "Missing = in the environment variable declaration in \".env\" at line 1.\n...FOO!...\n     ^ line 1 offset 3"),
-            array('FOO=$(echo foo', "Missing closing parenthesis. in \".env\" at line 1.\n...FOO=$(echo foo...\n                ^ line 1 offset 14"),
-            array('FOO=$(echo foo'."\n", "Missing closing parenthesis. in \".env\" at line 1.\n...FOO=$(echo foo\\n...\n                ^ line 1 offset 14"),
-        );
+        $tests = [
+            ['FOO=BAR BAZ', "A value containing spaces must be surrounded by quotes in \".env\" at line 1.\n...FOO=BAR BAZ...\n             ^ line 1 offset 11"],
+            ['FOO BAR=BAR', "Whitespace are not supported after the variable name in \".env\" at line 1.\n...FOO BAR=BAR...\n     ^ line 1 offset 3"],
+            ['FOO', "Missing = in the environment variable declaration in \".env\" at line 1.\n...FOO...\n     ^ line 1 offset 3"],
+            ['FOO="foo', "Missing quote to end the value in \".env\" at line 1.\n...FOO=\"foo...\n          ^ line 1 offset 8"],
+            ['FOO=\'foo', "Missing quote to end the value in \".env\" at line 1.\n...FOO='foo...\n          ^ line 1 offset 8"],
+            ['FOO=\'foo'."\n", "Missing quote to end the value in \".env\" at line 1.\n...FOO='foo\\n...\n          ^ line 1 offset 8"],
+            ['export FOO', "Unable to unset an environment variable in \".env\" at line 1.\n...export FOO...\n            ^ line 1 offset 10"],
+            ['FOO=${FOO', "Unclosed braces on variable expansion in \".env\" at line 1.\n...FOO=\${FOO...\n           ^ line 1 offset 9"],
+            ['FOO= BAR', "Whitespace are not supported before the value in \".env\" at line 1.\n...FOO= BAR...\n      ^ line 1 offset 4"],
+            ['Стасян', "Invalid character in variable name in \".env\" at line 1.\n...Стасян...\n  ^ line 1 offset 0"],
+            ['FOO!', "Missing = in the environment variable declaration in \".env\" at line 1.\n...FOO!...\n     ^ line 1 offset 3"],
+            ['FOO=$(echo foo', "Missing closing parenthesis. in \".env\" at line 1.\n...FOO=$(echo foo...\n                ^ line 1 offset 14"],
+            ['FOO=$(echo foo'."\n", "Missing closing parenthesis. in \".env\" at line 1.\n...FOO=$(echo foo\\n...\n                ^ line 1 offset 14"],
+        ];
 
         if ('\\' !== \DIRECTORY_SEPARATOR) {
-            $tests[] = array('FOO=$((1dd2))', "Issue expanding a command (%s\n) in \".env\" at line 1.\n...FOO=$((1dd2))...\n               ^ line 1 offset 13");
+            $tests[] = ['FOO=$((1dd2))', "Issue expanding a command (%s\n) in \".env\" at line 1.\n...FOO=$((1dd2))...\n               ^ line 1 offset 13"];
         }
 
         return $tests;
@@ -72,105 +72,105 @@ class DotenvTest extends TestCase
         $_ENV['REMOTE'] = 'remote';
         $_SERVER['SERVERVAR'] = 'servervar';
 
-        $tests = array(
+        $tests = [
             // backslashes
-            array('FOO=foo\\\\bar', array('FOO' => 'foo\\bar')),
-            array("FOO='foo\\\\bar'", array('FOO' => 'foo\\\\bar')),
-            array('FOO="foo\\\\bar"', array('FOO' => 'foo\\bar')),
+            ['FOO=foo\\\\bar', ['FOO' => 'foo\\bar']],
+            ["FOO='foo\\\\bar'", ['FOO' => 'foo\\\\bar']],
+            ['FOO="foo\\\\bar"', ['FOO' => 'foo\\bar']],
 
             // escaped backslash in front of variable
-            array("BAR=bar\nFOO=foo\\\\\$BAR", array('BAR' => 'bar', 'FOO' => 'foo\\bar')),
-            array("BAR=bar\nFOO='foo\\\\\$BAR'", array('BAR' => 'bar', 'FOO' => 'foo\\\\$BAR')),
-            array("BAR=bar\nFOO=\"foo\\\\\$BAR\"", array('BAR' => 'bar', 'FOO' => 'foo\\bar')),
+            ["BAR=bar\nFOO=foo\\\\\$BAR", ['BAR' => 'bar', 'FOO' => 'foo\\bar']],
+            ["BAR=bar\nFOO='foo\\\\\$BAR'", ['BAR' => 'bar', 'FOO' => 'foo\\\\$BAR']],
+            ["BAR=bar\nFOO=\"foo\\\\\$BAR\"", ['BAR' => 'bar', 'FOO' => 'foo\\bar']],
 
-            array('FOO=foo\\\\\\$BAR', array('FOO' => 'foo\\$BAR')),
-            array('FOO=\'foo\\\\\\$BAR\'', array('FOO' => 'foo\\\\\\$BAR')),
-            array('FOO="foo\\\\\\$BAR"', array('FOO' => 'foo\\$BAR')),
+            ['FOO=foo\\\\\\$BAR', ['FOO' => 'foo\\$BAR']],
+            ['FOO=\'foo\\\\\\$BAR\'', ['FOO' => 'foo\\\\\\$BAR']],
+            ['FOO="foo\\\\\\$BAR"', ['FOO' => 'foo\\$BAR']],
 
             // spaces
-            array('FOO=bar', array('FOO' => 'bar')),
-            array(' FOO=bar ', array('FOO' => 'bar')),
-            array('FOO=', array('FOO' => '')),
-            array("FOO=\n\n\nBAR=bar", array('FOO' => '', 'BAR' => 'bar')),
-            array('FOO=  ', array('FOO' => '')),
-            array("FOO=\nBAR=bar", array('FOO' => '', 'BAR' => 'bar')),
+            ['FOO=bar', ['FOO' => 'bar']],
+            [' FOO=bar ', ['FOO' => 'bar']],
+            ['FOO=', ['FOO' => '']],
+            ["FOO=\n\n\nBAR=bar", ['FOO' => '', 'BAR' => 'bar']],
+            ['FOO=  ', ['FOO' => '']],
+            ["FOO=\nBAR=bar", ['FOO' => '', 'BAR' => 'bar']],
 
             // newlines
-            array("\n\nFOO=bar\r\n\n", array('FOO' => 'bar')),
-            array("FOO=bar\r\nBAR=foo", array('FOO' => 'bar', 'BAR' => 'foo')),
-            array("FOO=bar\rBAR=foo", array('FOO' => 'bar', 'BAR' => 'foo')),
-            array("FOO=bar\nBAR=foo", array('FOO' => 'bar', 'BAR' => 'foo')),
+            ["\n\nFOO=bar\r\n\n", ['FOO' => 'bar']],
+            ["FOO=bar\r\nBAR=foo", ['FOO' => 'bar', 'BAR' => 'foo']],
+            ["FOO=bar\rBAR=foo", ['FOO' => 'bar', 'BAR' => 'foo']],
+            ["FOO=bar\nBAR=foo", ['FOO' => 'bar', 'BAR' => 'foo']],
 
             // quotes
-            array("FOO=\"bar\"\n", array('FOO' => 'bar')),
-            array("FOO=\"bar'foo\"\n", array('FOO' => 'bar\'foo')),
-            array("FOO='bar'\n", array('FOO' => 'bar')),
-            array("FOO='bar\"foo'\n", array('FOO' => 'bar"foo')),
-            array("FOO=\"bar\\\"foo\"\n", array('FOO' => 'bar"foo')),
-            array('FOO="bar\nfoo"', array('FOO' => "bar\nfoo")),
-            array('FOO="bar\rfoo"', array('FOO' => "bar\rfoo")),
-            array('FOO=\'bar\nfoo\'', array('FOO' => 'bar\nfoo')),
-            array('FOO=\'bar\rfoo\'', array('FOO' => 'bar\rfoo')),
-            array('FOO=" FOO "', array('FOO' => ' FOO ')),
-            array('FOO="  "', array('FOO' => '  ')),
-            array('PATH="c:\\\\"', array('PATH' => 'c:\\')),
-            array("FOO=\"bar\nfoo\"", array('FOO' => "bar\nfoo")),
-            array('FOO=BAR\\"', array('FOO' => 'BAR"')),
-            array("FOO=BAR\\'BAZ", array('FOO' => "BAR'BAZ")),
-            array('FOO=\\"BAR', array('FOO' => '"BAR')),
+            ["FOO=\"bar\"\n", ['FOO' => 'bar']],
+            ["FOO=\"bar'foo\"\n", ['FOO' => 'bar\'foo']],
+            ["FOO='bar'\n", ['FOO' => 'bar']],
+            ["FOO='bar\"foo'\n", ['FOO' => 'bar"foo']],
+            ["FOO=\"bar\\\"foo\"\n", ['FOO' => 'bar"foo']],
+            ['FOO="bar\nfoo"', ['FOO' => "bar\nfoo"]],
+            ['FOO="bar\rfoo"', ['FOO' => "bar\rfoo"]],
+            ['FOO=\'bar\nfoo\'', ['FOO' => 'bar\nfoo']],
+            ['FOO=\'bar\rfoo\'', ['FOO' => 'bar\rfoo']],
+            ['FOO=" FOO "', ['FOO' => ' FOO ']],
+            ['FOO="  "', ['FOO' => '  ']],
+            ['PATH="c:\\\\"', ['PATH' => 'c:\\']],
+            ["FOO=\"bar\nfoo\"", ['FOO' => "bar\nfoo"]],
+            ['FOO=BAR\\"', ['FOO' => 'BAR"']],
+            ["FOO=BAR\\'BAZ", ['FOO' => "BAR'BAZ"]],
+            ['FOO=\\"BAR', ['FOO' => '"BAR']],
 
             // concatenated values
-            array("FOO='bar''foo'\n", array('FOO' => 'barfoo')),
-            array("FOO='bar '' baz'", array('FOO' => 'bar  baz')),
-            array("FOO=bar\nBAR='baz'\"\$FOO\"", array('FOO' => 'bar', 'BAR' => 'bazbar')),
-            array("FOO='bar '\\'' baz'", array('FOO' => "bar ' baz")),
+            ["FOO='bar''foo'\n", ['FOO' => 'barfoo']],
+            ["FOO='bar '' baz'", ['FOO' => 'bar  baz']],
+            ["FOO=bar\nBAR='baz'\"\$FOO\"", ['FOO' => 'bar', 'BAR' => 'bazbar']],
+            ["FOO='bar '\\'' baz'", ['FOO' => "bar ' baz"]],
 
             // comments
-            array("#FOO=bar\nBAR=foo", array('BAR' => 'foo')),
-            array("#FOO=bar # Comment\nBAR=foo", array('BAR' => 'foo')),
-            array("FOO='bar foo' # Comment", array('FOO' => 'bar foo')),
-            array("FOO='bar#foo' # Comment", array('FOO' => 'bar#foo')),
-            array("# Comment\r\nFOO=bar\n# Comment\nBAR=foo", array('FOO' => 'bar', 'BAR' => 'foo')),
-            array("FOO=bar # Another comment\nBAR=foo", array('FOO' => 'bar', 'BAR' => 'foo')),
-            array("FOO=\n\n# comment\nBAR=bar", array('FOO' => '', 'BAR' => 'bar')),
-            array('FOO=NOT#COMMENT', array('FOO' => 'NOT#COMMENT')),
-            array('FOO=  # Comment', array('FOO' => '')),
+            ["#FOO=bar\nBAR=foo", ['BAR' => 'foo']],
+            ["#FOO=bar # Comment\nBAR=foo", ['BAR' => 'foo']],
+            ["FOO='bar foo' # Comment", ['FOO' => 'bar foo']],
+            ["FOO='bar#foo' # Comment", ['FOO' => 'bar#foo']],
+            ["# Comment\r\nFOO=bar\n# Comment\nBAR=foo", ['FOO' => 'bar', 'BAR' => 'foo']],
+            ["FOO=bar # Another comment\nBAR=foo", ['FOO' => 'bar', 'BAR' => 'foo']],
+            ["FOO=\n\n# comment\nBAR=bar", ['FOO' => '', 'BAR' => 'bar']],
+            ['FOO=NOT#COMMENT', ['FOO' => 'NOT#COMMENT']],
+            ['FOO=  # Comment', ['FOO' => '']],
 
             // edge cases (no conversions, only strings as values)
-            array('FOO=0', array('FOO' => '0')),
-            array('FOO=false', array('FOO' => 'false')),
-            array('FOO=null', array('FOO' => 'null')),
+            ['FOO=0', ['FOO' => '0']],
+            ['FOO=false', ['FOO' => 'false']],
+            ['FOO=null', ['FOO' => 'null']],
 
             // export
-            array('export FOO=bar', array('FOO' => 'bar')),
-            array('  export   FOO=bar', array('FOO' => 'bar')),
+            ['export FOO=bar', ['FOO' => 'bar']],
+            ['  export   FOO=bar', ['FOO' => 'bar']],
 
             // variable expansion
-            array("FOO=BAR\nBAR=\$FOO", array('FOO' => 'BAR', 'BAR' => 'BAR')),
-            array("FOO=BAR\nBAR=\"\$FOO\"", array('FOO' => 'BAR', 'BAR' => 'BAR')),
-            array("FOO=BAR\nBAR='\$FOO'", array('FOO' => 'BAR', 'BAR' => '$FOO')),
-            array("FOO_BAR9=BAR\nBAR=\$FOO_BAR9", array('FOO_BAR9' => 'BAR', 'BAR' => 'BAR')),
-            array("FOO=BAR\nBAR=\${FOO}Z", array('FOO' => 'BAR', 'BAR' => 'BARZ')),
-            array("FOO=BAR\nBAR=\$FOO}", array('FOO' => 'BAR', 'BAR' => 'BAR}')),
-            array("FOO=BAR\nBAR=\\\$FOO", array('FOO' => 'BAR', 'BAR' => '$FOO')),
-            array('FOO=" \\$ "', array('FOO' => ' $ ')),
-            array('FOO=" $ "', array('FOO' => ' $ ')),
-            array('BAR=$LOCAL', array('BAR' => 'local')),
-            array('BAR=$REMOTE', array('BAR' => 'remote')),
-            array('BAR=$SERVERVAR', array('BAR' => 'servervar')),
-            array('FOO=$NOTDEFINED', array('FOO' => '')),
-        );
+            ["FOO=BAR\nBAR=\$FOO", ['FOO' => 'BAR', 'BAR' => 'BAR']],
+            ["FOO=BAR\nBAR=\"\$FOO\"", ['FOO' => 'BAR', 'BAR' => 'BAR']],
+            ["FOO=BAR\nBAR='\$FOO'", ['FOO' => 'BAR', 'BAR' => '$FOO']],
+            ["FOO_BAR9=BAR\nBAR=\$FOO_BAR9", ['FOO_BAR9' => 'BAR', 'BAR' => 'BAR']],
+            ["FOO=BAR\nBAR=\${FOO}Z", ['FOO' => 'BAR', 'BAR' => 'BARZ']],
+            ["FOO=BAR\nBAR=\$FOO}", ['FOO' => 'BAR', 'BAR' => 'BAR}']],
+            ["FOO=BAR\nBAR=\\\$FOO", ['FOO' => 'BAR', 'BAR' => '$FOO']],
+            ['FOO=" \\$ "', ['FOO' => ' $ ']],
+            ['FOO=" $ "', ['FOO' => ' $ ']],
+            ['BAR=$LOCAL', ['BAR' => 'local']],
+            ['BAR=$REMOTE', ['BAR' => 'remote']],
+            ['BAR=$SERVERVAR', ['BAR' => 'servervar']],
+            ['FOO=$NOTDEFINED', ['FOO' => '']],
+        ];
 
         if ('\\' !== \DIRECTORY_SEPARATOR) {
-            $tests = array_merge($tests, array(
+            $tests = array_merge($tests, [
                 // command expansion
-                array('FOO=$(echo foo)', array('FOO' => 'foo')),
-                array('FOO=$((1+2))', array('FOO' => '3')),
-                array('FOO=FOO$((1+2))BAR', array('FOO' => 'FOO3BAR')),
-                array('FOO=$(echo "$(echo "$(echo "$(echo foo)")")")', array('FOO' => 'foo')),
-                array("FOO=$(echo \"Quotes won't be a problem\")", array('FOO' => 'Quotes won\'t be a problem')),
-                array("FOO=bar\nBAR=$(echo \"FOO is \$FOO\")", array('FOO' => 'bar', 'BAR' => 'FOO is bar')),
-            ));
+                ['FOO=$(echo foo)', ['FOO' => 'foo']],
+                ['FOO=$((1+2))', ['FOO' => '3']],
+                ['FOO=FOO$((1+2))BAR', ['FOO' => 'FOO3BAR']],
+                ['FOO=$(echo "$(echo "$(echo "$(echo foo)")")")', ['FOO' => 'foo']],
+                ["FOO=$(echo \"Quotes won't be a problem\")", ['FOO' => 'Quotes won\'t be a problem']],
+                ["FOO=bar\nBAR=$(echo \"FOO is \$FOO\")", ['FOO' => 'bar', 'BAR' => 'FOO is bar']],
+            ]);
         }
 
         return $tests;
@@ -319,7 +319,7 @@ class DotenvTest extends TestCase
         $originalValue = $_SERVER['argc'];
 
         $dotenv = new Dotenv();
-        $dotenv->populate(array('argc' => 'new_value'));
+        $dotenv->populate(['argc' => 'new_value']);
 
         $this->assertSame($originalValue, $_SERVER['argc']);
     }
@@ -330,7 +330,7 @@ class DotenvTest extends TestCase
         $_SERVER['TEST_ENV_VAR'] = 'original_value';
 
         $dotenv = new Dotenv();
-        $dotenv->populate(array('TEST_ENV_VAR' => 'new_value'));
+        $dotenv->populate(['TEST_ENV_VAR' => 'new_value']);
 
         $this->assertSame('original_value', getenv('TEST_ENV_VAR'));
     }
@@ -340,7 +340,7 @@ class DotenvTest extends TestCase
         $_SERVER['HTTP_TEST_ENV_VAR'] = 'http_value';
 
         $dotenv = new Dotenv();
-        $dotenv->populate(array('HTTP_TEST_ENV_VAR' => 'env_value'));
+        $dotenv->populate(['HTTP_TEST_ENV_VAR' => 'env_value']);
 
         $this->assertSame('env_value', getenv('HTTP_TEST_ENV_VAR'));
         $this->assertSame('env_value', $_ENV['HTTP_TEST_ENV_VAR']);
@@ -352,7 +352,7 @@ class DotenvTest extends TestCase
         putenv('TEST_ENV_VAR_OVERRIDEN=original_value');
 
         $dotenv = new Dotenv();
-        $dotenv->populate(array('TEST_ENV_VAR_OVERRIDEN' => 'new_value'), true);
+        $dotenv->populate(['TEST_ENV_VAR_OVERRIDEN' => 'new_value'], true);
 
         $this->assertSame('new_value', getenv('TEST_ENV_VAR_OVERRIDEN'));
         $this->assertSame('new_value', $_ENV['TEST_ENV_VAR_OVERRIDEN']);
@@ -374,7 +374,7 @@ class DotenvTest extends TestCase
         putenv('DATABASE_URL');
 
         $dotenv = new Dotenv();
-        $dotenv->populate(array('APP_DEBUG' => '1', 'DATABASE_URL' => 'mysql://root@localhost/db'));
+        $dotenv->populate(['APP_DEBUG' => '1', 'DATABASE_URL' => 'mysql://root@localhost/db']);
 
         $this->assertSame('APP_DEBUG,DATABASE_URL', getenv('SYMFONY_DOTENV_VARS'));
 
@@ -391,8 +391,8 @@ class DotenvTest extends TestCase
         putenv('DATABASE_URL');
 
         $dotenv = new Dotenv();
-        $dotenv->populate(array('APP_DEBUG' => '0', 'DATABASE_URL' => 'mysql://root@localhost/db'));
-        $dotenv->populate(array('DATABASE_URL' => 'sqlite:///somedb.sqlite'));
+        $dotenv->populate(['APP_DEBUG' => '0', 'DATABASE_URL' => 'mysql://root@localhost/db']);
+        $dotenv->populate(['DATABASE_URL' => 'sqlite:///somedb.sqlite']);
 
         $this->assertSame('APP_ENV,DATABASE_URL', getenv('SYMFONY_DOTENV_VARS'));
     }
@@ -407,7 +407,7 @@ class DotenvTest extends TestCase
         putenv('DOCUMENT_ROOT=/var/www');
 
         $dotenv = new Dotenv();
-        $dotenv->populate(array('FOO' => 'foo1', 'BAR' => 'bar1', 'BAZ' => 'baz1', 'DOCUMENT_ROOT' => '/boot'));
+        $dotenv->populate(['FOO' => 'foo1', 'BAR' => 'bar1', 'BAZ' => 'baz1', 'DOCUMENT_ROOT' => '/boot']);
 
         $this->assertSame('foo1', getenv('FOO'));
         $this->assertSame('bar1', getenv('BAR'));

src/Symfony/Component/EventDispatcher/EventDispatcher.php

@@ -28,14 +28,14 @@ namespace Symfony\Component\EventDispatcher;
  */
 class EventDispatcher implements EventDispatcherInterface
 {
-    private $listeners = array();
-    private $sorted = array();
+    private $listeners = [];
+    private $sorted = [];
     private $optimized;
 
     public function __construct()
     {
         if (__CLASS__ === \get_class($this)) {
-            $this->optimized = array();
+            $this->optimized = [];
         }
     }
 
@@ -49,7 +49,7 @@ class EventDispatcher implements EventDispatcherInterface
         }
 
         if (null !== $this->optimized && null !== $eventName) {
-            $listeners = $this->optimized[$eventName] ?? (empty($this->listeners[$eventName]) ? array() : $this->optimizeListeners($eventName));
+            $listeners = $this->optimized[$eventName] ?? (empty($this->listeners[$eventName]) ? [] : $this->optimizeListeners($eventName));
         } else {
             $listeners = $this->getListeners($eventName);
         }
@@ -68,7 +68,7 @@ class EventDispatcher implements EventDispatcherInterface
     {
         if (null !== $eventName) {
             if (empty($this->listeners[$eventName])) {
-                return array();
+                return [];
             }
 
             if (!isset($this->sorted[$eventName])) {
@@ -175,12 +175,12 @@ class EventDispatcher implements EventDispatcherInterface
     {
         foreach ($subscriber->getSubscribedEvents() as $eventName => $params) {
             if (\is_string($params)) {
-                $this->addListener($eventName, array($subscriber, $params));
+                $this->addListener($eventName, [$subscriber, $params]);
             } elseif (\is_string($params[0])) {
-                $this->addListener($eventName, array($subscriber, $params[0]), isset($params[1]) ? $params[1] : 0);
+                $this->addListener($eventName, [$subscriber, $params[0]], isset($params[1]) ? $params[1] : 0);
             } else {
                 foreach ($params as $listener) {
-                    $this->addListener($eventName, array($subscriber, $listener[0]), isset($listener[1]) ? $listener[1] : 0);
+                    $this->addListener($eventName, [$subscriber, $listener[0]], isset($listener[1]) ? $listener[1] : 0);
                 }
             }
         }
@@ -194,10 +194,10 @@ class EventDispatcher implements EventDispatcherInterface
         foreach ($subscriber->getSubscribedEvents() as $eventName => $params) {
             if (\is_array($params) && \is_array($params[0])) {
                 foreach ($params as $listener) {
-                    $this->removeListener($eventName, array($subscriber, $listener[0]));
+                    $this->removeListener($eventName, [$subscriber, $listener[0]]);
                 }
             } else {
-                $this->removeListener($eventName, array($subscriber, \is_string($params) ? $params : $params[0]));
+                $this->removeListener($eventName, [$subscriber, \is_string($params) ? $params : $params[0]]);
             }
         }
     }
@@ -228,7 +228,7 @@ class EventDispatcher implements EventDispatcherInterface
     private function sortListeners(string $eventName)
     {
         krsort($this->listeners[$eventName]);
-        $this->sorted[$eventName] = array();
+        $this->sorted[$eventName] = [];
 
         foreach ($this->listeners[$eventName] as &$listeners) {
             foreach ($listeners as $k => $listener) {
@@ -246,7 +246,7 @@ class EventDispatcher implements EventDispatcherInterface
     private function optimizeListeners(string $eventName): array
     {
         krsort($this->listeners[$eventName]);
-        $this->optimized[$eventName] = array();
+        $this->optimized[$eventName] = [];
 
         foreach ($this->listeners[$eventName] as &$listeners) {
             foreach ($listeners as &$listener) {

src/Symfony/Component/EventDispatcher/Tests/EventDispatcherTest.php

@@ -50,15 +50,15 @@ class EventDispatcherTest extends TestCase
 
     public function testInitialState()
     {
-        $this->assertEquals(array(), $this->dispatcher->getListeners());
+        $this->assertEquals([], $this->dispatcher->getListeners());
         $this->assertFalse($this->dispatcher->hasListeners(self::preFoo));
         $this->assertFalse($this->dispatcher->hasListeners(self::postFoo));
     }
 
     public function testAddListener()
     {
-        $this->dispatcher->addListener('pre.foo', array($this->listener, 'preFoo'));
-        $this->dispatcher->addListener('post.foo', array($this->listener, 'postFoo'));
+        $this->dispatcher->addListener('pre.foo', [$this->listener, 'preFoo']);
+        $this->dispatcher->addListener('post.foo', [$this->listener, 'postFoo']);
         $this->assertTrue($this->dispatcher->hasListeners());
         $this->assertTrue($this->dispatcher->hasListeners(self::preFoo));
         $this->assertTrue($this->dispatcher->hasListeners(self::postFoo));
@@ -76,15 +76,15 @@ class EventDispatcherTest extends TestCase
         $listener2->name = '2';
         $listener3->name = '3';
 
-        $this->dispatcher->addListener('pre.foo', array($listener1, 'preFoo'), -10);
-        $this->dispatcher->addListener('pre.foo', array($listener2, 'preFoo'), 10);
-        $this->dispatcher->addListener('pre.foo', array($listener3, 'preFoo'));
+        $this->dispatcher->addListener('pre.foo', [$listener1, 'preFoo'], -10);
+        $this->dispatcher->addListener('pre.foo', [$listener2, 'preFoo'], 10);
+        $this->dispatcher->addListener('pre.foo', [$listener3, 'preFoo']);
 
-        $expected = array(
-            array($listener2, 'preFoo'),
-            array($listener3, 'preFoo'),
-            array($listener1, 'preFoo'),
-        );
+        $expected = [
+            [$listener2, 'preFoo'],
+            [$listener3, 'preFoo'],
+            [$listener1, 'preFoo'],
+        ];
 
         $this->assertSame($expected, $this->dispatcher->getListeners('pre.foo'));
     }
@@ -105,10 +105,10 @@ class EventDispatcherTest extends TestCase
         $this->dispatcher->addListener('post.foo', $listener5);
         $this->dispatcher->addListener('post.foo', $listener6, 10);
 
-        $expected = array(
-            'pre.foo' => array($listener3, $listener2, $listener1),
-            'post.foo' => array($listener6, $listener5, $listener4),
-        );
+        $expected = [
+            'pre.foo' => [$listener3, $listener2, $listener1],
+            'post.foo' => [$listener6, $listener5, $listener4],
+        ];
 
         $this->assertSame($expected, $this->dispatcher->getListeners());
     }
@@ -129,8 +129,8 @@ class EventDispatcherTest extends TestCase
 
     public function testDispatch()
     {
-        $this->dispatcher->addListener('pre.foo', array($this->listener, 'preFoo'));
-        $this->dispatcher->addListener('post.foo', array($this->listener, 'postFoo'));
+        $this->dispatcher->addListener('pre.foo', [$this->listener, 'preFoo']);
+        $this->dispatcher->addListener('post.foo', [$this->listener, 'postFoo']);
         $this->dispatcher->dispatch(self::preFoo);
         $this->assertTrue($this->listener->preFooInvoked);
         $this->assertFalse($this->listener->postFooInvoked);
@@ -160,8 +160,8 @@ class EventDispatcherTest extends TestCase
         // postFoo() stops the propagation, so only one listener should
         // be executed
         // Manually set priority to enforce $this->listener to be called first
-        $this->dispatcher->addListener('post.foo', array($this->listener, 'postFoo'), 10);
-        $this->dispatcher->addListener('post.foo', array($otherListener, 'postFoo'));
+        $this->dispatcher->addListener('post.foo', [$this->listener, 'postFoo'], 10);
+        $this->dispatcher->addListener('post.foo', [$otherListener, 'postFoo']);
         $this->dispatcher->dispatch(self::postFoo);
         $this->assertTrue($this->listener->postFooInvoked);
         $this->assertFalse($otherListener->postFooInvoked);
@@ -169,7 +169,7 @@ class EventDispatcherTest extends TestCase
 
     public function testDispatchByPriority()
     {
-        $invoked = array();
+        $invoked = [];
         $listener1 = function () use (&$invoked) {
             $invoked[] = '1';
         };
@@ -183,7 +183,7 @@ class EventDispatcherTest extends TestCase
         $this->dispatcher->addListener('pre.foo', $listener2);
         $this->dispatcher->addListener('pre.foo', $listener3, 10);
         $this->dispatcher->dispatch(self::preFoo);
-        $this->assertEquals(array('3', '2', '1'), $invoked);
+        $this->assertEquals(['3', '2', '1'], $invoked);
     }
 
     public function testRemoveListener()
@@ -261,7 +261,7 @@ class EventDispatcherTest extends TestCase
     public function testEventReceivesTheDispatcherInstanceAsArgument()
     {
         $listener = new TestWithDispatcher();
-        $this->dispatcher->addListener('test', array($listener, 'foo'));
+        $this->dispatcher->addListener('test', [$listener, 'foo']);
         $this->assertNull($listener->name);
         $this->assertNull($listener->dispatcher);
         $this->dispatcher->dispatch('test');
@@ -298,7 +298,7 @@ class EventDispatcherTest extends TestCase
         $listener = function () {};
         $this->dispatcher->addListener('foo', $listener);
         $this->dispatcher->removeListener('foo', $listener);
-        $this->assertSame(array(), $this->dispatcher->getListeners());
+        $this->assertSame([], $this->dispatcher->getListeners());
     }
 
     public function testHasListenersWithoutEventsReturnsFalseAfterHasListenersWithEventHasBeenCalled()
@@ -310,7 +310,7 @@ class EventDispatcherTest extends TestCase
     public function testHasListenersIsLazy()
     {
         $called = 0;
-        $listener = array(function () use (&$called) { ++$called; }, 'onFoo');
+        $listener = [function () use (&$called) { ++$called; }, 'onFoo'];
         $this->dispatcher->addListener('foo', $listener);
         $this->assertTrue($this->dispatcher->hasListeners());
         $this->assertTrue($this->dispatcher->hasListeners('foo'));
@@ -325,7 +325,7 @@ class EventDispatcherTest extends TestCase
 
             return new TestWithDispatcher();
         };
-        $this->dispatcher->addListener('foo', array($factory, 'foo'));
+        $this->dispatcher->addListener('foo', [$factory, 'foo']);
         $this->assertSame(0, $called);
         $this->dispatcher->dispatch('foo', new Event());
         $this->dispatcher->dispatch('foo', new Event());
@@ -337,14 +337,14 @@ class EventDispatcherTest extends TestCase
         $test = new TestWithDispatcher();
         $factory = function () use ($test) { return $test; };
 
-        $this->dispatcher->addListener('foo', array($factory, 'foo'));
+        $this->dispatcher->addListener('foo', [$factory, 'foo']);
         $this->assertTrue($this->dispatcher->hasListeners('foo'));
-        $this->dispatcher->removeListener('foo', array($test, 'foo'));
+        $this->dispatcher->removeListener('foo', [$test, 'foo']);
         $this->assertFalse($this->dispatcher->hasListeners('foo'));
 
-        $this->dispatcher->addListener('foo', array($test, 'foo'));
+        $this->dispatcher->addListener('foo', [$test, 'foo']);
         $this->assertTrue($this->dispatcher->hasListeners('foo'));
-        $this->dispatcher->removeListener('foo', array($factory, 'foo'));
+        $this->dispatcher->removeListener('foo', [$factory, 'foo']);
         $this->assertFalse($this->dispatcher->hasListeners('foo'));
     }
 
@@ -353,12 +353,12 @@ class EventDispatcherTest extends TestCase
         $test = new TestWithDispatcher();
         $factory = function () use ($test) { return $test; };
 
-        $this->dispatcher->addListener('foo', array($factory, 'foo'), 3);
-        $this->assertSame(3, $this->dispatcher->getListenerPriority('foo', array($test, 'foo')));
-        $this->dispatcher->removeListener('foo', array($factory, 'foo'));
+        $this->dispatcher->addListener('foo', [$factory, 'foo'], 3);
+        $this->assertSame(3, $this->dispatcher->getListenerPriority('foo', [$test, 'foo']));
+        $this->dispatcher->removeListener('foo', [$factory, 'foo']);
 
-        $this->dispatcher->addListener('foo', array($test, 'foo'), 5);
-        $this->assertSame(5, $this->dispatcher->getListenerPriority('foo', array($factory, 'foo')));
+        $this->dispatcher->addListener('foo', [$test, 'foo'], 5);
+        $this->assertSame(5, $this->dispatcher->getListenerPriority('foo', [$factory, 'foo']));
     }
 
     public function testGetLazyListeners()
@@ -366,31 +366,31 @@ class EventDispatcherTest extends TestCase
         $test = new TestWithDispatcher();
         $factory = function () use ($test) { return $test; };
 
-        $this->dispatcher->addListener('foo', array($factory, 'foo'), 3);
-        $this->assertSame(array(array($test, 'foo')), $this->dispatcher->getListeners('foo'));
+        $this->dispatcher->addListener('foo', [$factory, 'foo'], 3);
+        $this->assertSame([[$test, 'foo']], $this->dispatcher->getListeners('foo'));
 
-        $this->dispatcher->removeListener('foo', array($test, 'foo'));
-        $this->dispatcher->addListener('bar', array($factory, 'foo'), 3);
-        $this->assertSame(array('bar' => array(array($test, 'foo'))), $this->dispatcher->getListeners());
+        $this->dispatcher->removeListener('foo', [$test, 'foo']);
+        $this->dispatcher->addListener('bar', [$factory, 'foo'], 3);
+        $this->assertSame(['bar' => [[$test, 'foo']]], $this->dispatcher->getListeners());
     }
 
     public function testMutatingWhilePropagationIsStopped()
     {
         $testLoaded = false;
         $test = new TestEventListener();
-        $this->dispatcher->addListener('foo', array($test, 'postFoo'));
-        $this->dispatcher->addListener('foo', array(function () use ($test, &$testLoaded) {
+        $this->dispatcher->addListener('foo', [$test, 'postFoo']);
+        $this->dispatcher->addListener('foo', [function () use ($test, &$testLoaded) {
             $testLoaded = true;
 
             return $test;
-        }, 'preFoo'));
+        }, 'preFoo']);
 
         $this->dispatcher->dispatch('foo');
 
         $this->assertTrue($test->postFooInvoked);
         $this->assertFalse($test->preFooInvoked);
 
-        $this->assertsame(0, $this->dispatcher->getListenerPriority('foo', array($test, 'preFoo')));
+        $this->assertsame(0, $this->dispatcher->getListenerPriority('foo', [$test, 'preFoo']));
 
         $test->preFoo(new Event());
         $this->dispatcher->dispatch('foo');
@@ -444,7 +444,7 @@ class TestEventSubscriber implements EventSubscriberInterface
 {
     public static function getSubscribedEvents()
     {
-        return array('pre.foo' => 'preFoo', 'post.foo' => 'postFoo');
+        return ['pre.foo' => 'preFoo', 'post.foo' => 'postFoo'];
     }
 }
 
@@ -452,10 +452,10 @@ class TestEventSubscriberWithPriorities implements EventSubscriberInterface
 {
     public static function getSubscribedEvents()
     {
-        return array(
-            'pre.foo' => array('preFoo', 10),
-            'post.foo' => array('postFoo'),
-        );
+        return [
+            'pre.foo' => ['preFoo', 10],
+            'post.foo' => ['postFoo'],
+        ];
     }
 }
 
@@ -463,9 +463,9 @@ class TestEventSubscriberWithMultipleListeners implements EventSubscriberInterfa
 {
     public static function getSubscribedEvents()
     {
-        return array('pre.foo' => array(
-            array('preFoo1'),
-            array('preFoo2', 10),
-        ));
+        return ['pre.foo' => [
+            ['preFoo1'],
+            ['preFoo2', 10],
+        ]];
     }
 }

src/Symfony/Component/Form/Extension/Core/Type/BaseType.php

@@ -123,7 +123,7 @@ abstract class BaseType extends AbstractType
             'auto_initialize' => true,
         ]);
 
-        $resolver->setAllowedTypes('block_prefix', array('null', 'string'));
+        $resolver->setAllowedTypes('block_prefix', ['null', 'string']);
         $resolver->setAllowedTypes('attr', 'array');
     }
 }

src/Symfony/Component/Form/Tests/Extension/Core/DataTransformer/DateIntervalToArrayTransformerTest.php

@@ -24,7 +24,7 @@ class DateIntervalToArrayTransformerTest extends DateIntervalTestCase
     {
         $transformer = new DateIntervalToArrayTransformer();
         $input = new \DateInterval('P1Y2M3DT4H5M6S');
-        $output = array(
+        $output = [
             'years' => '1',
             'months' => '2',
             'days' => '3',
@@ -32,14 +32,14 @@ class DateIntervalToArrayTransformerTest extends DateIntervalTestCase
             'minutes' => '5',
             'seconds' => '6',
             'invert' => false,
-        );
+        ];
         $this->assertSame($output, $transformer->transform($input));
     }
 
     public function testTransformEmpty()
     {
         $transformer = new DateIntervalToArrayTransformer();
-        $output = array(
+        $output = [
             'years' => '',
             'months' => '',
             'days' => '',
@@ -47,43 +47,43 @@ class DateIntervalToArrayTransformerTest extends DateIntervalTestCase
             'minutes' => '',
             'seconds' => '',
             'invert' => false,
-        );
+        ];
         $this->assertSame($output, $transformer->transform(null));
     }
 
     public function testTransformEmptyWithFields()
     {
-        $transformer = new DateIntervalToArrayTransformer(array('years', 'weeks', 'minutes', 'seconds'));
-        $output = array(
+        $transformer = new DateIntervalToArrayTransformer(['years', 'weeks', 'minutes', 'seconds']);
+        $output = [
             'years' => '',
             'weeks' => '',
             'minutes' => '',
             'seconds' => '',
-        );
+        ];
         $this->assertSame($output, $transformer->transform(null));
     }
 
     public function testTransformWithFields()
     {
-        $transformer = new DateIntervalToArrayTransformer(array('years', 'minutes', 'seconds'));
+        $transformer = new DateIntervalToArrayTransformer(['years', 'minutes', 'seconds']);
         $input = new \DateInterval('P1Y2M3DT4H5M6S');
-        $output = array(
+        $output = [
             'years' => '1',
             'minutes' => '5',
             'seconds' => '6',
-        );
+        ];
         $this->assertSame($output, $transformer->transform($input));
     }
 
     public function testTransformWithWeek()
     {
-        $transformer = new DateIntervalToArrayTransformer(array('weeks', 'minutes', 'seconds'));
+        $transformer = new DateIntervalToArrayTransformer(['weeks', 'minutes', 'seconds']);
         $input = new \DateInterval('P1Y2M3WT4H5M6S');
-        $output = array(
+        $output = [
             'weeks' => '3',
             'minutes' => '5',
             'seconds' => '6',
-        );
+        ];
         $input = $transformer->transform($input);
         ksort($input);
         ksort($output);
@@ -92,13 +92,13 @@ class DateIntervalToArrayTransformerTest extends DateIntervalTestCase
 
     public function testTransformWithZeroWeek()
     {
-        $transformer = new DateIntervalToArrayTransformer(array('weeks', 'minutes', 'seconds'));
+        $transformer = new DateIntervalToArrayTransformer(['weeks', 'minutes', 'seconds']);
         $input = new \DateInterval('P1Y2M0WT4H5M6S');
-        $output = array(
+        $output = [
             'weeks' => '0',
             'minutes' => '5',
             'seconds' => '6',
-        );
+        ];
         $input = $transformer->transform($input);
         ksort($input);
         ksort($output);
@@ -107,13 +107,13 @@ class DateIntervalToArrayTransformerTest extends DateIntervalTestCase
 
     public function testTransformDaysToWeeks()
     {
-        $transformer = new DateIntervalToArrayTransformer(array('weeks', 'minutes', 'seconds'));
+        $transformer = new DateIntervalToArrayTransformer(['weeks', 'minutes', 'seconds']);
         $input = new \DateInterval('P1Y2M23DT4H5M6S');
-        $output = array(
+        $output = [
             'weeks' => '3',
             'minutes' => '5',
             'seconds' => '6',
-        );
+        ];
         $input = $transformer->transform($input);
         ksort($input);
         ksort($output);
@@ -122,25 +122,25 @@ class DateIntervalToArrayTransformerTest extends DateIntervalTestCase
 
     public function testTransformDaysNotOverflowingToWeeks()
     {
-        $transformer = new DateIntervalToArrayTransformer(array('days', 'minutes', 'seconds'));
+        $transformer = new DateIntervalToArrayTransformer(['days', 'minutes', 'seconds']);
         $input = new \DateInterval('P1Y2M23DT4H5M6S');
-        $output = array(
+        $output = [
             'days' => '23',
             'minutes' => '5',
             'seconds' => '6',
-        );
+        ];
         $this->assertSame($output, $transformer->transform($input));
     }
 
     public function testTransformWithInvert()
     {
-        $transformer = new DateIntervalToArrayTransformer(array('years', 'invert'));
+        $transformer = new DateIntervalToArrayTransformer(['years', 'invert']);
         $input = new \DateInterval('P1Y');
         $input->invert = 1;
-        $output = array(
+        $output = [
             'years' => '1',
             'invert' => true,
-        );
+        ];
         $this->assertSame($output, $transformer->transform($input));
     }
 
@@ -148,7 +148,7 @@ class DateIntervalToArrayTransformerTest extends DateIntervalTestCase
     {
         $transformer = new DateIntervalToArrayTransformer(null, true);
         $input = new \DateInterval('P1Y2M3DT4H5M6S');
-        $output = array(
+        $output = [
             'years' => '01',
             'months' => '02',
             'days' => '03',
@@ -156,19 +156,19 @@ class DateIntervalToArrayTransformerTest extends DateIntervalTestCase
             'minutes' => '05',
             'seconds' => '06',
             'invert' => false,
-        );
+        ];
         $this->assertSame($output, $transformer->transform($input));
     }
 
     public function testTransformWithFieldsAndPadding()
     {
-        $transformer = new DateIntervalToArrayTransformer(array('years', 'minutes', 'seconds'), true);
+        $transformer = new DateIntervalToArrayTransformer(['years', 'minutes', 'seconds'], true);
         $input = new \DateInterval('P1Y2M3DT4H5M6S');
-        $output = array(
+        $output = [
             'years' => '01',
             'minutes' => '05',
             'seconds' => '06',
-        );
+        ];
         $this->assertSame($output, $transformer->transform($input));
     }
 
@@ -183,19 +183,19 @@ class DateIntervalToArrayTransformerTest extends DateIntervalTestCase
     public function testReverseTransformWithUnsetFields()
     {
         $transformer = new DateIntervalToArrayTransformer();
-        $input = array('years' => '1');
+        $input = ['years' => '1'];
         $this->expectException(TransformationFailedException::class);
         $transformer->reverseTransform($input);
     }
 
     public function testReverseTransformWithEmptyFields()
     {
-        $transformer = new DateIntervalToArrayTransformer(array('years', 'minutes', 'seconds'));
-        $input = array(
+        $transformer = new DateIntervalToArrayTransformer(['years', 'minutes', 'seconds']);
+        $input = [
             'years' => '1',
             'minutes' => '',
             'seconds' => '6',
-        );
+        ];
         if (method_exists($this, 'expectException')) {
             $this->expectException(TransformationFailedException::class);
             $this->expectExceptionMessage('This amount of "minutes" is invalid');
@@ -207,10 +207,10 @@ class DateIntervalToArrayTransformerTest extends DateIntervalTestCase
 
     public function testReverseTransformWithWrongInvertType()
     {
-        $transformer = new DateIntervalToArrayTransformer(array('invert'));
-        $input = array(
+        $transformer = new DateIntervalToArrayTransformer(['invert']);
+        $input = [
             'invert' => '1',
-        );
+        ];
         if (method_exists($this, 'expectException')) {
             $this->expectException(TransformationFailedException::class);
             $this->expectExceptionMessage('The value of "invert" must be boolean');
@@ -223,7 +223,7 @@ class DateIntervalToArrayTransformerTest extends DateIntervalTestCase
     public function testReverseTransform()
     {
         $transformer = new DateIntervalToArrayTransformer();
-        $input = array(
+        $input = [
             'years' => '1',
             'months' => '2',
             'days' => '3',
@@ -231,7 +231,7 @@ class DateIntervalToArrayTransformerTest extends DateIntervalTestCase
             'minutes' => '5',
             'seconds' => '6',
             'invert' => false,
-        );
+        ];
         $output = new \DateInterval('P01Y02M03DT04H05M06S');
         $this->assertDateIntervalEquals($output, $transformer->reverseTransform($input));
     }
@@ -239,28 +239,28 @@ class DateIntervalToArrayTransformerTest extends DateIntervalTestCase
     public function testReverseTransformWithWeek()
     {
         $transformer = new DateIntervalToArrayTransformer(
-            array('years', 'months', 'weeks', 'hours', 'minutes', 'seconds')
+            ['years', 'months', 'weeks', 'hours', 'minutes', 'seconds']
         );
-        $input = array(
+        $input = [
             'years' => '1',
             'months' => '2',
             'weeks' => '3',
             'hours' => '4',
             'minutes' => '5',
             'seconds' => '6',
-        );
+        ];
         $output = new \DateInterval('P1Y2M21DT4H5M6S');
         $this->assertDateIntervalEquals($output, $transformer->reverseTransform($input));
     }
 
     public function testReverseTransformWithFields()
     {
-        $transformer = new DateIntervalToArrayTransformer(array('years', 'minutes', 'seconds'));
-        $input = array(
+        $transformer = new DateIntervalToArrayTransformer(['years', 'minutes', 'seconds']);
+        $input = [
             'years' => '1',
             'minutes' => '5',
             'seconds' => '6',
-        );
+        ];
         $output = new \DateInterval('P1Y0M0DT0H5M6S');
         $this->assertDateIntervalEquals($output, $transformer->reverseTransform($input));
     }
@@ -268,17 +268,17 @@ class DateIntervalToArrayTransformerTest extends DateIntervalTestCase
     public function testBothTransformsWithWeek()
     {
         $transformer = new DateIntervalToArrayTransformer(
-            array('years', 'months', 'weeks', 'hours', 'minutes', 'seconds')
+            ['years', 'months', 'weeks', 'hours', 'minutes', 'seconds']
         );
         $interval = new \DateInterval('P1Y2M21DT4H5M6S');
-        $array = array(
+        $array = [
             'years' => '1',
             'months' => '2',
             'weeks' => '3',
             'hours' => '4',
             'minutes' => '5',
             'seconds' => '6',
-        );
+        ];
         $input = $transformer->transform($interval);
         ksort($input);
         ksort($array);

src/Symfony/Component/Form/Tests/Extension/Core/Type/CollectionTypeTest.php

@@ -20,22 +20,22 @@ class CollectionTypeTest extends BaseTypeTest
 
     public function testContainsNoChildByDefault()
     {
-        $form = $this->factory->create(static::TESTED_TYPE, null, array(
+        $form = $this->factory->create(static::TESTED_TYPE, null, [
             'entry_type' => TextTypeTest::TESTED_TYPE,
-        ));
+        ]);
 
         $this->assertCount(0, $form);
     }
 
     public function testSetDataAdjustsSize()
     {
-        $form = $this->factory->create(static::TESTED_TYPE, null, array(
+        $form = $this->factory->create(static::TESTED_TYPE, null, [
             'entry_type' => TextTypeTest::TESTED_TYPE,
-            'entry_options' => array(
-                'attr' => array('maxlength' => 20),
-            ),
-        ));
-        $form->setData(array('foo@foo.com', 'foo@bar.com'));
+            'entry_options' => [
+                'attr' => ['maxlength' => 20],
+            ],
+        ]);
+        $form->setData(['foo@foo.com', 'foo@bar.com']);
 
         $this->assertInstanceOf('Symfony\Component\Form\Form', $form[0]);
         $this->assertInstanceOf('Symfony\Component\Form\Form', $form[1]);
@@ -47,7 +47,7 @@ class CollectionTypeTest extends BaseTypeTest
         $this->assertEquals(20, $formAttrs0['maxlength']);
         $this->assertEquals(20, $formAttrs1['maxlength']);
 
-        $form->setData(array('foo@baz.com'));
+        $form->setData(['foo@baz.com']);
         $this->assertInstanceOf('Symfony\Component\Form\Form', $form[0]);
         $this->assertArrayNotHasKey(1, $form);
         $this->assertCount(1, $form);
@@ -58,20 +58,20 @@ class CollectionTypeTest extends BaseTypeTest
 
     public function testThrowsExceptionIfObjectIsNotTraversable()
     {
-        $form = $this->factory->create(static::TESTED_TYPE, null, array(
+        $form = $this->factory->create(static::TESTED_TYPE, null, [
             'entry_type' => TextTypeTest::TESTED_TYPE,
-        ));
+        ]);
         $this->expectException('Symfony\Component\Form\Exception\UnexpectedTypeException');
         $form->setData(new \stdClass());
     }
 
     public function testNotResizedIfSubmittedWithMissingData()
     {
-        $form = $this->factory->create(static::TESTED_TYPE, null, array(
+        $form = $this->factory->create(static::TESTED_TYPE, null, [
             'entry_type' => TextTypeTest::TESTED_TYPE,
-        ));
-        $form->setData(array('foo@foo.com', 'bar@bar.com'));
-        $form->submit(array('foo@bar.com'));
+        ]);
+        $form->setData(['foo@foo.com', 'bar@bar.com']);
+        $form->submit(['foo@bar.com']);
 
         $this->assertTrue($form->has('0'));
         $this->assertTrue($form->has('1'));
@@ -81,106 +81,106 @@ class CollectionTypeTest extends BaseTypeTest
 
     public function testResizedDownIfSubmittedWithMissingDataAndAllowDelete()
     {
-        $form = $this->factory->create(static::TESTED_TYPE, null, array(
+        $form = $this->factory->create(static::TESTED_TYPE, null, [
             'entry_type' => TextTypeTest::TESTED_TYPE,
             'allow_delete' => true,
-        ));
-        $form->setData(array('foo@foo.com', 'bar@bar.com'));
-        $form->submit(array('foo@foo.com'));
+        ]);
+        $form->setData(['foo@foo.com', 'bar@bar.com']);
+        $form->submit(['foo@foo.com']);
 
         $this->assertTrue($form->has('0'));
         $this->assertFalse($form->has('1'));
         $this->assertEquals('foo@foo.com', $form[0]->getData());
-        $this->assertEquals(array('foo@foo.com'), $form->getData());
+        $this->assertEquals(['foo@foo.com'], $form->getData());
     }
 
     public function testResizedDownIfSubmittedWithEmptyDataAndDeleteEmpty()
     {
-        $form = $this->factory->create(static::TESTED_TYPE, null, array(
+        $form = $this->factory->create(static::TESTED_TYPE, null, [
             'entry_type' => TextTypeTest::TESTED_TYPE,
             'allow_delete' => true,
             'delete_empty' => true,
-        ));
+        ]);
 
-        $form->setData(array('foo@foo.com', 'bar@bar.com'));
-        $form->submit(array('foo@foo.com', ''));
+        $form->setData(['foo@foo.com', 'bar@bar.com']);
+        $form->submit(['foo@foo.com', '']);
 
         $this->assertTrue($form->has('0'));
         $this->assertFalse($form->has('1'));
         $this->assertEquals('foo@foo.com', $form[0]->getData());
-        $this->assertEquals(array('foo@foo.com'), $form->getData());
+        $this->assertEquals(['foo@foo.com'], $form->getData());
     }
 
     public function testResizedDownWithDeleteEmptyCallable()
     {
-        $form = $this->factory->create(static::TESTED_TYPE, null, array(
+        $form = $this->factory->create(static::TESTED_TYPE, null, [
             'entry_type' => AuthorType::class,
             'allow_delete' => true,
             'delete_empty' => function (Author $obj = null) {
                 return null === $obj || empty($obj->firstName);
             },
-        ));
+        ]);
 
-        $form->setData(array(new Author('Bob'), new Author('Alice')));
-        $form->submit(array(array('firstName' => 'Bob'), array('firstName' => '')));
+        $form->setData([new Author('Bob'), new Author('Alice')]);
+        $form->submit([['firstName' => 'Bob'], ['firstName' => '']]);
 
         $this->assertTrue($form->has('0'));
         $this->assertFalse($form->has('1'));
         $this->assertEquals(new Author('Bob'), $form[0]->getData());
-        $this->assertEquals(array(new Author('Bob')), $form->getData());
+        $this->assertEquals([new Author('Bob')], $form->getData());
     }
 
     public function testResizedDownIfSubmittedWithCompoundEmptyDataDeleteEmptyAndNoDataClass()
     {
-        $form = $this->factory->create(static::TESTED_TYPE, null, array(
+        $form = $this->factory->create(static::TESTED_TYPE, null, [
             'entry_type' => AuthorType::class,
             // If the field is not required, no new Author will be created if the
             // form is completely empty
-            'entry_options' => array('data_class' => null),
+            'entry_options' => ['data_class' => null],
             'allow_add' => true,
             'allow_delete' => true,
             'delete_empty' => function ($author) {
                 return empty($author['firstName']);
             },
-        ));
-        $form->setData(array(array('firstName' => 'first', 'lastName' => 'last')));
-        $form->submit(array(
-            array('firstName' => 's_first', 'lastName' => 's_last'),
-            array('firstName' => '', 'lastName' => ''),
-        ));
+        ]);
+        $form->setData([['firstName' => 'first', 'lastName' => 'last']]);
+        $form->submit([
+            ['firstName' => 's_first', 'lastName' => 's_last'],
+            ['firstName' => '', 'lastName' => ''],
+        ]);
         $this->assertTrue($form->has('0'));
         $this->assertFalse($form->has('1'));
-        $this->assertEquals(array('firstName' => 's_first', 'lastName' => 's_last'), $form[0]->getData());
-        $this->assertEquals(array(array('firstName' => 's_first', 'lastName' => 's_last')), $form->getData());
+        $this->assertEquals(['firstName' => 's_first', 'lastName' => 's_last'], $form[0]->getData());
+        $this->assertEquals([['firstName' => 's_first', 'lastName' => 's_last']], $form->getData());
     }
 
     public function testDontAddEmptyDataIfDeleteEmpty()
     {
-        $form = $this->factory->create(static::TESTED_TYPE, null, array(
+        $form = $this->factory->create(static::TESTED_TYPE, null, [
             'entry_type' => TextTypeTest::TESTED_TYPE,
             'allow_add' => true,
             'delete_empty' => true,
-        ));
+        ]);
 
-        $form->setData(array('foo@foo.com'));
-        $form->submit(array('foo@foo.com', ''));
+        $form->setData(['foo@foo.com']);
+        $form->submit(['foo@foo.com', '']);
 
         $this->assertTrue($form->has('0'));
         $this->assertFalse($form->has('1'));
         $this->assertEquals('foo@foo.com', $form[0]->getData());
-        $this->assertEquals(array('foo@foo.com'), $form->getData());
+        $this->assertEquals(['foo@foo.com'], $form->getData());
     }
 
     public function testNoDeleteEmptyIfDeleteNotAllowed()
     {
-        $form = $this->factory->create(static::TESTED_TYPE, null, array(
+        $form = $this->factory->create(static::TESTED_TYPE, null, [
             'entry_type' => TextTypeTest::TESTED_TYPE,
             'allow_delete' => false,
             'delete_empty' => true,
-        ));
+        ]);
 
-        $form->setData(array('foo@foo.com'));
-        $form->submit(array(''));
+        $form->setData(['foo@foo.com']);
+        $form->submit(['']);
 
         $this->assertTrue($form->has('0'));
         $this->assertEquals('', $form[0]->getData());
@@ -188,34 +188,34 @@ class CollectionTypeTest extends BaseTypeTest
 
     public function testResizedDownIfSubmittedWithCompoundEmptyDataAndDeleteEmpty()
     {
-        $form = $this->factory->create(static::TESTED_TYPE, null, array(
+        $form = $this->factory->create(static::TESTED_TYPE, null, [
             'entry_type' => 'Symfony\Component\Form\Tests\Fixtures\AuthorType',
             // If the field is not required, no new Author will be created if the
             // form is completely empty
-            'entry_options' => array('required' => false),
+            'entry_options' => ['required' => false],
             'allow_add' => true,
             'delete_empty' => true,
-        ));
+        ]);
 
-        $form->setData(array(new Author('first', 'last')));
-        $form->submit(array(
-            array('firstName' => 's_first', 'lastName' => 's_last'),
-            array('firstName' => '', 'lastName' => ''),
-        ));
+        $form->setData([new Author('first', 'last')]);
+        $form->submit([
+            ['firstName' => 's_first', 'lastName' => 's_last'],
+            ['firstName' => '', 'lastName' => ''],
+        ]);
 
         $this->assertTrue($form->has('0'));
         $this->assertFalse($form->has('1'));
         $this->assertEquals(new Author('s_first', 's_last'), $form[0]->getData());
-        $this->assertEquals(array(new Author('s_first', 's_last')), $form->getData());
+        $this->assertEquals([new Author('s_first', 's_last')], $form->getData());
     }
 
     public function testNotResizedIfSubmittedWithExtraData()
     {
-        $form = $this->factory->create(static::TESTED_TYPE, null, array(
+        $form = $this->factory->create(static::TESTED_TYPE, null, [
             'entry_type' => TextTypeTest::TESTED_TYPE,
-        ));
-        $form->setData(array('foo@bar.com'));
-        $form->submit(array('foo@foo.com', 'bar@bar.com'));
+        ]);
+        $form->setData(['foo@bar.com']);
+        $form->submit(['foo@foo.com', 'bar@bar.com']);
 
         $this->assertTrue($form->has('0'));
         $this->assertFalse($form->has('1'));
@@ -224,27 +224,27 @@ class CollectionTypeTest extends BaseTypeTest
 
     public function testResizedUpIfSubmittedWithExtraDataAndAllowAdd()
     {
-        $form = $this->factory->create(static::TESTED_TYPE, null, array(
+        $form = $this->factory->create(static::TESTED_TYPE, null, [
             'entry_type' => TextTypeTest::TESTED_TYPE,
             'allow_add' => true,
-        ));
-        $form->setData(array('foo@bar.com'));
-        $form->submit(array('foo@bar.com', 'bar@bar.com'));
+        ]);
+        $form->setData(['foo@bar.com']);
+        $form->submit(['foo@bar.com', 'bar@bar.com']);
 
         $this->assertTrue($form->has('0'));
         $this->assertTrue($form->has('1'));
         $this->assertEquals('foo@bar.com', $form[0]->getData());
         $this->assertEquals('bar@bar.com', $form[1]->getData());
-        $this->assertEquals(array('foo@bar.com', 'bar@bar.com'), $form->getData());
+        $this->assertEquals(['foo@bar.com', 'bar@bar.com'], $form->getData());
     }
 
     public function testAllowAddButNoPrototype()
     {
-        $form = $this->factory->create(static::TESTED_TYPE, null, array(
+        $form = $this->factory->create(static::TESTED_TYPE, null, [
             'entry_type' => FormTypeTest::TESTED_TYPE,
             'allow_add' => true,
             'prototype' => false,
-        ));
+        ]);
 
         $this->assertFalse($form->has('__name__'));
     }
@@ -252,11 +252,11 @@ class CollectionTypeTest extends BaseTypeTest
     public function testPrototypeMultipartPropagation()
     {
         $form = $this->factory
-            ->create(static::TESTED_TYPE, null, array(
+            ->create(static::TESTED_TYPE, null, [
                 'entry_type' => FileTypeTest::TESTED_TYPE,
                 'allow_add' => true,
                 'prototype' => true,
-            ))
+            ])
         ;
 
         $this->assertTrue($form->createView()->vars['multipart']);
@@ -264,11 +264,11 @@ class CollectionTypeTest extends BaseTypeTest
 
     public function testGetDataDoesNotContainsPrototypeNameBeforeDataAreSet()
     {
-        $form = $this->factory->create(static::TESTED_TYPE, array(), array(
+        $form = $this->factory->create(static::TESTED_TYPE, [], [
             'entry_type' => FileTypeTest::TESTED_TYPE,
             'prototype' => true,
             'allow_add' => true,
-        ));
+        ]);
 
         $data = $form->getData();
         $this->assertArrayNotHasKey('__name__', $data);
@@ -276,61 +276,61 @@ class CollectionTypeTest extends BaseTypeTest
 
     public function testGetDataDoesNotContainsPrototypeNameAfterDataAreSet()
     {
-        $form = $this->factory->create(static::TESTED_TYPE, array(), array(
+        $form = $this->factory->create(static::TESTED_TYPE, [], [
             'entry_type' => FileTypeTest::TESTED_TYPE,
             'allow_add' => true,
             'prototype' => true,
-        ));
+        ]);
 
-        $form->setData(array('foobar.png'));
+        $form->setData(['foobar.png']);
         $data = $form->getData();
         $this->assertArrayNotHasKey('__name__', $data);
     }
 
     public function testPrototypeNameOption()
     {
-        $form = $this->factory->create(static::TESTED_TYPE, null, array(
+        $form = $this->factory->create(static::TESTED_TYPE, null, [
             'entry_type' => FormTypeTest::TESTED_TYPE,
             'prototype' => true,
             'allow_add' => true,
-        ));
+        ]);
 
         $this->assertSame('__name__', $form->getConfig()->getAttribute('prototype')->getName(), '__name__ is the default');
 
-        $form = $this->factory->create(static::TESTED_TYPE, null, array(
+        $form = $this->factory->create(static::TESTED_TYPE, null, [
             'entry_type' => FormTypeTest::TESTED_TYPE,
             'prototype' => true,
             'allow_add' => true,
             'prototype_name' => '__test__',
-        ));
+        ]);
 
         $this->assertSame('__test__', $form->getConfig()->getAttribute('prototype')->getName());
     }
 
     public function testPrototypeDefaultLabel()
     {
-        $form = $this->factory->create(static::TESTED_TYPE, array(), array(
+        $form = $this->factory->create(static::TESTED_TYPE, [], [
             'entry_type' => FileTypeTest::TESTED_TYPE,
             'allow_add' => true,
             'prototype' => true,
             'prototype_name' => '__test__',
-        ));
+        ]);
 
         $this->assertSame('__test__label__', $form->createView()->vars['prototype']->vars['label']);
     }
 
     public function testPrototypeData()
     {
-        $form = $this->factory->create(static::TESTED_TYPE, array(), array(
+        $form = $this->factory->create(static::TESTED_TYPE, [], [
             'allow_add' => true,
             'prototype' => true,
             'prototype_data' => 'foo',
             'entry_type' => TextTypeTest::TESTED_TYPE,
-            'entry_options' => array(
+            'entry_options' => [
                 'data' => 'bar',
                 'label' => false,
-            ),
-        ));
+            ],
+        ]);
 
         $this->assertSame('foo', $form->createView()->vars['prototype']->vars['value']);
         $this->assertFalse($form->createView()->vars['prototype']->vars['label']);
@@ -338,25 +338,25 @@ class CollectionTypeTest extends BaseTypeTest
 
     public function testPrototypeDefaultRequired()
     {
-        $form = $this->factory->create(static::TESTED_TYPE, array(), array(
+        $form = $this->factory->create(static::TESTED_TYPE, [], [
             'entry_type' => FileTypeTest::TESTED_TYPE,
             'allow_add' => true,
             'prototype' => true,
             'prototype_name' => '__test__',
-        ));
+        ]);
 
         $this->assertTrue($form->createView()->vars['prototype']->vars['required']);
     }
 
     public function testPrototypeSetNotRequired()
     {
-        $form = $this->factory->create(static::TESTED_TYPE, array(), array(
+        $form = $this->factory->create(static::TESTED_TYPE, [], [
             'entry_type' => FileTypeTest::TESTED_TYPE,
             'allow_add' => true,
             'prototype' => true,
             'prototype_name' => '__test__',
             'required' => false,
-        ));
+        ]);
 
         $this->assertFalse($form->createView()->vars['required'], 'collection is not required');
         $this->assertFalse($form->createView()->vars['prototype']->vars['required'], '"prototype" should not be required');
@@ -364,16 +364,16 @@ class CollectionTypeTest extends BaseTypeTest
 
     public function testPrototypeSetNotRequiredIfParentNotRequired()
     {
-        $child = $this->factory->create(static::TESTED_TYPE, array(), array(
+        $child = $this->factory->create(static::TESTED_TYPE, [], [
             'entry_type' => FileTypeTest::TESTED_TYPE,
             'allow_add' => true,
             'prototype' => true,
             'prototype_name' => '__test__',
-        ));
+        ]);
 
-        $parent = $this->factory->create(FormTypeTest::TESTED_TYPE, array(), array(
+        $parent = $this->factory->create(FormTypeTest::TESTED_TYPE, [], [
             'required' => false,
-        ));
+        ]);
 
         $child->setParent($parent);
         $this->assertFalse($parent->createView()->vars['required'], 'Parent is not required');
@@ -383,19 +383,19 @@ class CollectionTypeTest extends BaseTypeTest
 
     public function testPrototypeNotOverrideRequiredByEntryOptionsInFavorOfParent()
     {
-        $child = $this->factory->create(static::TESTED_TYPE, array(), array(
+        $child = $this->factory->create(static::TESTED_TYPE, [], [
             'entry_type' => FileTypeTest::TESTED_TYPE,
             'allow_add' => true,
             'prototype' => true,
             'prototype_name' => '__test__',
-            'entry_options' => array(
+            'entry_options' => [
                 'required' => true,
-            ),
-        ));
+            ],
+        ]);
 
-        $parent = $this->factory->create(FormTypeTest::TESTED_TYPE, array(), array(
+        $parent = $this->factory->create(FormTypeTest::TESTED_TYPE, [], [
             'required' => false,
-        ));
+        ]);
 
         $child->setParent($parent);
 
@@ -406,10 +406,10 @@ class CollectionTypeTest extends BaseTypeTest
 
     public function testSubmitNull($expected = null, $norm = null, $view = null)
     {
-        parent::testSubmitNull(array(), array(), array());
+        parent::testSubmitNull([], [], []);
     }
 
-    public function testSubmitNullUsesDefaultEmptyData($emptyData = array(), $expectedData = array())
+    public function testSubmitNullUsesDefaultEmptyData($emptyData = [], $expectedData = [])
     {
         // resize form listener always set an empty array
         parent::testSubmitNullUsesDefaultEmptyData($emptyData, $expectedData);

src/Symfony/Component/Form/Tests/Extension/Core/Type/FormTypeTest.php

@@ -643,12 +643,12 @@ class FormTypeTest extends BaseTypeTest
     public function testPassBlockPrefixToViewWithParent()
     {
         $view = $this->factory->createNamedBuilder('parent', static::TESTED_TYPE)
-            ->add('child', $this->getTestedType(), array(
+            ->add('child', $this->getTestedType(), [
                 'block_prefix' => 'child',
-            ))
+            ])
             ->getForm()
             ->createView();
 
-        $this->assertSame(array('form', 'child', '_parent_child'), $view['child']->vars['block_prefixes']);
+        $this->assertSame(['form', 'child', '_parent_child'], $view['child']->vars['block_prefixes']);
     }
 }

src/Symfony/Component/HttpKernel/DataCollector/DumpDataCollector.php

@@ -114,7 +114,7 @@ class DumpDataCollector extends DataCollector implements DataDumperInterface
             } else {
                 $dumper = new CliDumper('php://output', $this->charset);
                 if (method_exists($dumper, 'setDisplayOptions')) {
-                    $dumper->setDisplayOptions(array('fileLinkFormat' => $this->fileLinkFormat));
+                    $dumper->setDisplayOptions(['fileLinkFormat' => $this->fileLinkFormat]);
                 }
             }
 
@@ -219,7 +219,7 @@ class DumpDataCollector extends DataCollector implements DataDumperInterface
             } else {
                 $dumper = new CliDumper('php://output', $this->charset);
                 if (method_exists($dumper, 'setDisplayOptions')) {
-                    $dumper->setDisplayOptions(array('fileLinkFormat' => $this->fileLinkFormat));
+                    $dumper->setDisplayOptions(['fileLinkFormat' => $this->fileLinkFormat]);
                 }
             }
 

src/Symfony/Component/HttpKernel/DataCollector/LoggerDataCollector.php

@@ -55,7 +55,7 @@ class LoggerDataCollector extends DataCollector implements LateDataCollectorInte
         if ($this->logger instanceof DebugLoggerInterface) {
             $this->logger->clear();
         }
-        $this->data = array();
+        $this->data = [];
     }
 
     /**
@@ -67,7 +67,7 @@ class LoggerDataCollector extends DataCollector implements LateDataCollectorInte
             $containerDeprecationLogs = $this->getContainerDeprecationLogs();
             $this->data = $this->computeErrorsCount($containerDeprecationLogs);
             // get compiler logs later (only when they are needed) to improve performance
-            $this->data['compiler_logs'] = array();
+            $this->data['compiler_logs'] = [];
             $this->data['compiler_logs_filepath'] = $this->containerPathPrefix.'Compiler.log';
             $this->data['logs'] = $this->sanitizeLogs(array_merge($this->logger->getLogs($this->currentRequest), $containerDeprecationLogs));
             $this->data = $this->cloneVar($this->data);
@@ -82,12 +82,12 @@ class LoggerDataCollector extends DataCollector implements LateDataCollectorInte
      */
     public function getLogs()
     {
-        return isset($this->data['logs']) ? $this->data['logs'] : array();
+        return isset($this->data['logs']) ? $this->data['logs'] : [];
     }
 
     public function getPriorities()
     {
-        return isset($this->data['priorities']) ? $this->data['priorities'] : array();
+        return isset($this->data['priorities']) ? $this->data['priorities'] : [];
     }
 
     public function countErrors()
@@ -126,13 +126,13 @@ class LoggerDataCollector extends DataCollector implements LateDataCollectorInte
     private function getContainerDeprecationLogs()
     {
         if (null === $this->containerPathPrefix || !file_exists($file = $this->containerPathPrefix.'Deprecations.log')) {
-            return array();
+            return [];
         }
 
         $bootTime = filemtime($file);
-        $logs = array();
+        $logs = [];
         foreach (unserialize(file_get_contents($file)) as $log) {
-            $log['context'] = array('exception' => new SilencedErrorContext($log['type'], $log['file'], $log['line'], $log['trace'], $log['count']));
+            $log['context'] = ['exception' => new SilencedErrorContext($log['type'], $log['file'], $log['line'], $log['trace'], $log['count'])];
             $log['timestamp'] = $bootTime;
             $log['priority'] = 100;
             $log['priorityName'] = 'DEBUG';
@@ -148,17 +148,17 @@ class LoggerDataCollector extends DataCollector implements LateDataCollectorInte
     private function getContainerCompilerLogs(?string $compilerLogsFilepath = null): array
     {
         if (!file_exists($compilerLogsFilepath)) {
-            return array();
+            return [];
         }
 
-        $logs = array();
+        $logs = [];
         foreach (file($compilerLogsFilepath, FILE_IGNORE_NEW_LINES) as $log) {
             $log = explode(': ', $log, 2);
             if (!isset($log[1]) || !preg_match('/^[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*+(?:\\\\[a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*+)++$/', $log[0])) {
-                $log = array('Unknown Compiler Pass', implode(': ', $log));
+                $log = ['Unknown Compiler Pass', implode(': ', $log)];
             }
 
-            $logs[$log[0]][] = array('message' => $log[1]);
+            $logs[$log[0]][] = ['message' => $log[1]];
         }
 
         return $logs;
@@ -166,8 +166,8 @@ class LoggerDataCollector extends DataCollector implements LateDataCollectorInte
 
     private function sanitizeLogs($logs)
     {
-        $sanitizedLogs = array();
-        $silencedLogs = array();
+        $sanitizedLogs = [];
+        $silencedLogs = [];
 
         foreach ($logs as $log) {
             if (!$this->isSilencedOrDeprecationErrorLog($log)) {
@@ -186,10 +186,10 @@ class LoggerDataCollector extends DataCollector implements LateDataCollectorInte
                 $silencedLogs[$h] = true;
 
                 if (!isset($sanitizedLogs[$message])) {
-                    $sanitizedLogs[$message] = $log + array(
+                    $sanitizedLogs[$message] = $log + [
                         'errorCount' => 0,
                         'scream' => true,
-                    );
+                    ];
                 }
                 $sanitizedLogs[$message]['errorCount'] += $exception->count;
 
@@ -201,10 +201,10 @@ class LoggerDataCollector extends DataCollector implements LateDataCollectorInte
             if (isset($sanitizedLogs[$errorId])) {
                 ++$sanitizedLogs[$errorId]['errorCount'];
             } else {
-                $log += array(
+                $log += [
                     'errorCount' => 1,
                     'scream' => false,
-                );
+                ];
 
                 $sanitizedLogs[$errorId] = $log;
             }
@@ -225,7 +225,7 @@ class LoggerDataCollector extends DataCollector implements LateDataCollectorInte
             return true;
         }
 
-        if ($exception instanceof \ErrorException && \in_array($exception->getSeverity(), array(E_DEPRECATED, E_USER_DEPRECATED), true)) {
+        if ($exception instanceof \ErrorException && \in_array($exception->getSeverity(), [E_DEPRECATED, E_USER_DEPRECATED], true)) {
             return true;
         }
 
@@ -234,23 +234,23 @@ class LoggerDataCollector extends DataCollector implements LateDataCollectorInte
 
     private function computeErrorsCount(array $containerDeprecationLogs)
     {
-        $silencedLogs = array();
-        $count = array(
+        $silencedLogs = [];
+        $count = [
             'error_count' => $this->logger->countErrors($this->currentRequest),
             'deprecation_count' => 0,
             'warning_count' => 0,
             'scream_count' => 0,
-            'priorities' => array(),
-        );
+            'priorities' => [],
+        ];
 
         foreach ($this->logger->getLogs($this->currentRequest) as $log) {
             if (isset($count['priorities'][$log['priority']])) {
                 ++$count['priorities'][$log['priority']]['count'];
             } else {
-                $count['priorities'][$log['priority']] = array(
+                $count['priorities'][$log['priority']] = [
                     'count' => 1,
                     'name' => $log['priorityName'],
-                );
+                ];
             }
             if ('WARNING' === $log['priorityName']) {
                 ++$count['warning_count'];

src/Symfony/Component/HttpKernel/EventListener/AddRequestFormatsListener.php

@@ -45,6 +45,6 @@ class AddRequestFormatsListener implements EventSubscriberInterface
      */
     public static function getSubscribedEvents()
     {
-        return array(KernelEvents::REQUEST => array('onKernelRequest', 100));
+        return [KernelEvents::REQUEST => ['onKernelRequest', 100]];
     }
 }

src/Symfony/Component/HttpKernel/EventListener/LocaleListener.php

@@ -79,13 +79,13 @@ class LocaleListener implements EventSubscriberInterface
 
     public static function getSubscribedEvents()
     {
-        return array(
-            KernelEvents::REQUEST => array(
-                array('setDefaultLocale', 100),
+        return [
+            KernelEvents::REQUEST => [
+                ['setDefaultLocale', 100],
                 // must be registered after the Router to have access to the _locale
-                array('onKernelRequest', 16),
-            ),
-            KernelEvents::FINISH_REQUEST => array(array('onKernelFinishRequest', 0)),
-        );
+                ['onKernelRequest', 16],
+            ],
+            KernelEvents::FINISH_REQUEST => [['onKernelFinishRequest', 0]],
+        ];
     }
 }

src/Symfony/Component/HttpKernel/Tests/EventListener/AddRequestFormatsListenerTest.php

@@ -30,7 +30,7 @@ class AddRequestFormatsListenerTest extends TestCase
 
     protected function setUp()
     {
-        $this->listener = new AddRequestFormatsListener(array('csv' => array('text/csv', 'text/plain')));
+        $this->listener = new AddRequestFormatsListener(['csv' => ['text/csv', 'text/plain']]);
     }
 
     protected function tearDown()
@@ -46,7 +46,7 @@ class AddRequestFormatsListenerTest extends TestCase
     public function testRegisteredEvent()
     {
         $this->assertEquals(
-            array(KernelEvents::REQUEST => array('onKernelRequest', 100)),
+            [KernelEvents::REQUEST => ['onKernelRequest', 100]],
             AddRequestFormatsListener::getSubscribedEvents()
         );
     }
@@ -58,7 +58,7 @@ class AddRequestFormatsListenerTest extends TestCase
 
         $request->expects($this->once())
             ->method('setFormat')
-            ->with('csv', array('text/csv', 'text/plain'));
+            ->with('csv', ['text/csv', 'text/plain']);
 
         $this->listener->onKernelRequest($event);
     }

src/Symfony/Component/HttpKernel/Tests/EventListener/LocaleListenerTest.php

@@ -36,10 +36,10 @@ class LocaleListenerTest extends TestCase
     public function testRegisteredEvent()
     {
         $this->assertEquals(
-            array(
-                KernelEvents::REQUEST => array(array('setDefaultLocale', 100), array('onKernelRequest', 16)),
-                KernelEvents::FINISH_REQUEST => array(array('onKernelFinishRequest', 0)),
-            ),
+            [
+                KernelEvents::REQUEST => [['setDefaultLocale', 100], ['onKernelRequest', 16]],
+                KernelEvents::FINISH_REQUEST => [['onKernelFinishRequest', 0]],
+            ],
             LocaleListener::getSubscribedEvents()
         );
     }

src/Symfony/Component/Ldap/Tests/Adapter/ExtLdap/AdapterTest.php

@@ -38,7 +38,7 @@ class AdapterTest extends LdapTestCase
         $ldap = new Adapter($this->getLdapConfig());
 
         $ldap->getConnection()->bind('cn=admin,dc=symfony,dc=com', 'symfony');
-        $query = $ldap->createQuery('dc=symfony,dc=com', '(&(objectclass=person)(ou=Maintainers))', array());
+        $query = $ldap->createQuery('dc=symfony,dc=com', '(&(objectclass=person)(ou=Maintainers))', []);
         $result = $query->execute();
 
         $this->assertInstanceOf(Collection::class, $result);
@@ -46,8 +46,8 @@ class AdapterTest extends LdapTestCase
 
         $entry = $result[0];
         $this->assertInstanceOf(Entry::class, $entry);
-        $this->assertEquals(array('Fabien Potencier'), $entry->getAttribute('cn'));
-        $this->assertEquals(array('fabpot@symfony.com', 'fabien@potencier.com'), $entry->getAttribute('mail'));
+        $this->assertEquals(['Fabien Potencier'], $entry->getAttribute('cn'));
+        $this->assertEquals(['fabpot@symfony.com', 'fabien@potencier.com'], $entry->getAttribute('mail'));
     }
 
     /**
@@ -58,14 +58,14 @@ class AdapterTest extends LdapTestCase
         $ldap = new Adapter($this->getLdapConfig());
 
         $ldap->getConnection()->bind('cn=admin,dc=symfony,dc=com', 'symfony');
-        $query = $ldap->createQuery('dc=symfony,dc=com', '(&(objectclass=person)(ou=Maintainers))', array());
+        $query = $ldap->createQuery('dc=symfony,dc=com', '(&(objectclass=person)(ou=Maintainers))', []);
         $result = $query->execute();
         $iterator = $result->getIterator();
         $iterator->rewind();
         $entry = $iterator->current();
         $this->assertInstanceOf(Entry::class, $entry);
-        $this->assertEquals(array('Fabien Potencier'), $entry->getAttribute('cn'));
-        $this->assertEquals(array('fabpot@symfony.com', 'fabien@potencier.com'), $entry->getAttribute('mail'));
+        $this->assertEquals(['Fabien Potencier'], $entry->getAttribute('cn'));
+        $this->assertEquals(['fabpot@symfony.com', 'fabien@potencier.com'], $entry->getAttribute('mail'));
     }
 
     /**
@@ -75,7 +75,7 @@ class AdapterTest extends LdapTestCase
     {
         $ldap = new Adapter($this->getLdapConfig());
         $this->expectException(NotBoundException::class);
-        $query = $ldap->createQuery('dc=symfony,dc=com', '(&(objectclass=person)(ou=Maintainers))', array());
+        $query = $ldap->createQuery('dc=symfony,dc=com', '(&(objectclass=person)(ou=Maintainers))', []);
         $query->execute();
     }
 
@@ -85,14 +85,14 @@ class AdapterTest extends LdapTestCase
 
         $ldap->getConnection()->bind('cn=admin,dc=symfony,dc=com', 'symfony');
 
-        $query = $ldap->createQuery('cn=Fabien Potencier,dc=symfony,dc=com', '(objectclass=*)', array(
+        $query = $ldap->createQuery('cn=Fabien Potencier,dc=symfony,dc=com', '(objectclass=*)', [
            'scope' => Query::SCOPE_BASE,
-        ));
+        ]);
         $result = $query->execute();
 
         $entry = $result[0];
         $this->assertEquals($result->count(), 1);
-        $this->assertEquals(array('Fabien Potencier'), $entry->getAttribute('cn'));
+        $this->assertEquals(['Fabien Potencier'], $entry->getAttribute('cn'));
     }
 
     public function testLdapQueryScopeOneLevel()
@@ -101,14 +101,14 @@ class AdapterTest extends LdapTestCase
 
         $ldap->getConnection()->bind('cn=admin,dc=symfony,dc=com', 'symfony');
 
-        $one_level_result = $ldap->createQuery('ou=Components,dc=symfony,dc=com', '(objectclass=*)', array(
+        $one_level_result = $ldap->createQuery('ou=Components,dc=symfony,dc=com', '(objectclass=*)', [
             'scope' => Query::SCOPE_ONE,
-        ))->execute();
+        ])->execute();
 
         $subtree_count = $ldap->createQuery('ou=Components,dc=symfony,dc=com', '(objectclass=*)')->execute()->count();
 
         $this->assertNotEquals($one_level_result->count(), $subtree_count);
         $this->assertEquals($one_level_result->count(), 1);
-        $this->assertEquals($one_level_result[0]->getAttribute('ou'), array('Ldap'));
+        $this->assertEquals($one_level_result[0]->getAttribute('ou'), ['Ldap']);
     }
 }

src/Symfony/Component/Routing/Generator/UrlGenerator.php

@@ -47,7 +47,7 @@ class UrlGenerator implements UrlGeneratorInterface, ConfigurableRequirementsInt
      * "?" and "#" (would be interpreted wrongly as query and fragment identifier),
      * "'" and """ (are used as delimiters in HTML).
      */
-    protected $decodedChars = array(
+    protected $decodedChars = [
         // the slash can be used to designate a hierarchical structure and we want allow using it with this meaning
         // some webservers don't allow the slash in encoded form in the path for security reasons anyway
         // see http://stackoverflow.com/questions/4069002/http-400-if-2f-part-of-get-url-in-jboss
@@ -65,7 +65,7 @@ class UrlGenerator implements UrlGeneratorInterface, ConfigurableRequirementsInt
         '%21' => '!',
         '%2A' => '*',
         '%7C' => '|',
-    );
+    ];
 
     public function __construct(RouteCollection $routes, RequestContext $context, LoggerInterface $logger = null, string $defaultLocale = null)
     {
@@ -110,7 +110,7 @@ class UrlGenerator implements UrlGeneratorInterface, ConfigurableRequirementsInt
     /**
      * {@inheritdoc}
      */
-    public function generate($name, $parameters = array(), $referenceType = self::ABSOLUTE_PATH)
+    public function generate($name, $parameters = [], $referenceType = self::ABSOLUTE_PATH)
     {
         $route = null;
         $locale = $parameters['_locale']
@@ -141,7 +141,7 @@ class UrlGenerator implements UrlGeneratorInterface, ConfigurableRequirementsInt
      * @throws InvalidParameterException           When a parameter value for a placeholder is not correct because
      *                                             it does not match the requirement
      */
-    protected function doGenerate($variables, $defaults, $requirements, $tokens, $parameters, $name, $referenceType, $hostTokens, array $requiredSchemes = array())
+    protected function doGenerate($variables, $defaults, $requirements, $tokens, $parameters, $name, $referenceType, $hostTokens, array $requiredSchemes = [])
     {
         $variables = array_flip($variables);
         $mergedParams = array_replace($defaults, $this->context->getParameters(), $parameters);
@@ -165,11 +165,11 @@ class UrlGenerator implements UrlGeneratorInterface, ConfigurableRequirementsInt
                     // check requirement
                     if (null !== $this->strictRequirements && !preg_match('#^'.$token[2].'$#'.(empty($token[4]) ? '' : 'u'), $mergedParams[$varName])) {
                         if ($this->strictRequirements) {
-                            throw new InvalidParameterException(strtr($message, array('{parameter}' => $varName, '{route}' => $name, '{expected}' => $token[2], '{given}' => $mergedParams[$varName])));
+                            throw new InvalidParameterException(strtr($message, ['{parameter}' => $varName, '{route}' => $name, '{expected}' => $token[2], '{given}' => $mergedParams[$varName]]));
                         }
 
                         if ($this->logger) {
-                            $this->logger->error($message, array('parameter' => $varName, 'route' => $name, 'expected' => $token[2], 'given' => $mergedParams[$varName]));
+                            $this->logger->error($message, ['parameter' => $varName, 'route' => $name, 'expected' => $token[2], 'given' => $mergedParams[$varName]]);
                         }
 
                         return;
@@ -195,7 +195,7 @@ class UrlGenerator implements UrlGeneratorInterface, ConfigurableRequirementsInt
         // the path segments "." and ".." are interpreted as relative reference when resolving a URI; see http://tools.ietf.org/html/rfc3986#section-3.3
         // so we need to encode them as they are not used for this purpose here
         // otherwise we would generate a URI that, when followed by a user agent (e.g. browser), does not match this route
-        $url = strtr($url, array('/../' => '/%2E%2E/', '/./' => '/%2E/'));
+        $url = strtr($url, ['/../' => '/%2E%2E/', '/./' => '/%2E/']);
         if ('/..' === substr($url, -3)) {
             $url = substr($url, 0, -2).'%2E%2E';
         } elseif ('/.' === substr($url, -2)) {
@@ -219,11 +219,11 @@ class UrlGenerator implements UrlGeneratorInterface, ConfigurableRequirementsInt
                 if ('variable' === $token[0]) {
                     if (null !== $this->strictRequirements && !preg_match('#^'.$token[2].'$#i'.(empty($token[4]) ? '' : 'u'), $mergedParams[$token[3]])) {
                         if ($this->strictRequirements) {
-                            throw new InvalidParameterException(strtr($message, array('{parameter}' => $token[3], '{route}' => $name, '{expected}' => $token[2], '{given}' => $mergedParams[$token[3]])));
+                            throw new InvalidParameterException(strtr($message, ['{parameter}' => $token[3], '{route}' => $name, '{expected}' => $token[2], '{given}' => $mergedParams[$token[3]]]));
                         }
 
                         if ($this->logger) {
-                            $this->logger->error($message, array('parameter' => $token[3], 'route' => $name, 'expected' => $token[2], 'given' => $mergedParams[$token[3]]));
+                            $this->logger->error($message, ['parameter' => $token[3], 'route' => $name, 'expected' => $token[2], 'given' => $mergedParams[$token[3]]]);
                         }
 
                         return;
@@ -277,11 +277,11 @@ class UrlGenerator implements UrlGeneratorInterface, ConfigurableRequirementsInt
         if ($extra && $query = http_build_query($extra, '', '&', PHP_QUERY_RFC3986)) {
             // "/" and "?" can be left decoded for better user experience, see
             // http://tools.ietf.org/html/rfc3986#section-3.4
-            $url .= '?'.strtr($query, array('%2F' => '/'));
+            $url .= '?'.strtr($query, ['%2F' => '/']);
         }
 
         if ('' !== $fragment) {
-            $url .= '#'.strtr(rawurlencode($fragment), array('%2F' => '/', '%3F' => '?'));
+            $url .= '#'.strtr(rawurlencode($fragment), ['%2F' => '/', '%3F' => '?']);
         }
 
         return $url;

src/Symfony/Component/Routing/RouteCompiler.php

@@ -46,10 +46,10 @@ class RouteCompiler implements RouteCompilerInterface
      */
     public static function compile(Route $route)
     {
-        $hostVariables = array();
-        $variables = array();
+        $hostVariables = [];
+        $variables = [];
         $hostRegex = null;
-        $hostTokens = array();
+        $hostTokens = [];
 
         if ('' !== $host = $route->getHost()) {
             $result = self::compilePattern($route, $host, true);
@@ -94,9 +94,9 @@ class RouteCompiler implements RouteCompilerInterface
 
     private static function compilePattern(Route $route, $pattern, $isHost)
     {
-        $tokens = array();
-        $variables = array();
-        $matches = array();
+        $tokens = [];
+        $variables = [];
+        $matches = [];
         $pos = 0;
         $defaultSeparator = $isHost ? '.' : '/';
         $useUtf8 = preg_match('//u', $pattern);
@@ -142,9 +142,9 @@ class RouteCompiler implements RouteCompilerInterface
             }
 
             if ($isSeparator && $precedingText !== $precedingChar) {
-                $tokens[] = array('text', substr($precedingText, 0, -\strlen($precedingChar)));
+                $tokens[] = ['text', substr($precedingText, 0, -\strlen($precedingChar))];
             } elseif (!$isSeparator && \strlen($precedingText) > 0) {
-                $tokens[] = array('text', $precedingText);
+                $tokens[] = ['text', $precedingText];
             }
 
             $regexp = $route->getRequirement($varName);
@@ -183,7 +183,7 @@ class RouteCompiler implements RouteCompilerInterface
                 $regexp = self::transformCapturingGroupsToNonCapturings($regexp);
             }
 
-            $tokens[] = array('variable', $isSeparator ? $precedingChar : '', $regexp, $varName);
+            $tokens[] = ['variable', $isSeparator ? $precedingChar : '', $regexp, $varName];
             if ('!' === $varName[0]) {
                 $varName = substr($varName, 1);
             }
@@ -191,7 +191,7 @@ class RouteCompiler implements RouteCompilerInterface
         }
 
         if ($pos < \strlen($pattern)) {
-            $tokens[] = array('text', substr($pattern, $pos));
+            $tokens[] = ['text', substr($pattern, $pos)];
         }
 
         // find the first optional token
@@ -224,12 +224,12 @@ class RouteCompiler implements RouteCompilerInterface
             }
         }
 
-        return array(
+        return [
             'staticPrefix' => self::determineStaticPrefix($route, $tokens),
             'regex' => $regexp,
             'tokens' => array_reverse($tokens),
             'variables' => $variables,
-        );
+        ];
     }
 
     /**

src/Symfony/Component/Routing/Tests/Generator/UrlGeneratorTest.php

@@ -23,7 +23,7 @@ class UrlGeneratorTest extends TestCase
     public function testAbsoluteUrlWithPort80()
     {
         $routes = $this->getRoutes('test', new Route('/testing'));
-        $url = $this->getGenerator($routes)->generate('test', array(), UrlGeneratorInterface::ABSOLUTE_URL);
+        $url = $this->getGenerator($routes)->generate('test', [], UrlGeneratorInterface::ABSOLUTE_URL);
 
         $this->assertEquals('http://localhost/app.php/testing', $url);
     }
@@ -31,7 +31,7 @@ class UrlGeneratorTest extends TestCase
     public function testAbsoluteSecureUrlWithPort443()
     {
         $routes = $this->getRoutes('test', new Route('/testing'));
-        $url = $this->getGenerator($routes, array('scheme' => 'https'))->generate('test', array(), UrlGeneratorInterface::ABSOLUTE_URL);
+        $url = $this->getGenerator($routes, ['scheme' => 'https'])->generate('test', [], UrlGeneratorInterface::ABSOLUTE_URL);
 
         $this->assertEquals('https://localhost/app.php/testing', $url);
     }
@@ -39,7 +39,7 @@ class UrlGeneratorTest extends TestCase
     public function testAbsoluteUrlWithNonStandardPort()
     {
         $routes = $this->getRoutes('test', new Route('/testing'));
-        $url = $this->getGenerator($routes, array('httpPort' => 8080))->generate('test', array(), UrlGeneratorInterface::ABSOLUTE_URL);
+        $url = $this->getGenerator($routes, ['httpPort' => 8080])->generate('test', [], UrlGeneratorInterface::ABSOLUTE_URL);
 
         $this->assertEquals('http://localhost:8080/app.php/testing', $url);
     }
@@ -47,7 +47,7 @@ class UrlGeneratorTest extends TestCase
     public function testAbsoluteSecureUrlWithNonStandardPort()
     {
         $routes = $this->getRoutes('test', new Route('/testing'));
-        $url = $this->getGenerator($routes, array('httpsPort' => 8080, 'scheme' => 'https'))->generate('test', array(), UrlGeneratorInterface::ABSOLUTE_URL);
+        $url = $this->getGenerator($routes, ['httpsPort' => 8080, 'scheme' => 'https'])->generate('test', [], UrlGeneratorInterface::ABSOLUTE_URL);
 
         $this->assertEquals('https://localhost:8080/app.php/testing', $url);
     }
@@ -55,7 +55,7 @@ class UrlGeneratorTest extends TestCase
     public function testRelativeUrlWithoutParameters()
     {
         $routes = $this->getRoutes('test', new Route('/testing'));
-        $url = $this->getGenerator($routes)->generate('test', array(), UrlGeneratorInterface::ABSOLUTE_PATH);
+        $url = $this->getGenerator($routes)->generate('test', [], UrlGeneratorInterface::ABSOLUTE_PATH);
 
         $this->assertEquals('/app.php/testing', $url);
     }
@@ -63,15 +63,15 @@ class UrlGeneratorTest extends TestCase
     public function testRelativeUrlWithParameter()
     {
         $routes = $this->getRoutes('test', new Route('/testing/{foo}'));
-        $url = $this->getGenerator($routes)->generate('test', array('foo' => 'bar'), UrlGeneratorInterface::ABSOLUTE_PATH);
+        $url = $this->getGenerator($routes)->generate('test', ['foo' => 'bar'], UrlGeneratorInterface::ABSOLUTE_PATH);
 
         $this->assertEquals('/app.php/testing/bar', $url);
     }
 
     public function testRelativeUrlWithNullParameter()
     {
-        $routes = $this->getRoutes('test', new Route('/testing.{format}', array('format' => null)));
-        $url = $this->getGenerator($routes)->generate('test', array(), UrlGeneratorInterface::ABSOLUTE_PATH);
+        $routes = $this->getRoutes('test', new Route('/testing.{format}', ['format' => null]));
+        $url = $this->getGenerator($routes)->generate('test', [], UrlGeneratorInterface::ABSOLUTE_PATH);
 
         $this->assertEquals('/app.php/testing', $url);
     }
@@ -81,31 +81,31 @@ class UrlGeneratorTest extends TestCase
      */
     public function testRelativeUrlWithNullParameterButNotOptional()
     {
-        $routes = $this->getRoutes('test', new Route('/testing/{foo}/bar', array('foo' => null)));
+        $routes = $this->getRoutes('test', new Route('/testing/{foo}/bar', ['foo' => null]));
         // This must raise an exception because the default requirement for "foo" is "[^/]+" which is not met with these params.
         // Generating path "/testing//bar" would be wrong as matching this route would fail.
-        $this->getGenerator($routes)->generate('test', array(), UrlGeneratorInterface::ABSOLUTE_PATH);
+        $this->getGenerator($routes)->generate('test', [], UrlGeneratorInterface::ABSOLUTE_PATH);
     }
 
     public function testRelativeUrlWithOptionalZeroParameter()
     {
         $routes = $this->getRoutes('test', new Route('/testing/{page}'));
-        $url = $this->getGenerator($routes)->generate('test', array('page' => 0), UrlGeneratorInterface::ABSOLUTE_PATH);
+        $url = $this->getGenerator($routes)->generate('test', ['page' => 0], UrlGeneratorInterface::ABSOLUTE_PATH);
 
         $this->assertEquals('/app.php/testing/0', $url);
     }
 
     public function testNotPassedOptionalParameterInBetween()
     {
-        $routes = $this->getRoutes('test', new Route('/{slug}/{page}', array('slug' => 'index', 'page' => 0)));
-        $this->assertSame('/app.php/index/1', $this->getGenerator($routes)->generate('test', array('page' => 1)));
+        $routes = $this->getRoutes('test', new Route('/{slug}/{page}', ['slug' => 'index', 'page' => 0]));
+        $this->assertSame('/app.php/index/1', $this->getGenerator($routes)->generate('test', ['page' => 1]));
         $this->assertSame('/app.php/', $this->getGenerator($routes)->generate('test'));
     }
 
     public function testRelativeUrlWithExtraParameters()
     {
         $routes = $this->getRoutes('test', new Route('/testing'));
-        $url = $this->getGenerator($routes)->generate('test', array('foo' => 'bar'), UrlGeneratorInterface::ABSOLUTE_PATH);
+        $url = $this->getGenerator($routes)->generate('test', ['foo' => 'bar'], UrlGeneratorInterface::ABSOLUTE_PATH);
 
         $this->assertEquals('/app.php/testing?foo=bar', $url);
     }
@@ -113,7 +113,7 @@ class UrlGeneratorTest extends TestCase
     public function testAbsoluteUrlWithExtraParameters()
     {
         $routes = $this->getRoutes('test', new Route('/testing'));
-        $url = $this->getGenerator($routes)->generate('test', array('foo' => 'bar'), UrlGeneratorInterface::ABSOLUTE_URL);
+        $url = $this->getGenerator($routes)->generate('test', ['foo' => 'bar'], UrlGeneratorInterface::ABSOLUTE_URL);
 
         $this->assertEquals('http://localhost/app.php/testing?foo=bar', $url);
     }
@@ -121,7 +121,7 @@ class UrlGeneratorTest extends TestCase
     public function testUrlWithNullExtraParameters()
     {
         $routes = $this->getRoutes('test', new Route('/testing'));
-        $url = $this->getGenerator($routes)->generate('test', array('foo' => null), UrlGeneratorInterface::ABSOLUTE_URL);
+        $url = $this->getGenerator($routes)->generate('test', ['foo' => null], UrlGeneratorInterface::ABSOLUTE_URL);
 
         $this->assertEquals('http://localhost/app.php/testing', $url);
     }
@@ -133,7 +133,7 @@ class UrlGeneratorTest extends TestCase
         $context = new RequestContext('/app.php');
         $context->setParameter('bar', 'bar');
         $generator->setContext($context);
-        $url = $generator->generate('test', array('foo' => 'bar'));
+        $url = $generator->generate('test', ['foo' => 'bar']);
 
         $this->assertEquals('/app.php/testing?foo=bar', $url);
     }
@@ -145,19 +145,19 @@ class UrlGeneratorTest extends TestCase
         $context = new RequestContext('/app.php');
         $context->setParameter('foo', 'bar');
         $generator->setContext($context);
-        $url = $generator->generate('test', array());
+        $url = $generator->generate('test', []);
 
         $this->assertEquals('/app.php/testing/bar', $url);
     }
 
     public function testGlobalParameterHasHigherPriorityThanDefault()
     {
-        $routes = $this->getRoutes('test', new Route('/{_locale}', array('_locale' => 'en')));
+        $routes = $this->getRoutes('test', new Route('/{_locale}', ['_locale' => 'en']));
         $generator = $this->getGenerator($routes);
         $context = new RequestContext('/app.php');
         $context->setParameter('_locale', 'de');
         $generator->setContext($context);
-        $url = $generator->generate('test', array());
+        $url = $generator->generate('test', []);
 
         $this->assertSame('/app.php/de', $url);
     }
@@ -168,7 +168,7 @@ class UrlGeneratorTest extends TestCase
     public function testGenerateWithoutRoutes()
     {
         $routes = $this->getRoutes('foo', new Route('/testing/{foo}'));
-        $this->getGenerator($routes)->generate('test', array(), UrlGeneratorInterface::ABSOLUTE_URL);
+        $this->getGenerator($routes)->generate('test', [], UrlGeneratorInterface::ABSOLUTE_URL);
     }
 
     /**
@@ -177,7 +177,7 @@ class UrlGeneratorTest extends TestCase
     public function testGenerateForRouteWithoutMandatoryParameter()
     {
         $routes = $this->getRoutes('test', new Route('/testing/{foo}'));
-        $this->getGenerator($routes)->generate('test', array(), UrlGeneratorInterface::ABSOLUTE_URL);
+        $this->getGenerator($routes)->generate('test', [], UrlGeneratorInterface::ABSOLUTE_URL);
     }
 
     /**
@@ -185,8 +185,8 @@ class UrlGeneratorTest extends TestCase
      */
     public function testGenerateForRouteWithInvalidOptionalParameter()
     {
-        $routes = $this->getRoutes('test', new Route('/testing/{foo}', array('foo' => '1'), array('foo' => 'd+')));
-        $this->getGenerator($routes)->generate('test', array('foo' => 'bar'), UrlGeneratorInterface::ABSOLUTE_URL);
+        $routes = $this->getRoutes('test', new Route('/testing/{foo}', ['foo' => '1'], ['foo' => 'd+']));
+        $this->getGenerator($routes)->generate('test', ['foo' => 'bar'], UrlGeneratorInterface::ABSOLUTE_URL);
     }
 
     /**
@@ -194,35 +194,35 @@ class UrlGeneratorTest extends TestCase
      */
     public function testGenerateForRouteWithInvalidParameter()
     {
-        $routes = $this->getRoutes('test', new Route('/testing/{foo}', array(), array('foo' => '1|2')));
-        $this->getGenerator($routes)->generate('test', array('foo' => '0'), UrlGeneratorInterface::ABSOLUTE_URL);
+        $routes = $this->getRoutes('test', new Route('/testing/{foo}', [], ['foo' => '1|2']));
+        $this->getGenerator($routes)->generate('test', ['foo' => '0'], UrlGeneratorInterface::ABSOLUTE_URL);
     }
 
     public function testGenerateForRouteWithInvalidOptionalParameterNonStrict()
     {
-        $routes = $this->getRoutes('test', new Route('/testing/{foo}', array('foo' => '1'), array('foo' => 'd+')));
+        $routes = $this->getRoutes('test', new Route('/testing/{foo}', ['foo' => '1'], ['foo' => 'd+']));
         $generator = $this->getGenerator($routes);
         $generator->setStrictRequirements(false);
-        $this->assertNull($generator->generate('test', array('foo' => 'bar'), UrlGeneratorInterface::ABSOLUTE_URL));
+        $this->assertNull($generator->generate('test', ['foo' => 'bar'], UrlGeneratorInterface::ABSOLUTE_URL));
     }
 
     public function testGenerateForRouteWithInvalidOptionalParameterNonStrictWithLogger()
     {
-        $routes = $this->getRoutes('test', new Route('/testing/{foo}', array('foo' => '1'), array('foo' => 'd+')));
+        $routes = $this->getRoutes('test', new Route('/testing/{foo}', ['foo' => '1'], ['foo' => 'd+']));
         $logger = $this->getMockBuilder('Psr\Log\LoggerInterface')->getMock();
         $logger->expects($this->once())
             ->method('error');
-        $generator = $this->getGenerator($routes, array(), $logger);
+        $generator = $this->getGenerator($routes, [], $logger);
         $generator->setStrictRequirements(false);
-        $this->assertNull($generator->generate('test', array('foo' => 'bar'), UrlGeneratorInterface::ABSOLUTE_URL));
+        $this->assertNull($generator->generate('test', ['foo' => 'bar'], UrlGeneratorInterface::ABSOLUTE_URL));
     }
 
     public function testGenerateForRouteWithInvalidParameterButDisabledRequirementsCheck()
     {
-        $routes = $this->getRoutes('test', new Route('/testing/{foo}', array('foo' => '1'), array('foo' => 'd+')));
+        $routes = $this->getRoutes('test', new Route('/testing/{foo}', ['foo' => '1'], ['foo' => 'd+']));
         $generator = $this->getGenerator($routes);
         $generator->setStrictRequirements(null);
-        $this->assertSame('/app.php/testing/bar', $generator->generate('test', array('foo' => 'bar')));
+        $this->assertSame('/app.php/testing/bar', $generator->generate('test', ['foo' => 'bar']));
     }
 
     /**
@@ -230,8 +230,8 @@ class UrlGeneratorTest extends TestCase
      */
     public function testGenerateForRouteWithInvalidMandatoryParameter()
     {
-        $routes = $this->getRoutes('test', new Route('/testing/{foo}', array(), array('foo' => 'd+')));
-        $this->getGenerator($routes)->generate('test', array('foo' => 'bar'), UrlGeneratorInterface::ABSOLUTE_URL);
+        $routes = $this->getRoutes('test', new Route('/testing/{foo}', [], ['foo' => 'd+']));
+        $this->getGenerator($routes)->generate('test', ['foo' => 'bar'], UrlGeneratorInterface::ABSOLUTE_URL);
     }
 
     /**
@@ -239,8 +239,8 @@ class UrlGeneratorTest extends TestCase
      */
     public function testGenerateForRouteWithInvalidUtf8Parameter()
     {
-        $routes = $this->getRoutes('test', new Route('/testing/{foo}', array(), array('foo' => '\pL+'), array('utf8' => true)));
-        $this->getGenerator($routes)->generate('test', array('foo' => 'abc123'), UrlGeneratorInterface::ABSOLUTE_URL);
+        $routes = $this->getRoutes('test', new Route('/testing/{foo}', [], ['foo' => '\pL+'], ['utf8' => true]));
+        $this->getGenerator($routes)->generate('test', ['foo' => 'abc123'], UrlGeneratorInterface::ABSOLUTE_URL);
     }
 
     /**
@@ -248,31 +248,31 @@ class UrlGeneratorTest extends TestCase
      */
     public function testRequiredParamAndEmptyPassed()
     {
-        $routes = $this->getRoutes('test', new Route('/{slug}', array(), array('slug' => '.+')));
-        $this->getGenerator($routes)->generate('test', array('slug' => ''));
+        $routes = $this->getRoutes('test', new Route('/{slug}', [], ['slug' => '.+']));
+        $this->getGenerator($routes)->generate('test', ['slug' => '']);
     }
 
     public function testSchemeRequirementDoesNothingIfSameCurrentScheme()
     {
-        $routes = $this->getRoutes('test', new Route('/', array(), array(), array(), '', array('http')));
+        $routes = $this->getRoutes('test', new Route('/', [], [], [], '', ['http']));
         $this->assertEquals('/app.php/', $this->getGenerator($routes)->generate('test'));
 
-        $routes = $this->getRoutes('test', new Route('/', array(), array(), array(), '', array('https')));
-        $this->assertEquals('/app.php/', $this->getGenerator($routes, array('scheme' => 'https'))->generate('test'));
+        $routes = $this->getRoutes('test', new Route('/', [], [], [], '', ['https']));
+        $this->assertEquals('/app.php/', $this->getGenerator($routes, ['scheme' => 'https'])->generate('test'));
     }
 
     public function testSchemeRequirementForcesAbsoluteUrl()
     {
-        $routes = $this->getRoutes('test', new Route('/', array(), array(), array(), '', array('https')));
+        $routes = $this->getRoutes('test', new Route('/', [], [], [], '', ['https']));
         $this->assertEquals('https://localhost/app.php/', $this->getGenerator($routes)->generate('test'));
 
-        $routes = $this->getRoutes('test', new Route('/', array(), array(), array(), '', array('http')));
-        $this->assertEquals('http://localhost/app.php/', $this->getGenerator($routes, array('scheme' => 'https'))->generate('test'));
+        $routes = $this->getRoutes('test', new Route('/', [], [], [], '', ['http']));
+        $this->assertEquals('http://localhost/app.php/', $this->getGenerator($routes, ['scheme' => 'https'])->generate('test'));
     }
 
     public function testSchemeRequirementCreatesUrlForFirstRequiredScheme()
     {
-        $routes = $this->getRoutes('test', new Route('/', array(), array(), array(), '', array('Ftp', 'https')));
+        $routes = $this->getRoutes('test', new Route('/', [], [], [], '', ['Ftp', 'https']));
         $this->assertEquals('ftp://localhost/app.php/', $this->getGenerator($routes)->generate('test'));
     }
 
@@ -281,48 +281,48 @@ class UrlGeneratorTest extends TestCase
         $routes = $this->getRoutes('test', new Route('//path-and-not-domain'));
 
         // this must not generate '//path-and-not-domain' because that would be a network path
-        $this->assertSame('/path-and-not-domain', $this->getGenerator($routes, array('BaseUrl' => ''))->generate('test'));
+        $this->assertSame('/path-and-not-domain', $this->getGenerator($routes, ['BaseUrl' => ''])->generate('test'));
     }
 
     public function testNoTrailingSlashForMultipleOptionalParameters()
     {
-        $routes = $this->getRoutes('test', new Route('/category/{slug1}/{slug2}/{slug3}', array('slug2' => null, 'slug3' => null)));
+        $routes = $this->getRoutes('test', new Route('/category/{slug1}/{slug2}/{slug3}', ['slug2' => null, 'slug3' => null]));
 
-        $this->assertEquals('/app.php/category/foo', $this->getGenerator($routes)->generate('test', array('slug1' => 'foo')));
+        $this->assertEquals('/app.php/category/foo', $this->getGenerator($routes)->generate('test', ['slug1' => 'foo']));
     }
 
     public function testWithAnIntegerAsADefaultValue()
     {
-        $routes = $this->getRoutes('test', new Route('/{default}', array('default' => 0)));
+        $routes = $this->getRoutes('test', new Route('/{default}', ['default' => 0]));
 
-        $this->assertEquals('/app.php/foo', $this->getGenerator($routes)->generate('test', array('default' => 'foo')));
+        $this->assertEquals('/app.php/foo', $this->getGenerator($routes)->generate('test', ['default' => 'foo']));
     }
 
     public function testNullForOptionalParameterIsIgnored()
     {
-        $routes = $this->getRoutes('test', new Route('/test/{default}', array('default' => 0)));
+        $routes = $this->getRoutes('test', new Route('/test/{default}', ['default' => 0]));
 
-        $this->assertEquals('/app.php/test', $this->getGenerator($routes)->generate('test', array('default' => null)));
+        $this->assertEquals('/app.php/test', $this->getGenerator($routes)->generate('test', ['default' => null]));
     }
 
     public function testQueryParamSameAsDefault()
     {
-        $routes = $this->getRoutes('test', new Route('/test', array('page' => 1)));
+        $routes = $this->getRoutes('test', new Route('/test', ['page' => 1]));
 
-        $this->assertSame('/app.php/test?page=2', $this->getGenerator($routes)->generate('test', array('page' => 2)));
-        $this->assertSame('/app.php/test', $this->getGenerator($routes)->generate('test', array('page' => 1)));
-        $this->assertSame('/app.php/test', $this->getGenerator($routes)->generate('test', array('page' => '1')));
+        $this->assertSame('/app.php/test?page=2', $this->getGenerator($routes)->generate('test', ['page' => 2]));
+        $this->assertSame('/app.php/test', $this->getGenerator($routes)->generate('test', ['page' => 1]));
+        $this->assertSame('/app.php/test', $this->getGenerator($routes)->generate('test', ['page' => '1']));
         $this->assertSame('/app.php/test', $this->getGenerator($routes)->generate('test'));
     }
 
     public function testArrayQueryParamSameAsDefault()
     {
-        $routes = $this->getRoutes('test', new Route('/test', array('array' => array('foo', 'bar'))));
+        $routes = $this->getRoutes('test', new Route('/test', ['array' => ['foo', 'bar']]));
 
-        $this->assertSame('/app.php/test?array%5B0%5D=bar&array%5B1%5D=foo', $this->getGenerator($routes)->generate('test', array('array' => array('bar', 'foo'))));
-        $this->assertSame('/app.php/test?array%5Ba%5D=foo&array%5Bb%5D=bar', $this->getGenerator($routes)->generate('test', array('array' => array('a' => 'foo', 'b' => 'bar'))));
-        $this->assertSame('/app.php/test', $this->getGenerator($routes)->generate('test', array('array' => array('foo', 'bar'))));
-        $this->assertSame('/app.php/test', $this->getGenerator($routes)->generate('test', array('array' => array(1 => 'bar', 0 => 'foo'))));
+        $this->assertSame('/app.php/test?array%5B0%5D=bar&array%5B1%5D=foo', $this->getGenerator($routes)->generate('test', ['array' => ['bar', 'foo']]));
+        $this->assertSame('/app.php/test?array%5Ba%5D=foo&array%5Bb%5D=bar', $this->getGenerator($routes)->generate('test', ['array' => ['a' => 'foo', 'b' => 'bar']]));
+        $this->assertSame('/app.php/test', $this->getGenerator($routes)->generate('test', ['array' => ['foo', 'bar']]));
+        $this->assertSame('/app.php/test', $this->getGenerator($routes)->generate('test', ['array' => [1 => 'bar', 0 => 'foo']]));
         $this->assertSame('/app.php/test', $this->getGenerator($routes)->generate('test'));
     }
 
@@ -342,11 +342,11 @@ class UrlGeneratorTest extends TestCase
         // This tests the encoding of reserved characters that are used for delimiting of URI components (defined in RFC 3986)
         // and other special ASCII chars. These chars are tested as static text path, variable path and query param.
         $chars = '@:[]/()*\'" +,;-._~&$<>|{}%\\^`!?foo=bar#id';
-        $routes = $this->getRoutes('test', new Route("/$chars/{varpath}", array(), array('varpath' => '.+')));
-        $this->assertSame($expectedPath, $this->getGenerator($routes)->generate('test', array(
+        $routes = $this->getRoutes('test', new Route("/$chars/{varpath}", [], ['varpath' => '.+']));
+        $this->assertSame($expectedPath, $this->getGenerator($routes)->generate('test', [
             'varpath' => $chars,
             'query' => $chars,
-        )));
+        ]));
     }
 
     public function testEncodingOfRelativePathSegments()
@@ -361,24 +361,24 @@ class UrlGeneratorTest extends TestCase
 
     public function testAdjacentVariables()
     {
-        $routes = $this->getRoutes('test', new Route('/{x}{y}{z}.{_format}', array('z' => 'default-z', '_format' => 'html'), array('y' => '\d+')));
+        $routes = $this->getRoutes('test', new Route('/{x}{y}{z}.{_format}', ['z' => 'default-z', '_format' => 'html'], ['y' => '\d+']));
         $generator = $this->getGenerator($routes);
-        $this->assertSame('/app.php/foo123', $generator->generate('test', array('x' => 'foo', 'y' => '123')));
-        $this->assertSame('/app.php/foo123bar.xml', $generator->generate('test', array('x' => 'foo', 'y' => '123', 'z' => 'bar', '_format' => 'xml')));
+        $this->assertSame('/app.php/foo123', $generator->generate('test', ['x' => 'foo', 'y' => '123']));
+        $this->assertSame('/app.php/foo123bar.xml', $generator->generate('test', ['x' => 'foo', 'y' => '123', 'z' => 'bar', '_format' => 'xml']));
 
         // The default requirement for 'x' should not allow the separator '.' in this case because it would otherwise match everything
         // and following optional variables like _format could never match.
         $this->expectException('Symfony\Component\Routing\Exception\InvalidParameterException');
-        $generator->generate('test', array('x' => 'do.t', 'y' => '123', 'z' => 'bar', '_format' => 'xml'));
+        $generator->generate('test', ['x' => 'do.t', 'y' => '123', 'z' => 'bar', '_format' => 'xml']);
     }
 
     public function testOptionalVariableWithNoRealSeparator()
     {
-        $routes = $this->getRoutes('test', new Route('/get{what}', array('what' => 'All')));
+        $routes = $this->getRoutes('test', new Route('/get{what}', ['what' => 'All']));
         $generator = $this->getGenerator($routes);
 
         $this->assertSame('/app.php/get', $generator->generate('test'));
-        $this->assertSame('/app.php/getSites', $generator->generate('test', array('what' => 'Sites')));
+        $this->assertSame('/app.php/getSites', $generator->generate('test', ['what' => 'Sites']));
     }
 
     public function testRequiredVariableWithNoRealSeparator()
@@ -386,7 +386,7 @@ class UrlGeneratorTest extends TestCase
         $routes = $this->getRoutes('test', new Route('/get{what}Suffix'));
         $generator = $this->getGenerator($routes);
 
-        $this->assertSame('/app.php/getSitesSuffix', $generator->generate('test', array('what' => 'Sites')));
+        $this->assertSame('/app.php/getSitesSuffix', $generator->generate('test', ['what' => 'Sites']));
     }
 
     public function testDefaultRequirementOfVariable()
@@ -394,17 +394,17 @@ class UrlGeneratorTest extends TestCase
         $routes = $this->getRoutes('test', new Route('/{page}.{_format}'));
         $generator = $this->getGenerator($routes);
 
-        $this->assertSame('/app.php/index.mobile.html', $generator->generate('test', array('page' => 'index', '_format' => 'mobile.html')));
+        $this->assertSame('/app.php/index.mobile.html', $generator->generate('test', ['page' => 'index', '_format' => 'mobile.html']));
     }
 
     public function testImportantVariable()
     {
-        $routes = $this->getRoutes('test', (new Route('/{page}.{!_format}'))->addDefaults(array('_format' => 'mobile.html')));
+        $routes = $this->getRoutes('test', (new Route('/{page}.{!_format}'))->addDefaults(['_format' => 'mobile.html']));
         $generator = $this->getGenerator($routes);
 
-        $this->assertSame('/app.php/index.xml', $generator->generate('test', array('page' => 'index', '_format' => 'xml')));
-        $this->assertSame('/app.php/index.mobile.html', $generator->generate('test', array('page' => 'index', '_format' => 'mobile.html')));
-        $this->assertSame('/app.php/index.mobile.html', $generator->generate('test', array('page' => 'index')));
+        $this->assertSame('/app.php/index.xml', $generator->generate('test', ['page' => 'index', '_format' => 'xml']));
+        $this->assertSame('/app.php/index.mobile.html', $generator->generate('test', ['page' => 'index', '_format' => 'mobile.html']));
+        $this->assertSame('/app.php/index.mobile.html', $generator->generate('test', ['page' => 'index']));
     }
 
     /**
@@ -415,7 +415,7 @@ class UrlGeneratorTest extends TestCase
         $routes = $this->getRoutes('test', new Route('/{page}.{!_format}'));
         $generator = $this->getGenerator($routes);
 
-        $generator->generate('test', array('page' => 'index'));
+        $generator->generate('test', ['page' => 'index']);
     }
 
     /**
@@ -424,7 +424,7 @@ class UrlGeneratorTest extends TestCase
     public function testDefaultRequirementOfVariableDisallowsSlash()
     {
         $routes = $this->getRoutes('test', new Route('/{page}.{_format}'));
-        $this->getGenerator($routes)->generate('test', array('page' => 'index', '_format' => 'sl/ash'));
+        $this->getGenerator($routes)->generate('test', ['page' => 'index', '_format' => 'sl/ash']);
     }
 
     /**
@@ -433,28 +433,28 @@ class UrlGeneratorTest extends TestCase
     public function testDefaultRequirementOfVariableDisallowsNextSeparator()
     {
         $routes = $this->getRoutes('test', new Route('/{page}.{_format}'));
-        $this->getGenerator($routes)->generate('test', array('page' => 'do.t', '_format' => 'html'));
+        $this->getGenerator($routes)->generate('test', ['page' => 'do.t', '_format' => 'html']);
     }
 
     public function testWithHostDifferentFromContext()
     {
-        $routes = $this->getRoutes('test', new Route('/{name}', array(), array(), array(), '{locale}.example.com'));
+        $routes = $this->getRoutes('test', new Route('/{name}', [], [], [], '{locale}.example.com'));
 
-        $this->assertEquals('//fr.example.com/app.php/Fabien', $this->getGenerator($routes)->generate('test', array('name' => 'Fabien', 'locale' => 'fr')));
+        $this->assertEquals('//fr.example.com/app.php/Fabien', $this->getGenerator($routes)->generate('test', ['name' => 'Fabien', 'locale' => 'fr']));
     }
 
     public function testWithHostSameAsContext()
     {
-        $routes = $this->getRoutes('test', new Route('/{name}', array(), array(), array(), '{locale}.example.com'));
+        $routes = $this->getRoutes('test', new Route('/{name}', [], [], [], '{locale}.example.com'));
 
-        $this->assertEquals('/app.php/Fabien', $this->getGenerator($routes, array('host' => 'fr.example.com'))->generate('test', array('name' => 'Fabien', 'locale' => 'fr')));
+        $this->assertEquals('/app.php/Fabien', $this->getGenerator($routes, ['host' => 'fr.example.com'])->generate('test', ['name' => 'Fabien', 'locale' => 'fr']));
     }
 
     public function testWithHostSameAsContextAndAbsolute()
     {
-        $routes = $this->getRoutes('test', new Route('/{name}', array(), array(), array(), '{locale}.example.com'));
+        $routes = $this->getRoutes('test', new Route('/{name}', [], [], [], '{locale}.example.com'));
 
-        $this->assertEquals('http://fr.example.com/app.php/Fabien', $this->getGenerator($routes, array('host' => 'fr.example.com'))->generate('test', array('name' => 'Fabien', 'locale' => 'fr'), UrlGeneratorInterface::ABSOLUTE_URL));
+        $this->assertEquals('http://fr.example.com/app.php/Fabien', $this->getGenerator($routes, ['host' => 'fr.example.com'])->generate('test', ['name' => 'Fabien', 'locale' => 'fr'], UrlGeneratorInterface::ABSOLUTE_URL));
     }
 
     /**
@@ -462,8 +462,8 @@ class UrlGeneratorTest extends TestCase
      */
     public function testUrlWithInvalidParameterInHost()
     {
-        $routes = $this->getRoutes('test', new Route('/', array(), array('foo' => 'bar'), array(), '{foo}.example.com'));
-        $this->getGenerator($routes)->generate('test', array('foo' => 'baz'), UrlGeneratorInterface::ABSOLUTE_PATH);
+        $routes = $this->getRoutes('test', new Route('/', [], ['foo' => 'bar'], [], '{foo}.example.com'));
+        $this->getGenerator($routes)->generate('test', ['foo' => 'baz'], UrlGeneratorInterface::ABSOLUTE_PATH);
     }
 
     /**
@@ -471,8 +471,8 @@ class UrlGeneratorTest extends TestCase
      */
     public function testUrlWithInvalidParameterInHostWhenParamHasADefaultValue()
     {
-        $routes = $this->getRoutes('test', new Route('/', array('foo' => 'bar'), array('foo' => 'bar'), array(), '{foo}.example.com'));
-        $this->getGenerator($routes)->generate('test', array('foo' => 'baz'), UrlGeneratorInterface::ABSOLUTE_PATH);
+        $routes = $this->getRoutes('test', new Route('/', ['foo' => 'bar'], ['foo' => 'bar'], [], '{foo}.example.com'));
+        $this->getGenerator($routes)->generate('test', ['foo' => 'baz'], UrlGeneratorInterface::ABSOLUTE_PATH);
     }
 
     /**
@@ -480,72 +480,72 @@ class UrlGeneratorTest extends TestCase
      */
     public function testUrlWithInvalidParameterEqualsDefaultValueInHost()
     {
-        $routes = $this->getRoutes('test', new Route('/', array('foo' => 'baz'), array('foo' => 'bar'), array(), '{foo}.example.com'));
-        $this->getGenerator($routes)->generate('test', array('foo' => 'baz'), UrlGeneratorInterface::ABSOLUTE_PATH);
+        $routes = $this->getRoutes('test', new Route('/', ['foo' => 'baz'], ['foo' => 'bar'], [], '{foo}.example.com'));
+        $this->getGenerator($routes)->generate('test', ['foo' => 'baz'], UrlGeneratorInterface::ABSOLUTE_PATH);
     }
 
     public function testUrlWithInvalidParameterInHostInNonStrictMode()
     {
-        $routes = $this->getRoutes('test', new Route('/', array(), array('foo' => 'bar'), array(), '{foo}.example.com'));
+        $routes = $this->getRoutes('test', new Route('/', [], ['foo' => 'bar'], [], '{foo}.example.com'));
         $generator = $this->getGenerator($routes);
         $generator->setStrictRequirements(false);
-        $this->assertNull($generator->generate('test', array('foo' => 'baz'), UrlGeneratorInterface::ABSOLUTE_PATH));
+        $this->assertNull($generator->generate('test', ['foo' => 'baz'], UrlGeneratorInterface::ABSOLUTE_PATH));
     }
 
     public function testHostIsCaseInsensitive()
     {
-        $routes = $this->getRoutes('test', new Route('/', array(), array('locale' => 'en|de|fr'), array(), '{locale}.FooBar.com'));
+        $routes = $this->getRoutes('test', new Route('/', [], ['locale' => 'en|de|fr'], [], '{locale}.FooBar.com'));
         $generator = $this->getGenerator($routes);
-        $this->assertSame('//EN.FooBar.com/app.php/', $generator->generate('test', array('locale' => 'EN'), UrlGeneratorInterface::NETWORK_PATH));
+        $this->assertSame('//EN.FooBar.com/app.php/', $generator->generate('test', ['locale' => 'EN'], UrlGeneratorInterface::NETWORK_PATH));
     }
 
     public function testDefaultHostIsUsedWhenContextHostIsEmpty()
     {
-        $routes = $this->getRoutes('test', new Route('/route', array('domain' => 'my.fallback.host'), array('domain' => '.+'), array(), '{domain}', array('http')));
+        $routes = $this->getRoutes('test', new Route('/route', ['domain' => 'my.fallback.host'], ['domain' => '.+'], [], '{domain}', ['http']));
 
         $generator = $this->getGenerator($routes);
         $generator->getContext()->setHost('');
 
-        $this->assertSame('http://my.fallback.host/app.php/route', $generator->generate('test', array(), UrlGeneratorInterface::ABSOLUTE_URL));
+        $this->assertSame('http://my.fallback.host/app.php/route', $generator->generate('test', [], UrlGeneratorInterface::ABSOLUTE_URL));
     }
 
     public function testDefaultHostIsUsedWhenContextHostIsEmptyAndSchemeIsNot()
     {
-        $routes = $this->getRoutes('test', new Route('/route', array('domain' => 'my.fallback.host'), array('domain' => '.+'), array(), '{domain}', array('http', 'https')));
+        $routes = $this->getRoutes('test', new Route('/route', ['domain' => 'my.fallback.host'], ['domain' => '.+'], [], '{domain}', ['http', 'https']));
 
         $generator = $this->getGenerator($routes);
         $generator->getContext()->setHost('');
         $generator->getContext()->setScheme('https');
 
-        $this->assertSame('https://my.fallback.host/app.php/route', $generator->generate('test', array(), UrlGeneratorInterface::ABSOLUTE_URL));
+        $this->assertSame('https://my.fallback.host/app.php/route', $generator->generate('test', [], UrlGeneratorInterface::ABSOLUTE_URL));
     }
 
     public function testAbsoluteUrlFallbackToRelativeIfHostIsEmptyAndSchemeIsNot()
     {
-        $routes = $this->getRoutes('test', new Route('/route', array(), array(), array(), '', array('http', 'https')));
+        $routes = $this->getRoutes('test', new Route('/route', [], [], [], '', ['http', 'https']));
 
         $generator = $this->getGenerator($routes);
         $generator->getContext()->setHost('');
         $generator->getContext()->setScheme('https');
 
-        $this->assertSame('/app.php/route', $generator->generate('test', array(), UrlGeneratorInterface::ABSOLUTE_URL));
+        $this->assertSame('/app.php/route', $generator->generate('test', [], UrlGeneratorInterface::ABSOLUTE_URL));
     }
 
     public function testGenerateNetworkPath()
     {
-        $routes = $this->getRoutes('test', new Route('/{name}', array(), array(), array(), '{locale}.example.com', array('http')));
+        $routes = $this->getRoutes('test', new Route('/{name}', [], [], [], '{locale}.example.com', ['http']));
 
         $this->assertSame('//fr.example.com/app.php/Fabien', $this->getGenerator($routes)->generate('test',
-            array('name' => 'Fabien', 'locale' => 'fr'), UrlGeneratorInterface::NETWORK_PATH), 'network path with different host'
+            ['name' => 'Fabien', 'locale' => 'fr'], UrlGeneratorInterface::NETWORK_PATH), 'network path with different host'
         );
-        $this->assertSame('//fr.example.com/app.php/Fabien?query=string', $this->getGenerator($routes, array('host' => 'fr.example.com'))->generate('test',
-            array('name' => 'Fabien', 'locale' => 'fr', 'query' => 'string'), UrlGeneratorInterface::NETWORK_PATH), 'network path although host same as context'
+        $this->assertSame('//fr.example.com/app.php/Fabien?query=string', $this->getGenerator($routes, ['host' => 'fr.example.com'])->generate('test',
+            ['name' => 'Fabien', 'locale' => 'fr', 'query' => 'string'], UrlGeneratorInterface::NETWORK_PATH), 'network path although host same as context'
         );
-        $this->assertSame('http://fr.example.com/app.php/Fabien', $this->getGenerator($routes, array('scheme' => 'https'))->generate('test',
-            array('name' => 'Fabien', 'locale' => 'fr'), UrlGeneratorInterface::NETWORK_PATH), 'absolute URL because scheme requirement does not match context'
+        $this->assertSame('http://fr.example.com/app.php/Fabien', $this->getGenerator($routes, ['scheme' => 'https'])->generate('test',
+            ['name' => 'Fabien', 'locale' => 'fr'], UrlGeneratorInterface::NETWORK_PATH), 'absolute URL because scheme requirement does not match context'
         );
         $this->assertSame('http://fr.example.com/app.php/Fabien', $this->getGenerator($routes)->generate('test',
-            array('name' => 'Fabien', 'locale' => 'fr'), UrlGeneratorInterface::ABSOLUTE_URL), 'absolute URL with same scheme because it is requested'
+            ['name' => 'Fabien', 'locale' => 'fr'], UrlGeneratorInterface::ABSOLUTE_URL), 'absolute URL with same scheme because it is requested'
         );
     }
 
@@ -554,32 +554,32 @@ class UrlGeneratorTest extends TestCase
         $routes = new RouteCollection();
         $routes->add('article', new Route('/{author}/{article}/'));
         $routes->add('comments', new Route('/{author}/{article}/comments'));
-        $routes->add('host', new Route('/{article}', array(), array(), array(), '{author}.example.com'));
-        $routes->add('scheme', new Route('/{author}/blog', array(), array(), array(), '', array('https')));
+        $routes->add('host', new Route('/{article}', [], [], [], '{author}.example.com'));
+        $routes->add('scheme', new Route('/{author}/blog', [], [], [], '', ['https']));
         $routes->add('unrelated', new Route('/about'));
 
-        $generator = $this->getGenerator($routes, array('host' => 'example.com', 'pathInfo' => '/fabien/symfony-is-great/'));
+        $generator = $this->getGenerator($routes, ['host' => 'example.com', 'pathInfo' => '/fabien/symfony-is-great/']);
 
         $this->assertSame('comments', $generator->generate('comments',
-            array('author' => 'fabien', 'article' => 'symfony-is-great'), UrlGeneratorInterface::RELATIVE_PATH)
+            ['author' => 'fabien', 'article' => 'symfony-is-great'], UrlGeneratorInterface::RELATIVE_PATH)
         );
         $this->assertSame('comments?page=2', $generator->generate('comments',
-            array('author' => 'fabien', 'article' => 'symfony-is-great', 'page' => 2), UrlGeneratorInterface::RELATIVE_PATH)
+            ['author' => 'fabien', 'article' => 'symfony-is-great', 'page' => 2], UrlGeneratorInterface::RELATIVE_PATH)
         );
         $this->assertSame('../twig-is-great/', $generator->generate('article',
-            array('author' => 'fabien', 'article' => 'twig-is-great'), UrlGeneratorInterface::RELATIVE_PATH)
+            ['author' => 'fabien', 'article' => 'twig-is-great'], UrlGeneratorInterface::RELATIVE_PATH)
         );
         $this->assertSame('../../bernhard/forms-are-great/', $generator->generate('article',
-            array('author' => 'bernhard', 'article' => 'forms-are-great'), UrlGeneratorInterface::RELATIVE_PATH)
+            ['author' => 'bernhard', 'article' => 'forms-are-great'], UrlGeneratorInterface::RELATIVE_PATH)
         );
         $this->assertSame('//bernhard.example.com/app.php/forms-are-great', $generator->generate('host',
-            array('author' => 'bernhard', 'article' => 'forms-are-great'), UrlGeneratorInterface::RELATIVE_PATH)
+            ['author' => 'bernhard', 'article' => 'forms-are-great'], UrlGeneratorInterface::RELATIVE_PATH)
         );
         $this->assertSame('https://example.com/app.php/bernhard/blog', $generator->generate('scheme',
-                array('author' => 'bernhard'), UrlGeneratorInterface::RELATIVE_PATH)
+                ['author' => 'bernhard'], UrlGeneratorInterface::RELATIVE_PATH)
         );
         $this->assertSame('../../about', $generator->generate('unrelated',
-            array(), UrlGeneratorInterface::RELATIVE_PATH)
+            [], UrlGeneratorInterface::RELATIVE_PATH)
         );
     }
 
@@ -593,138 +593,138 @@ class UrlGeneratorTest extends TestCase
 
     public function provideRelativePaths()
     {
-        return array(
-            array(
+        return [
+            [
                 '/same/dir/',
                 '/same/dir/',
                 '',
-            ),
-            array(
+            ],
+            [
                 '/same/file',
                 '/same/file',
                 '',
-            ),
-            array(
+            ],
+            [
                 '/',
                 '/file',
                 'file',
-            ),
-            array(
+            ],
+            [
                 '/',
                 '/dir/file',
                 'dir/file',
-            ),
-            array(
+            ],
+            [
                 '/dir/file.html',
                 '/dir/different-file.html',
                 'different-file.html',
-            ),
-            array(
+            ],
+            [
                 '/same/dir/extra-file',
                 '/same/dir/',
                 './',
-            ),
-            array(
+            ],
+            [
                 '/parent/dir/',
                 '/parent/',
                 '../',
-            ),
-            array(
+            ],
+            [
                 '/parent/dir/extra-file',
                 '/parent/',
                 '../',
-            ),
-            array(
+            ],
+            [
                 '/a/b/',
                 '/x/y/z/',
                 '../../x/y/z/',
-            ),
-            array(
+            ],
+            [
                 '/a/b/c/d/e',
                 '/a/c/d',
                 '../../../c/d',
-            ),
-            array(
+            ],
+            [
                 '/a/b/c//',
                 '/a/b/c/',
                 '../',
-            ),
-            array(
+            ],
+            [
                 '/a/b/c/',
                 '/a/b/c//',
                 './/',
-            ),
-            array(
+            ],
+            [
                 '/root/a/b/c/',
                 '/root/x/b/c/',
                 '../../../x/b/c/',
-            ),
-            array(
+            ],
+            [
                 '/a/b/c/d/',
                 '/a',
                 '../../../../a',
-            ),
-            array(
+            ],
+            [
                 '/special-chars/sp%20ce/1€/mäh/e=mc²',
                 '/special-chars/sp%20ce/1€/<µ>/e=mc²',
                 '../<µ>/e=mc²',
-            ),
-            array(
+            ],
+            [
                 'not-rooted',
                 'dir/file',
                 'dir/file',
-            ),
-            array(
+            ],
+            [
                 '//dir/',
                 '',
                 '../../',
-            ),
-            array(
+            ],
+            [
                 '/dir/',
                 '/dir/file:with-colon',
                 './file:with-colon',
-            ),
-            array(
+            ],
+            [
                 '/dir/',
                 '/dir/subdir/file:with-colon',
                 'subdir/file:with-colon',
-            ),
-            array(
+            ],
+            [
                 '/dir/',
                 '/dir/:subdir/',
                 './:subdir/',
-            ),
-        );
+            ],
+        ];
     }
 
     public function testFragmentsCanBeAppendedToUrls()
     {
         $routes = $this->getRoutes('test', new Route('/testing'));
 
-        $url = $this->getGenerator($routes)->generate('test', array('_fragment' => 'frag ment'), UrlGeneratorInterface::ABSOLUTE_PATH);
+        $url = $this->getGenerator($routes)->generate('test', ['_fragment' => 'frag ment'], UrlGeneratorInterface::ABSOLUTE_PATH);
         $this->assertEquals('/app.php/testing#frag%20ment', $url);
 
-        $url = $this->getGenerator($routes)->generate('test', array('_fragment' => '0'), UrlGeneratorInterface::ABSOLUTE_PATH);
+        $url = $this->getGenerator($routes)->generate('test', ['_fragment' => '0'], UrlGeneratorInterface::ABSOLUTE_PATH);
         $this->assertEquals('/app.php/testing#0', $url);
     }
 
     public function testFragmentsDoNotEscapeValidCharacters()
     {
         $routes = $this->getRoutes('test', new Route('/testing'));
-        $url = $this->getGenerator($routes)->generate('test', array('_fragment' => '?/'), UrlGeneratorInterface::ABSOLUTE_PATH);
+        $url = $this->getGenerator($routes)->generate('test', ['_fragment' => '?/'], UrlGeneratorInterface::ABSOLUTE_PATH);
 
         $this->assertEquals('/app.php/testing#?/', $url);
     }
 
     public function testFragmentsCanBeDefinedAsDefaults()
     {
-        $routes = $this->getRoutes('test', new Route('/testing', array('_fragment' => 'fragment')));
-        $url = $this->getGenerator($routes)->generate('test', array(), UrlGeneratorInterface::ABSOLUTE_PATH);
+        $routes = $this->getRoutes('test', new Route('/testing', ['_fragment' => 'fragment']));
+        $url = $this->getGenerator($routes)->generate('test', [], UrlGeneratorInterface::ABSOLUTE_PATH);
 
         $this->assertEquals('/app.php/testing#fragment', $url);
     }
 
-    protected function getGenerator(RouteCollection $routes, array $parameters = array(), $logger = null)
+    protected function getGenerator(RouteCollection $routes, array $parameters = [], $logger = null)
     {
         $context = new RequestContext('/app.php');
         foreach ($parameters as $key => $value) {

src/Symfony/Component/Routing/Tests/Matcher/UrlMatcherTest.php

@@ -33,7 +33,7 @@ class UrlMatcherTest extends TestCase
     public function testMethodNotAllowed()
     {
         $coll = new RouteCollection();
-        $coll->add('foo', new Route('/foo', array(), array(), array(), '', array(), array('post')));
+        $coll->add('foo', new Route('/foo', [], [], [], '', [], ['post']));
 
         $matcher = $this->getUrlMatcher($coll);
 
@@ -41,14 +41,14 @@ class UrlMatcherTest extends TestCase
             $matcher->match('/foo');
             $this->fail();
         } catch (MethodNotAllowedException $e) {
-            $this->assertEquals(array('POST'), $e->getAllowedMethods());
+            $this->assertEquals(['POST'], $e->getAllowedMethods());
         }
     }
 
     public function testMethodNotAllowedOnRoot()
     {
         $coll = new RouteCollection();
-        $coll->add('foo', new Route('/', array(), array(), array(), '', array(), array('GET')));
+        $coll->add('foo', new Route('/', [], [], [], '', [], ['GET']));
 
         $matcher = $this->getUrlMatcher($coll, new RequestContext('', 'POST'));
 
@@ -56,14 +56,14 @@ class UrlMatcherTest extends TestCase
             $matcher->match('/');
             $this->fail();
         } catch (MethodNotAllowedException $e) {
-            $this->assertEquals(array('GET'), $e->getAllowedMethods());
+            $this->assertEquals(['GET'], $e->getAllowedMethods());
         }
     }
 
     public function testHeadAllowedWhenRequirementContainsGet()
     {
         $coll = new RouteCollection();
-        $coll->add('foo', new Route('/foo', array(), array(), array(), '', array(), array('get')));
+        $coll->add('foo', new Route('/foo', [], [], [], '', [], ['get']));
 
         $matcher = $this->getUrlMatcher($coll, new RequestContext('', 'head'));
         $this->assertInternalType('array', $matcher->match('/foo'));
@@ -72,8 +72,8 @@ class UrlMatcherTest extends TestCase
     public function testMethodNotAllowedAggregatesAllowedMethods()
     {
         $coll = new RouteCollection();
-        $coll->add('foo1', new Route('/foo', array(), array(), array(), '', array(), array('post')));
-        $coll->add('foo2', new Route('/foo', array(), array(), array(), '', array(), array('put', 'delete')));
+        $coll->add('foo1', new Route('/foo', [], [], [], '', [], ['post']));
+        $coll->add('foo2', new Route('/foo', [], [], [], '', [], ['put', 'delete']));
 
         $matcher = $this->getUrlMatcher($coll);
 
@@ -81,7 +81,7 @@ class UrlMatcherTest extends TestCase
             $matcher->match('/foo');
             $this->fail();
         } catch (MethodNotAllowedException $e) {
-            $this->assertEquals(array('POST', 'PUT', 'DELETE'), $e->getAllowedMethods());
+            $this->assertEquals(['POST', 'PUT', 'DELETE'], $e->getAllowedMethods());
         }
     }
 
@@ -96,17 +96,17 @@ class UrlMatcherTest extends TestCase
             $this->fail();
         } catch (ResourceNotFoundException $e) {
         }
-        $this->assertEquals(array('_route' => 'foo', 'bar' => 'baz'), $matcher->match('/foo/baz'));
+        $this->assertEquals(['_route' => 'foo', 'bar' => 'baz'], $matcher->match('/foo/baz'));
 
         // test that defaults are merged
         $collection = new RouteCollection();
-        $collection->add('foo', new Route('/foo/{bar}', array('def' => 'test')));
+        $collection->add('foo', new Route('/foo/{bar}', ['def' => 'test']));
         $matcher = $this->getUrlMatcher($collection);
-        $this->assertEquals(array('_route' => 'foo', 'bar' => 'baz', 'def' => 'test'), $matcher->match('/foo/baz'));
+        $this->assertEquals(['_route' => 'foo', 'bar' => 'baz', 'def' => 'test'], $matcher->match('/foo/baz'));
 
         // test that route "method" is ignored if no method is given in the context
         $collection = new RouteCollection();
-        $collection->add('foo', new Route('/foo', array(), array(), array(), '', array(), array('get', 'head')));
+        $collection->add('foo', new Route('/foo', [], [], [], '', [], ['get', 'head']));
         $matcher = $this->getUrlMatcher($collection);
         $this->assertInternalType('array', $matcher->match('/foo'));
 
@@ -126,24 +126,24 @@ class UrlMatcherTest extends TestCase
 
         // route with an optional variable as the first segment
         $collection = new RouteCollection();
-        $collection->add('bar', new Route('/{bar}/foo', array('bar' => 'bar'), array('bar' => 'foo|bar')));
+        $collection->add('bar', new Route('/{bar}/foo', ['bar' => 'bar'], ['bar' => 'foo|bar']));
         $matcher = $this->getUrlMatcher($collection);
-        $this->assertEquals(array('_route' => 'bar', 'bar' => 'bar'), $matcher->match('/bar/foo'));
-        $this->assertEquals(array('_route' => 'bar', 'bar' => 'foo'), $matcher->match('/foo/foo'));
+        $this->assertEquals(['_route' => 'bar', 'bar' => 'bar'], $matcher->match('/bar/foo'));
+        $this->assertEquals(['_route' => 'bar', 'bar' => 'foo'], $matcher->match('/foo/foo'));
 
         $collection = new RouteCollection();
-        $collection->add('bar', new Route('/{bar}', array('bar' => 'bar'), array('bar' => 'foo|bar')));
+        $collection->add('bar', new Route('/{bar}', ['bar' => 'bar'], ['bar' => 'foo|bar']));
         $matcher = $this->getUrlMatcher($collection);
-        $this->assertEquals(array('_route' => 'bar', 'bar' => 'foo'), $matcher->match('/foo'));
-        $this->assertEquals(array('_route' => 'bar', 'bar' => 'bar'), $matcher->match('/'));
+        $this->assertEquals(['_route' => 'bar', 'bar' => 'foo'], $matcher->match('/foo'));
+        $this->assertEquals(['_route' => 'bar', 'bar' => 'bar'], $matcher->match('/'));
 
         // route with only optional variables
         $collection = new RouteCollection();
-        $collection->add('bar', new Route('/{foo}/{bar}', array('foo' => 'foo', 'bar' => 'bar'), array()));
+        $collection->add('bar', new Route('/{foo}/{bar}', ['foo' => 'foo', 'bar' => 'bar'], []));
         $matcher = $this->getUrlMatcher($collection);
-        $this->assertEquals(array('_route' => 'bar', 'foo' => 'foo', 'bar' => 'bar'), $matcher->match('/'));
-        $this->assertEquals(array('_route' => 'bar', 'foo' => 'a', 'bar' => 'bar'), $matcher->match('/a'));
-        $this->assertEquals(array('_route' => 'bar', 'foo' => 'a', 'bar' => 'b'), $matcher->match('/a/b'));
+        $this->assertEquals(['_route' => 'bar', 'foo' => 'foo', 'bar' => 'bar'], $matcher->match('/'));
+        $this->assertEquals(['_route' => 'bar', 'foo' => 'a', 'bar' => 'bar'], $matcher->match('/a'));
+        $this->assertEquals(['_route' => 'bar', 'foo' => 'a', 'bar' => 'b'], $matcher->match('/a/b'));
     }
 
     public function testMatchWithPrefixes()
@@ -154,7 +154,7 @@ class UrlMatcherTest extends TestCase
         $collection->addPrefix('/a');
 
         $matcher = $this->getUrlMatcher($collection);
-        $this->assertEquals(array('_route' => 'foo', 'foo' => 'foo'), $matcher->match('/a/b/foo'));
+        $this->assertEquals(['_route' => 'foo', 'foo' => 'foo'], $matcher->match('/a/b/foo'));
     }
 
     public function testMatchWithDynamicPrefix()
@@ -165,7 +165,7 @@ class UrlMatcherTest extends TestCase
         $collection->addPrefix('/{_locale}');
 
         $matcher = $this->getUrlMatcher($collection);
-        $this->assertEquals(array('_locale' => 'fr', '_route' => 'foo', 'foo' => 'foo'), $matcher->match('/fr/b/foo'));
+        $this->assertEquals(['_locale' => 'fr', '_route' => 'foo', 'foo' => 'foo'], $matcher->match('/fr/b/foo'));
     }
 
     public function testMatchSpecialRouteName()
@@ -174,16 +174,16 @@ class UrlMatcherTest extends TestCase
         $collection->add('$péß^a|', new Route('/bar'));
 
         $matcher = $this->getUrlMatcher($collection);
-        $this->assertEquals(array('_route' => '$péß^a|'), $matcher->match('/bar'));
+        $this->assertEquals(['_route' => '$péß^a|'], $matcher->match('/bar'));
     }
 
     public function testMatchImportantVariable()
     {
         $collection = new RouteCollection();
-        $collection->add('index', new Route('/index.{!_format}', array('_format' => 'xml')));
+        $collection->add('index', new Route('/index.{!_format}', ['_format' => 'xml']));
 
         $matcher = $this->getUrlMatcher($collection);
-        $this->assertEquals(array('_route' => 'index', '_format' => 'xml'), $matcher->match('/index.xml'));
+        $this->assertEquals(['_route' => 'index', '_format' => 'xml'], $matcher->match('/index.xml'));
     }
 
     /**
@@ -202,20 +202,20 @@ class UrlMatcherTest extends TestCase
     {
         $collection = new RouteCollection();
         $chars = '!"$%éà &\'()*+,./:;<=>@ABCDEFGHIJKLMNOPQRSTUVWXYZ\\[]^_`abcdefghijklmnopqrstuvwxyz{|}~-';
-        $collection->add('foo', new Route('/{foo}/bar', array(), array('foo' => '['.preg_quote($chars).']+'), array('utf8' => true)));
+        $collection->add('foo', new Route('/{foo}/bar', [], ['foo' => '['.preg_quote($chars).']+'], ['utf8' => true]));
 
         $matcher = $this->getUrlMatcher($collection);
-        $this->assertEquals(array('_route' => 'foo', 'foo' => $chars), $matcher->match('/'.rawurlencode($chars).'/bar'));
-        $this->assertEquals(array('_route' => 'foo', 'foo' => $chars), $matcher->match('/'.strtr($chars, array('%' => '%25')).'/bar'));
+        $this->assertEquals(['_route' => 'foo', 'foo' => $chars], $matcher->match('/'.rawurlencode($chars).'/bar'));
+        $this->assertEquals(['_route' => 'foo', 'foo' => $chars], $matcher->match('/'.strtr($chars, ['%' => '%25']).'/bar'));
     }
 
     public function testMatchWithDotMetacharacterInRequirements()
     {
         $collection = new RouteCollection();
-        $collection->add('foo', new Route('/{foo}/bar', array(), array('foo' => '.+')));
+        $collection->add('foo', new Route('/{foo}/bar', [], ['foo' => '.+']));
 
         $matcher = $this->getUrlMatcher($collection);
-        $this->assertEquals(array('_route' => 'foo', 'foo' => "\n"), $matcher->match('/'.urlencode("\n").'/bar'), 'linefeed character is matched');
+        $this->assertEquals(['_route' => 'foo', 'foo' => "\n"], $matcher->match('/'.urlencode("\n").'/bar'), 'linefeed character is matched');
     }
 
     public function testMatchOverriddenRoute()
@@ -230,9 +230,9 @@ class UrlMatcherTest extends TestCase
 
         $matcher = $this->getUrlMatcher($collection);
 
-        $this->assertEquals(array('_route' => 'foo'), $matcher->match('/foo1'));
+        $this->assertEquals(['_route' => 'foo'], $matcher->match('/foo1'));
         $this->expectException('Symfony\Component\Routing\Exception\ResourceNotFoundException');
-        $this->assertEquals(array(), $matcher->match('/foo'));
+        $this->assertEquals([], $matcher->match('/foo'));
     }
 
     public function testMatchRegression()
@@ -242,7 +242,7 @@ class UrlMatcherTest extends TestCase
         $coll->add('bar', new Route('/foo/bar/{foo}'));
 
         $matcher = $this->getUrlMatcher($coll);
-        $this->assertEquals(array('foo' => 'bar', '_route' => 'bar'), $matcher->match('/foo/bar/bar'));
+        $this->assertEquals(['foo' => 'bar', '_route' => 'bar'], $matcher->match('/foo/bar/bar'));
 
         $collection = new RouteCollection();
         $collection->add('foo', new Route('/{bar}'));
@@ -269,36 +269,36 @@ class UrlMatcherTest extends TestCase
     public function testDefaultRequirementForOptionalVariables()
     {
         $coll = new RouteCollection();
-        $coll->add('test', new Route('/{page}.{_format}', array('page' => 'index', '_format' => 'html')));
+        $coll->add('test', new Route('/{page}.{_format}', ['page' => 'index', '_format' => 'html']));
 
         $matcher = $this->getUrlMatcher($coll);
-        $this->assertEquals(array('page' => 'my-page', '_format' => 'xml', '_route' => 'test'), $matcher->match('/my-page.xml'));
+        $this->assertEquals(['page' => 'my-page', '_format' => 'xml', '_route' => 'test'], $matcher->match('/my-page.xml'));
     }
 
     public function testMatchingIsEager()
     {
         $coll = new RouteCollection();
-        $coll->add('test', new Route('/{foo}-{bar}-', array(), array('foo' => '.+', 'bar' => '.+')));
+        $coll->add('test', new Route('/{foo}-{bar}-', [], ['foo' => '.+', 'bar' => '.+']));
 
         $matcher = $this->getUrlMatcher($coll);
-        $this->assertEquals(array('foo' => 'text1-text2-text3', 'bar' => 'text4', '_route' => 'test'), $matcher->match('/text1-text2-text3-text4-'));
+        $this->assertEquals(['foo' => 'text1-text2-text3', 'bar' => 'text4', '_route' => 'test'], $matcher->match('/text1-text2-text3-text4-'));
     }
 
     public function testAdjacentVariables()
     {
         $coll = new RouteCollection();
-        $coll->add('test', new Route('/{w}{x}{y}{z}.{_format}', array('z' => 'default-z', '_format' => 'html'), array('y' => 'y|Y')));
+        $coll->add('test', new Route('/{w}{x}{y}{z}.{_format}', ['z' => 'default-z', '_format' => 'html'], ['y' => 'y|Y']));
 
         $matcher = $this->getUrlMatcher($coll);
         // 'w' eagerly matches as much as possible and the other variables match the remaining chars.
         // This also shows that the variables w-z must all exclude the separating char (the dot '.' in this case) by default requirement.
         // Otherwise they would also consume '.xml' and _format would never match as it's an optional variable.
-        $this->assertEquals(array('w' => 'wwwww', 'x' => 'x', 'y' => 'Y', 'z' => 'Z', '_format' => 'xml', '_route' => 'test'), $matcher->match('/wwwwwxYZ.xml'));
+        $this->assertEquals(['w' => 'wwwww', 'x' => 'x', 'y' => 'Y', 'z' => 'Z', '_format' => 'xml', '_route' => 'test'], $matcher->match('/wwwwwxYZ.xml'));
         // As 'y' has custom requirement and can only be of value 'y|Y', it will leave  'ZZZ' to variable z.
         // So with carefully chosen requirements adjacent variables, can be useful.
-        $this->assertEquals(array('w' => 'wwwww', 'x' => 'x', 'y' => 'y', 'z' => 'ZZZ', '_format' => 'html', '_route' => 'test'), $matcher->match('/wwwwwxyZZZ'));
+        $this->assertEquals(['w' => 'wwwww', 'x' => 'x', 'y' => 'y', 'z' => 'ZZZ', '_format' => 'html', '_route' => 'test'], $matcher->match('/wwwwwxyZZZ'));
         // z and _format are optional.
-        $this->assertEquals(array('w' => 'wwwww', 'x' => 'x', 'y' => 'y', 'z' => 'default-z', '_format' => 'html', '_route' => 'test'), $matcher->match('/wwwwwxy'));
+        $this->assertEquals(['w' => 'wwwww', 'x' => 'x', 'y' => 'y', 'z' => 'default-z', '_format' => 'html', '_route' => 'test'], $matcher->match('/wwwwwxy'));
 
         $this->expectException('Symfony\Component\Routing\Exception\ResourceNotFoundException');
         $matcher->match('/wxy.html');
@@ -307,11 +307,11 @@ class UrlMatcherTest extends TestCase
     public function testOptionalVariableWithNoRealSeparator()
     {
         $coll = new RouteCollection();
-        $coll->add('test', new Route('/get{what}', array('what' => 'All')));
+        $coll->add('test', new Route('/get{what}', ['what' => 'All']));
         $matcher = $this->getUrlMatcher($coll);
 
-        $this->assertEquals(array('what' => 'All', '_route' => 'test'), $matcher->match('/get'));
-        $this->assertEquals(array('what' => 'Sites', '_route' => 'test'), $matcher->match('/getSites'));
+        $this->assertEquals(['what' => 'All', '_route' => 'test'], $matcher->match('/get'));
+        $this->assertEquals(['what' => 'Sites', '_route' => 'test'], $matcher->match('/getSites'));
 
         // Usually the character in front of an optional parameter can be left out, e.g. with pattern '/get/{what}' just '/get' would match.
         // But here the 't' in 'get' is not a separating character, so it makes no sense to match without it.
@@ -325,7 +325,7 @@ class UrlMatcherTest extends TestCase
         $coll->add('test', new Route('/get{what}Suffix'));
         $matcher = $this->getUrlMatcher($coll);
 
-        $this->assertEquals(array('what' => 'Sites', '_route' => 'test'), $matcher->match('/getSitesSuffix'));
+        $this->assertEquals(['what' => 'Sites', '_route' => 'test'], $matcher->match('/getSitesSuffix'));
     }
 
     public function testDefaultRequirementOfVariable()
@@ -334,7 +334,7 @@ class UrlMatcherTest extends TestCase
         $coll->add('test', new Route('/{page}.{_format}'));
         $matcher = $this->getUrlMatcher($coll);
 
-        $this->assertEquals(array('page' => 'index', '_format' => 'mobile.html', '_route' => 'test'), $matcher->match('/index.mobile.html'));
+        $this->assertEquals(['page' => 'index', '_format' => 'mobile.html', '_route' => 'test'], $matcher->match('/index.mobile.html'));
     }
 
     /**
@@ -355,7 +355,7 @@ class UrlMatcherTest extends TestCase
     public function testDefaultRequirementOfVariableDisallowsNextSeparator()
     {
         $coll = new RouteCollection();
-        $coll->add('test', new Route('/{page}.{_format}', array(), array('_format' => 'html|xml')));
+        $coll->add('test', new Route('/{page}.{_format}', [], ['_format' => 'html|xml']));
         $matcher = $this->getUrlMatcher($coll);
 
         $matcher->match('/do.t.html');
@@ -419,7 +419,7 @@ class UrlMatcherTest extends TestCase
     public function testSchemeRequirement()
     {
         $coll = new RouteCollection();
-        $coll->add('foo', new Route('/foo', array(), array(), array(), '', array('https')));
+        $coll->add('foo', new Route('/foo', [], [], [], '', ['https']));
         $matcher = $this->getUrlMatcher($coll);
         $matcher->match('/foo');
     }
@@ -430,7 +430,7 @@ class UrlMatcherTest extends TestCase
     public function testSchemeRequirementForNonSafeMethod()
     {
         $coll = new RouteCollection();
-        $coll->add('foo', new Route('/foo', array(), array(), array(), '', array('https')));
+        $coll->add('foo', new Route('/foo', [], [], [], '', ['https']));
 
         $context = new RequestContext();
         $context->setMethod('POST');
@@ -441,10 +441,10 @@ class UrlMatcherTest extends TestCase
     public function testSamePathWithDifferentScheme()
     {
         $coll = new RouteCollection();
-        $coll->add('https_route', new Route('/', array(), array(), array(), '', array('https')));
-        $coll->add('http_route', new Route('/', array(), array(), array(), '', array('http')));
+        $coll->add('https_route', new Route('/', [], [], [], '', ['https']));
+        $coll->add('http_route', new Route('/', [], [], [], '', ['http']));
         $matcher = $this->getUrlMatcher($coll);
-        $this->assertEquals(array('_route' => 'http_route'), $matcher->match('/'));
+        $this->assertEquals(['_route' => 'http_route'], $matcher->match('/'));
     }
 
     /**
@@ -470,7 +470,7 @@ class UrlMatcherTest extends TestCase
         $route->setCondition('request.getBaseUrl() == "/sub/front.php" and request.getPathInfo() == "/foo/bar"');
         $coll->add('foo', $route);
         $matcher = $this->getUrlMatcher($coll, new RequestContext('/sub/front.php'));
-        $this->assertEquals(array('bar' => 'bar', '_route' => 'foo'), $matcher->match('/foo/bar'));
+        $this->assertEquals(['bar' => 'bar', '_route' => 'foo'], $matcher->match('/foo/bar'));
     }
 
     public function testDecodeOnce()
@@ -479,7 +479,7 @@ class UrlMatcherTest extends TestCase
         $coll->add('foo', new Route('/foo/{foo}'));
 
         $matcher = $this->getUrlMatcher($coll);
-        $this->assertEquals(array('foo' => 'bar%23', '_route' => 'foo'), $matcher->match('/foo/bar%2523'));
+        $this->assertEquals(['foo' => 'bar%23', '_route' => 'foo'], $matcher->match('/foo/bar%2523'));
     }
 
     public function testCannotRelyOnPrefix()
@@ -495,30 +495,30 @@ class UrlMatcherTest extends TestCase
         $coll->addCollection($subColl);
 
         $matcher = $this->getUrlMatcher($coll);
-        $this->assertEquals(array('_route' => 'bar'), $matcher->match('/new'));
+        $this->assertEquals(['_route' => 'bar'], $matcher->match('/new'));
     }
 
     public function testWithHost()
     {
         $coll = new RouteCollection();
-        $coll->add('foo', new Route('/foo/{foo}', array(), array(), array(), '{locale}.example.com'));
+        $coll->add('foo', new Route('/foo/{foo}', [], [], [], '{locale}.example.com'));
 
         $matcher = $this->getUrlMatcher($coll, new RequestContext('', 'GET', 'en.example.com'));
-        $this->assertEquals(array('foo' => 'bar', '_route' => 'foo', 'locale' => 'en'), $matcher->match('/foo/bar'));
+        $this->assertEquals(['foo' => 'bar', '_route' => 'foo', 'locale' => 'en'], $matcher->match('/foo/bar'));
     }
 
     public function testWithHostOnRouteCollection()
     {
         $coll = new RouteCollection();
         $coll->add('foo', new Route('/foo/{foo}'));
-        $coll->add('bar', new Route('/bar/{foo}', array(), array(), array(), '{locale}.example.net'));
+        $coll->add('bar', new Route('/bar/{foo}', [], [], [], '{locale}.example.net'));
         $coll->setHost('{locale}.example.com');
 
         $matcher = $this->getUrlMatcher($coll, new RequestContext('', 'GET', 'en.example.com'));
-        $this->assertEquals(array('foo' => 'bar', '_route' => 'foo', 'locale' => 'en'), $matcher->match('/foo/bar'));
+        $this->assertEquals(['foo' => 'bar', '_route' => 'foo', 'locale' => 'en'], $matcher->match('/foo/bar'));
 
         $matcher = $this->getUrlMatcher($coll, new RequestContext('', 'GET', 'en.example.com'));
-        $this->assertEquals(array('foo' => 'bar', '_route' => 'bar', 'locale' => 'en'), $matcher->match('/bar/bar'));
+        $this->assertEquals(['foo' => 'bar', '_route' => 'bar', 'locale' => 'en'], $matcher->match('/bar/bar'));
     }
 
     /**
@@ -527,7 +527,7 @@ class UrlMatcherTest extends TestCase
     public function testWithOutHostHostDoesNotMatch()
     {
         $coll = new RouteCollection();
-        $coll->add('foo', new Route('/foo/{foo}', array(), array(), array(), '{locale}.example.com'));
+        $coll->add('foo', new Route('/foo/{foo}', [], [], [], '{locale}.example.com'));
 
         $matcher = $this->getUrlMatcher($coll, new RequestContext('', 'GET', 'example.com'));
         $matcher->match('/foo/bar');
@@ -539,7 +539,7 @@ class UrlMatcherTest extends TestCase
     public function testPathIsCaseSensitive()
     {
         $coll = new RouteCollection();
-        $coll->add('foo', new Route('/locale', array(), array('locale' => 'EN|FR|DE')));
+        $coll->add('foo', new Route('/locale', [], ['locale' => 'EN|FR|DE']));
 
         $matcher = $this->getUrlMatcher($coll);
         $matcher->match('/en');
@@ -548,10 +548,10 @@ class UrlMatcherTest extends TestCase
     public function testHostIsCaseInsensitive()
     {
         $coll = new RouteCollection();
-        $coll->add('foo', new Route('/', array(), array('locale' => 'EN|FR|DE'), array(), '{locale}.example.com'));
+        $coll->add('foo', new Route('/', [], ['locale' => 'EN|FR|DE'], [], '{locale}.example.com'));
 
         $matcher = $this->getUrlMatcher($coll, new RequestContext('', 'GET', 'en.example.com'));
-        $this->assertEquals(array('_route' => 'foo', 'locale' => 'en'), $matcher->match('/'));
+        $this->assertEquals(['_route' => 'foo', 'locale' => 'en'], $matcher->match('/'));
     }
 
     /**
@@ -584,9 +584,9 @@ class UrlMatcherTest extends TestCase
         $coll->addCollection($subColl);
 
         $matcher = $this->getUrlMatcher($coll);
-        $this->assertEquals(array('_route' => 'a'), $matcher->match('/p/a'));
-        $this->assertEquals(array('_route' => 'baz', 'baz' => 'p'), $matcher->match('/p'));
-        $this->assertEquals(array('_route' => 'buz'), $matcher->match('/prefix/buz'));
+        $this->assertEquals(['_route' => 'a'], $matcher->match('/p/a'));
+        $this->assertEquals(['_route' => 'baz', 'baz' => 'p'], $matcher->match('/p'));
+        $this->assertEquals(['_route' => 'buz'], $matcher->match('/prefix/buz'));
     }
 
     /**
@@ -595,7 +595,7 @@ class UrlMatcherTest extends TestCase
     public function testSchemeAndMethodMismatch()
     {
         $coll = new RouteCollection();
-        $coll->add('foo', new Route('/', array(), array(), array(), null, array('https'), array('POST')));
+        $coll->add('foo', new Route('/', [], [], [], null, ['https'], ['POST']));
 
         $matcher = $this->getUrlMatcher($coll);
         $matcher->match('/');
@@ -609,54 +609,54 @@ class UrlMatcherTest extends TestCase
         $coll->add('c', new Route('/a{a}'));
         $coll->add('d', (new Route('/b{a}'))->setCondition('false'));
         $coll->add('e', (new Route('/{b}{a}'))->setCondition('false'));
-        $coll->add('f', (new Route('/{b}{a}'))->setRequirements(array('b' => 'b')));
+        $coll->add('f', (new Route('/{b}{a}'))->setRequirements(['b' => 'b']));
 
         $matcher = $this->getUrlMatcher($coll);
-        $this->assertEquals(array('_route' => 'c', 'a' => 'a'), $matcher->match('/aa'));
-        $this->assertEquals(array('_route' => 'f', 'b' => 'b', 'a' => 'a'), $matcher->match('/ba'));
+        $this->assertEquals(['_route' => 'c', 'a' => 'a'], $matcher->match('/aa'));
+        $this->assertEquals(['_route' => 'f', 'b' => 'b', 'a' => 'a'], $matcher->match('/ba'));
     }
 
     public function testUnicodeRoute()
     {
         $coll = new RouteCollection();
-        $coll->add('a', new Route('/{a}', array(), array('a' => '.'), array('utf8' => false)));
-        $coll->add('b', new Route('/{a}', array(), array('a' => '.'), array('utf8' => true)));
+        $coll->add('a', new Route('/{a}', [], ['a' => '.'], ['utf8' => false]));
+        $coll->add('b', new Route('/{a}', [], ['a' => '.'], ['utf8' => true]));
 
         $matcher = $this->getUrlMatcher($coll);
-        $this->assertEquals(array('_route' => 'b', 'a' => 'é'), $matcher->match('/é'));
+        $this->assertEquals(['_route' => 'b', 'a' => 'é'], $matcher->match('/é'));
     }
 
     public function testRequirementWithCapturingGroup()
     {
         $coll = new RouteCollection();
-        $coll->add('a', new Route('/{a}/{b}', array(), array('a' => '(a|b)')));
+        $coll->add('a', new Route('/{a}/{b}', [], ['a' => '(a|b)']));
 
         $matcher = $this->getUrlMatcher($coll);
-        $this->assertEquals(array('_route' => 'a', 'a' => 'a', 'b' => 'b'), $matcher->match('/a/b'));
+        $this->assertEquals(['_route' => 'a', 'a' => 'a', 'b' => 'b'], $matcher->match('/a/b'));
     }
 
     public function testDotAllWithCatchAll()
     {
         $coll = new RouteCollection();
-        $coll->add('a', new Route('/{id}.html', array(), array('id' => '.+')));
-        $coll->add('b', new Route('/{all}', array(), array('all' => '.+')));
+        $coll->add('a', new Route('/{id}.html', [], ['id' => '.+']));
+        $coll->add('b', new Route('/{all}', [], ['all' => '.+']));
 
         $matcher = $this->getUrlMatcher($coll);
-        $this->assertEquals(array('_route' => 'a', 'id' => 'foo/bar'), $matcher->match('/foo/bar.html'));
+        $this->assertEquals(['_route' => 'a', 'id' => 'foo/bar'], $matcher->match('/foo/bar.html'));
     }
 
     public function testHostPattern()
     {
         $coll = new RouteCollection();
-        $coll->add('a', new Route('/{app}/{action}/{unused}', array(), array(), array(), '{host}'));
+        $coll->add('a', new Route('/{app}/{action}/{unused}', [], [], [], '{host}'));
 
-        $expected = array(
+        $expected = [
             '_route' => 'a',
             'app' => 'an_app',
             'action' => 'an_action',
             'unused' => 'unused',
             'host' => 'foo',
-        );
+        ];
         $matcher = $this->getUrlMatcher($coll, new RequestContext('', 'GET', 'foo'));
         $this->assertEquals($expected, $matcher->match('/an_app/an_action/unused'));
     }
@@ -664,8 +664,8 @@ class UrlMatcherTest extends TestCase
     public function testUtf8Prefix()
     {
         $coll = new RouteCollection();
-        $coll->add('a', new Route('/é{foo}', array(), array(), array('utf8' => true)));
-        $coll->add('b', new Route('/è{bar}', array(), array(), array('utf8' => true)));
+        $coll->add('a', new Route('/é{foo}', [], [], ['utf8' => true]));
+        $coll->add('b', new Route('/è{bar}', [], [], ['utf8' => true]));
 
         $matcher = $this->getUrlMatcher($coll);
         $this->assertEquals('a', $matcher->match('/éo')['_route']);
@@ -674,9 +674,9 @@ class UrlMatcherTest extends TestCase
     public function testUtf8AndMethodMatching()
     {
         $coll = new RouteCollection();
-        $coll->add('a', new Route('/admin/api/list/{shortClassName}/{id}.{_format}', array(), array(), array('utf8' => true), '', array(), array('PUT')));
-        $coll->add('b', new Route('/admin/api/package.{_format}', array(), array(), array(), '', array(), array('POST')));
-        $coll->add('c', new Route('/admin/api/package.{_format}', array('_format' => 'json'), array(), array(), '', array(), array('GET')));
+        $coll->add('a', new Route('/admin/api/list/{shortClassName}/{id}.{_format}', [], [], ['utf8' => true], '', [], ['PUT']));
+        $coll->add('b', new Route('/admin/api/package.{_format}', [], [], [], '', [], ['POST']));
+        $coll->add('c', new Route('/admin/api/package.{_format}', ['_format' => 'json'], [], [], '', [], ['GET']));
 
         $matcher = $this->getUrlMatcher($coll);
         $this->assertEquals('c', $matcher->match('/admin/api/package.json')['_route']);
@@ -685,7 +685,7 @@ class UrlMatcherTest extends TestCase
     public function testHostWithDot()
     {
         $coll = new RouteCollection();
-        $coll->add('a', new Route('/foo', array(), array(), array(), 'foo.example.com'));
+        $coll->add('a', new Route('/foo', [], [], [], 'foo.example.com'));
         $coll->add('b', new Route('/bar/{baz}'));
 
         $matcher = $this->getUrlMatcher($coll);
@@ -695,7 +695,7 @@ class UrlMatcherTest extends TestCase
     public function testSlashVariant()
     {
         $coll = new RouteCollection();
-        $coll->add('a', new Route('/foo/{bar}', array(), array('bar' => '.*')));
+        $coll->add('a', new Route('/foo/{bar}', [], ['bar' => '.*']));
 
         $matcher = $this->getUrlMatcher($coll);
         $this->assertEquals('a', $matcher->match('/foo/')['_route']);
@@ -704,54 +704,54 @@ class UrlMatcherTest extends TestCase
     public function testSlashVariant2()
     {
         $coll = new RouteCollection();
-        $coll->add('a', new Route('/foo/{bar}/', array(), array('bar' => '.*')));
+        $coll->add('a', new Route('/foo/{bar}/', [], ['bar' => '.*']));
 
         $matcher = $this->getUrlMatcher($coll);
-        $this->assertEquals(array('_route' => 'a', 'bar' => 'bar'), $matcher->match('/foo/bar/'));
+        $this->assertEquals(['_route' => 'a', 'bar' => 'bar'], $matcher->match('/foo/bar/'));
     }
 
     public function testSlashWithVerb()
     {
         $coll = new RouteCollection();
-        $coll->add('a', new Route('/{foo}', array(), array(), array(), '', array(), array('put', 'delete')));
+        $coll->add('a', new Route('/{foo}', [], [], [], '', [], ['put', 'delete']));
         $coll->add('b', new Route('/bar/'));
 
         $matcher = $this->getUrlMatcher($coll);
-        $this->assertSame(array('_route' => 'b'), $matcher->match('/bar/'));
+        $this->assertSame(['_route' => 'b'], $matcher->match('/bar/'));
 
         $coll = new RouteCollection();
-        $coll->add('a', new Route('/dav/{foo<.*>?}', array(), array(), array(), '', array(), array('GET', 'OPTIONS')));
+        $coll->add('a', new Route('/dav/{foo<.*>?}', [], [], [], '', [], ['GET', 'OPTIONS']));
 
         $matcher = $this->getUrlMatcher($coll, new RequestContext('', 'OPTIONS'));
-        $expected = array(
+        $expected = [
             '_route' => 'a',
             'foo' => 'files/bar',
-        );
+        ];
         $this->assertEquals($expected, $matcher->match('/dav/files/bar/'));
     }
 
     public function testSlashAndVerbPrecedence()
     {
         $coll = new RouteCollection();
-        $coll->add('a', new Route('/api/customers/{customerId}/contactpersons/', array(), array(), array(), '', array(), array('post')));
-        $coll->add('b', new Route('/api/customers/{customerId}/contactpersons', array(), array(), array(), '', array(), array('get')));
+        $coll->add('a', new Route('/api/customers/{customerId}/contactpersons/', [], [], [], '', [], ['post']));
+        $coll->add('b', new Route('/api/customers/{customerId}/contactpersons', [], [], [], '', [], ['get']));
 
         $matcher = $this->getUrlMatcher($coll);
-        $expected = array(
+        $expected = [
             '_route' => 'b',
             'customerId' => '123',
-        );
+        ];
         $this->assertEquals($expected, $matcher->match('/api/customers/123/contactpersons'));
 
         $coll = new RouteCollection();
-        $coll->add('a', new Route('/api/customers/{customerId}/contactpersons/', array(), array(), array(), '', array(), array('get')));
-        $coll->add('b', new Route('/api/customers/{customerId}/contactpersons', array(), array(), array(), '', array(), array('post')));
+        $coll->add('a', new Route('/api/customers/{customerId}/contactpersons/', [], [], [], '', [], ['get']));
+        $coll->add('b', new Route('/api/customers/{customerId}/contactpersons', [], [], [], '', [], ['post']));
 
         $matcher = $this->getUrlMatcher($coll, new RequestContext('', 'POST'));
-        $expected = array(
+        $expected = [
             '_route' => 'b',
             'customerId' => '123',
-        );
+        ];
         $this->assertEquals($expected, $matcher->match('/api/customers/123/contactpersons'));
     }
 

src/Symfony/Component/Serializer/Encoder/CsvEncoder.php

@@ -31,32 +31,32 @@ class CsvEncoder implements EncoderInterface, DecoderInterface
     const AS_COLLECTION_KEY = 'as_collection';
     const NO_HEADERS_KEY = 'no_headers';
 
-    private $formulasStartCharacters = array('=', '-', '+', '@');
-    private $defaultContext = array(
+    private $formulasStartCharacters = ['=', '-', '+', '@'];
+    private $defaultContext = [
         self::DELIMITER_KEY => ',',
         self::ENCLOSURE_KEY => '"',
         self::ESCAPE_CHAR_KEY => '\\',
         self::ESCAPE_FORMULAS_KEY => false,
-        self::HEADERS_KEY => array(),
+        self::HEADERS_KEY => [],
         self::KEY_SEPARATOR_KEY => '.',
         self::NO_HEADERS_KEY => false,
-    );
+    ];
 
     /**
      * @param array $defaultContext
      */
-    public function __construct($defaultContext = array(), string $enclosure = '"', string $escapeChar = '\\', string $keySeparator = '.', bool $escapeFormulas = false)
+    public function __construct($defaultContext = [], string $enclosure = '"', string $escapeChar = '\\', string $keySeparator = '.', bool $escapeFormulas = false)
     {
         if (!\is_array($defaultContext)) {
             @trigger_error('Passing configuration options directly to the constructor is deprecated since Symfony 4.2, use the default context instead.', E_USER_DEPRECATED);
 
-            $defaultContext = array(
+            $defaultContext = [
                 self::DELIMITER_KEY => (string) $defaultContext,
                 self::ENCLOSURE_KEY => $enclosure,
                 self::ESCAPE_CHAR_KEY => $escapeChar,
                 self::KEY_SEPARATOR_KEY => $keySeparator,
                 self::ESCAPE_FORMULAS_KEY => $escapeFormulas,
-            );
+            ];
         }
 
         $this->defaultContext = array_merge($this->defaultContext, $defaultContext);
@@ -65,20 +65,20 @@ class CsvEncoder implements EncoderInterface, DecoderInterface
     /**
      * {@inheritdoc}
      */
-    public function encode($data, $format, array $context = array())
+    public function encode($data, $format, array $context = [])
     {
         $handle = fopen('php://temp,', 'w+');
 
         if (!\is_array($data)) {
-            $data = array(array($data));
+            $data = [[$data]];
         } elseif (empty($data)) {
-            $data = array(array());
+            $data = [[]];
         } else {
             // Sequential arrays of arrays are considered as collections
             $i = 0;
             foreach ($data as $key => $value) {
                 if ($i !== $key || !\is_array($value)) {
-                    $data = array($data);
+                    $data = [$data];
                     break;
                 }
 
@@ -89,7 +89,7 @@ class CsvEncoder implements EncoderInterface, DecoderInterface
         list($delimiter, $enclosure, $escapeChar, $keySeparator, $headers, $escapeFormulas) = $this->getCsvOptions($context);
 
         foreach ($data as &$value) {
-            $flattened = array();
+            $flattened = [];
             $this->flatten($value, $flattened, $keySeparator, '', $escapeFormulas);
             $value = $flattened;
         }
@@ -124,7 +124,7 @@ class CsvEncoder implements EncoderInterface, DecoderInterface
     /**
      * {@inheritdoc}
      */
-    public function decode($data, $format, array $context = array())
+    public function decode($data, $format, array $context = [])
     {
         $handle = fopen('php://temp', 'r+');
         fwrite($handle, $data);
@@ -132,8 +132,8 @@ class CsvEncoder implements EncoderInterface, DecoderInterface
 
         $headers = null;
         $nbHeaders = 0;
-        $headerCount = array();
-        $result = array();
+        $headerCount = [];
+        $result = [];
 
         list($delimiter, $enclosure, $escapeChar, $keySeparator) = $this->getCsvOptions($context);
 
@@ -145,7 +145,7 @@ class CsvEncoder implements EncoderInterface, DecoderInterface
 
                 if ($context[self::NO_HEADERS_KEY] ?? false) {
                     for ($i = 0; $i < $nbCols; ++$i) {
-                        $headers[] = array($i);
+                        $headers[] = [$i];
                     }
                     $headerCount = array_fill(0, $nbCols, 1);
                 } else {
@@ -159,7 +159,7 @@ class CsvEncoder implements EncoderInterface, DecoderInterface
                 }
             }
 
-            $item = array();
+            $item = [];
             for ($i = 0; ($i < $nbCols) && ($i < $nbHeaders); ++$i) {
                 $depth = $headerCount[$i];
                 $arr = &$item;
@@ -172,7 +172,7 @@ class CsvEncoder implements EncoderInterface, DecoderInterface
                     }
 
                     if (!isset($arr[$headers[$i][$j]])) {
-                        $arr[$headers[$i][$j]] = array();
+                        $arr[$headers[$i][$j]] = [];
                     }
 
                     $arr = &$arr[$headers[$i][$j]];
@@ -238,7 +238,7 @@ class CsvEncoder implements EncoderInterface, DecoderInterface
             throw new InvalidArgumentException(sprintf('The "%s" context variable must be an array or null, given "%s".', self::HEADERS_KEY, \gettype($headers)));
         }
 
-        return array($delimiter, $enclosure, $escapeChar, $keySeparator, $headers, $escapeFormulas);
+        return [$delimiter, $enclosure, $escapeChar, $keySeparator, $headers, $escapeFormulas];
     }
 
     /**
@@ -246,8 +246,8 @@ class CsvEncoder implements EncoderInterface, DecoderInterface
      */
     private function extractHeaders(array $data)
     {
-        $headers = array();
-        $flippedHeaders = array();
+        $headers = [];
+        $flippedHeaders = [];
 
         foreach ($data as $row) {
             $previousHeader = null;

src/Symfony/Component/Serializer/Tests/Encoder/CsvEncoderTest.php

@@ -316,9 +316,9 @@ a,b
 c,d
 
 CSV
-            , $this->encoder->encode(array(array('a', 'b'), array('c', 'd')), 'csv', array(
+            , $this->encoder->encode([['a', 'b'], ['c', 'd']], 'csv', [
                 CsvEncoder::NO_HEADERS_KEY => true,
-            )));
+            ]));
     }
 
     public function testSupportsDecoding()
@@ -495,13 +495,13 @@ CSV
 
     public function testDecodeWithoutHeader()
     {
-        $this->assertEquals(array(array('a', 'b'), array('c', 'd')), $this->encoder->decode(<<<'CSV'
+        $this->assertEquals([['a', 'b'], ['c', 'd']], $this->encoder->decode(<<<'CSV'
 a,b
 c,d
 
 CSV
-        , 'csv', array(
+        , 'csv', [
             CsvEncoder::NO_HEADERS_KEY => true,
-        )));
+        ]));
     }
 }

src/Symfony/Component/Translation/Loader/XliffFileLoader.php

@@ -104,17 +104,17 @@ class XliffFileLoader implements LoaderInterface
 
                 $catalogue->set((string) $source, $target, $domain);
 
-                $metadata = array(
-                    'file' => array(
+                $metadata = [
+                    'file' => [
                         'original' => (string) $fileAttributes['original'],
-                    ),
-                );
+                    ],
+                ];
                 if ($notes = $this->parseNotesMetadata($translation->note, $encoding)) {
                     $metadata['notes'] = $notes;
                 }
 
                 if (isset($translation->target) && $translation->target->attributes()) {
-                    $metadata['target-attributes'] = array();
+                    $metadata['target-attributes'] = [];
                     foreach ($translation->target->attributes() as $key => $value) {
                         $metadata['target-attributes'][$key] = (string) $value;
                     }
@@ -146,18 +146,18 @@ class XliffFileLoader implements LoaderInterface
 
                 $catalogue->set((string) $source, $target, $domain);
 
-                $metadata = array();
+                $metadata = [];
                 if (isset($segment->target) && $segment->target->attributes()) {
-                    $metadata['target-attributes'] = array();
+                    $metadata['target-attributes'] = [];
                     foreach ($segment->target->attributes() as $key => $value) {
                         $metadata['target-attributes'][$key] = (string) $value;
                     }
                 }
 
                 if (isset($unit->notes)) {
-                    $metadata['notes'] = array();
+                    $metadata['notes'] = [];
                     foreach ($unit->notes->note as $noteNode) {
-                        $note = array();
+                        $note = [];
                         foreach ($noteNode->attributes() as $key => $value) {
                             $note[$key] = (string) $value;
                         }
@@ -185,7 +185,7 @@ class XliffFileLoader implements LoaderInterface
 
     private function parseNotesMetadata(\SimpleXMLElement $noteElement = null, string $encoding = null): array
     {
-        $notes = array();
+        $notes = [];
 
         if (null === $noteElement) {
             return $notes;
@@ -194,7 +194,7 @@ class XliffFileLoader implements LoaderInterface
         /** @var \SimpleXMLElement $xmlNote */
         foreach ($noteElement as $xmlNote) {
             $noteAttributes = $xmlNote->attributes();
-            $note = array('content' => $this->utf8ToCharset((string) $xmlNote, $encoding));
+            $note = ['content' => $this->utf8ToCharset((string) $xmlNote, $encoding)];
             if (isset($noteAttributes['priority'])) {
                 $note['priority'] = (int) $noteAttributes['priority'];
             }

src/Symfony/Component/Translation/Tests/Loader/XliffFileLoaderTest.php

@@ -24,8 +24,8 @@ class XliffFileLoaderTest extends TestCase
         $catalogue = $loader->load($resource, 'en', 'domain1');
 
         $this->assertEquals('en', $catalogue->getLocale());
-        $this->assertEquals(array(new FileResource($resource)), $catalogue->getResources());
-        $this->assertSame(array(), libxml_get_errors());
+        $this->assertEquals([new FileResource($resource)], $catalogue->getResources());
+        $this->assertSame([], libxml_get_errors());
         $this->assertContainsOnly('string', $catalogue->all('domain1'));
     }
 
@@ -33,15 +33,15 @@ class XliffFileLoaderTest extends TestCase
     {
         $internalErrors = libxml_use_internal_errors(true);
 
-        $this->assertSame(array(), libxml_get_errors());
+        $this->assertSame([], libxml_get_errors());
 
         $loader = new XliffFileLoader();
         $resource = __DIR__.'/../fixtures/resources.xlf';
         $catalogue = $loader->load($resource, 'en', 'domain1');
 
         $this->assertEquals('en', $catalogue->getLocale());
-        $this->assertEquals(array(new FileResource($resource)), $catalogue->getResources());
-        $this->assertSame(array(), libxml_get_errors());
+        $this->assertEquals([new FileResource($resource)], $catalogue->getResources());
+        $this->assertSame([], libxml_get_errors());
 
         libxml_clear_errors();
         libxml_use_internal_errors($internalErrors);
@@ -58,7 +58,7 @@ class XliffFileLoaderTest extends TestCase
         libxml_disable_entity_loader($disableEntities);
 
         $this->assertEquals('en', $catalogue->getLocale());
-        $this->assertEquals(array(new FileResource($resource)), $catalogue->getResources());
+        $this->assertEquals([new FileResource($resource)], $catalogue->getResources());
     }
 
     public function testLoadWithResname()
@@ -66,7 +66,7 @@ class XliffFileLoaderTest extends TestCase
         $loader = new XliffFileLoader();
         $catalogue = $loader->load(__DIR__.'/../fixtures/resname.xlf', 'en', 'domain1');
 
-        $this->assertEquals(array('foo' => 'bar', 'bar' => 'baz', 'baz' => 'foo', 'qux' => 'qux source'), $catalogue->all('domain1'));
+        $this->assertEquals(['foo' => 'bar', 'bar' => 'baz', 'baz' => 'foo', 'qux' => 'qux source'], $catalogue->all('domain1'));
     }
 
     public function testIncompleteResource()
@@ -74,7 +74,7 @@ class XliffFileLoaderTest extends TestCase
         $loader = new XliffFileLoader();
         $catalogue = $loader->load(__DIR__.'/../fixtures/resources.xlf', 'en', 'domain1');
 
-        $this->assertEquals(array('foo' => 'bar', 'extra' => 'extra', 'key' => '', 'test' => 'with'), $catalogue->all('domain1'));
+        $this->assertEquals(['foo' => 'bar', 'extra' => 'extra', 'key' => '', 'test' => 'with'], $catalogue->all('domain1'));
     }
 
     public function testEncoding()
@@ -85,13 +85,13 @@ class XliffFileLoaderTest extends TestCase
         $this->assertEquals(utf8_decode('föö'), $catalogue->get('bar', 'domain1'));
         $this->assertEquals(utf8_decode('bär'), $catalogue->get('foo', 'domain1'));
         $this->assertEquals(
-            array(
-                'notes' => array(array('content' => utf8_decode('bäz'))),
+            [
+                'notes' => [['content' => utf8_decode('bäz')]],
                 'id' => '1',
-                'file' => array(
+                'file' => [
                     'original' => 'file.ext',
-                ),
-            ),
+                ],
+            ],
             $catalogue->getMetadata('foo', 'domain1')
         );
     }
@@ -174,38 +174,38 @@ class XliffFileLoaderTest extends TestCase
         $catalogue = $loader->load(__DIR__.'/../fixtures/withnote.xlf', 'en', 'domain1');
 
         $this->assertEquals(
-            array(
-                'notes' => array(array('priority' => 1, 'content' => 'foo')),
+            [
+                'notes' => [['priority' => 1, 'content' => 'foo']],
                 'id' => '1',
-                'file' => array(
+                'file' => [
                     'original' => 'file.ext',
-                ),
-            ),
+                ],
+            ],
             $catalogue->getMetadata('foo', 'domain1')
         );
         // message without target
         $this->assertEquals(
-            array(
-                'notes' => array(array('content' => 'bar', 'from' => 'foo')),
+            [
+                'notes' => [['content' => 'bar', 'from' => 'foo']],
                 'id' => '2',
-                'file' => array(
+                'file' => [
                     'original' => 'file.ext',
-                ),
-            ),
+                ],
+            ],
             $catalogue->getMetadata('extra', 'domain1')
         );
         // message with empty target
         $this->assertEquals(
-            array(
-                'notes' => array(
-                    array('content' => 'baz'),
-                    array('priority' => 2, 'from' => 'bar', 'content' => 'qux'),
-                ),
+            [
+                'notes' => [
+                    ['content' => 'baz'],
+                    ['priority' => 2, 'from' => 'bar', 'content' => 'qux'],
+                ],
                 'id' => '123',
-                'file' => array(
+                'file' => [
                     'original' => 'file.ext',
-                ),
-            ),
+                ],
+            ],
             $catalogue->getMetadata('key', 'domain1')
         );
     }
@@ -217,15 +217,15 @@ class XliffFileLoaderTest extends TestCase
         $catalogue = $loader->load($resource, 'en', 'domain1');
 
         $this->assertEquals('en', $catalogue->getLocale());
-        $this->assertEquals(array(new FileResource($resource)), $catalogue->getResources());
-        $this->assertSame(array(), libxml_get_errors());
+        $this->assertEquals([new FileResource($resource)], $catalogue->getResources());
+        $this->assertSame([], libxml_get_errors());
 
         $domains = $catalogue->all();
         $this->assertCount(3, $domains['domain1']);
         $this->assertContainsOnly('string', $catalogue->all('domain1'));
 
         // target attributes
-        $this->assertEquals(array('target-attributes' => array('order' => 1)), $catalogue->getMetadata('bar', 'domain1'));
+        $this->assertEquals(['target-attributes' => ['order' => 1]], $catalogue->getMetadata('bar', 'domain1'));
     }
 
     public function testLoadVersion2WithNoteMeta()
@@ -235,8 +235,8 @@ class XliffFileLoaderTest extends TestCase
         $catalogue = $loader->load($resource, 'en', 'domain1');
 
         $this->assertEquals('en', $catalogue->getLocale());
-        $this->assertEquals(array(new FileResource($resource)), $catalogue->getResources());
-        $this->assertSame(array(), libxml_get_errors());
+        $this->assertEquals([new FileResource($resource)], $catalogue->getResources());
+        $this->assertSame([], libxml_get_errors());
 
         // test for "foo" metadata
         $this->assertTrue($catalogue->defines('foo', 'domain1'));
@@ -275,7 +275,7 @@ class XliffFileLoaderTest extends TestCase
         $catalog = $loader->load($resource, 'en', 'domain1');
 
         $this->assertSame('en', $catalog->getLocale());
-        $this->assertEquals(array(new FileResource($resource)), $catalog->getResources());
+        $this->assertEquals([new FileResource($resource)], $catalog->getResources());
         $this->assertFalse(libxml_get_last_error());
 
         // test for "foo" metadata
@@ -303,22 +303,22 @@ class XliffFileLoaderTest extends TestCase
         $catalogue = $loader->load(__DIR__.'/../fixtures/resources-multi-files.xlf', 'en', 'domain1');
 
         $this->assertEquals(
-            array(
+            [
                 'id' => '1',
-                'file' => array(
+                'file' => [
                     'original' => 'file.ext',
-                ),
-            ),
+                ],
+            ],
             $catalogue->getMetadata('foo', 'domain1')
         );
         $this->assertEquals(
-            array(
-                'notes' => array(array('content' => 'note')),
+            [
+                'notes' => [['content' => 'note']],
                 'id' => '4',
-                'file' => array(
+                'file' => [
                     'original' => 'otherfile.ext',
-                ),
-            ),
+                ],
+            ],
             $catalogue->getMetadata('test', 'domain1')
         );
     }

src/Symfony/Component/Validator/Constraints/BicValidator.php

@@ -29,7 +29,7 @@ use Symfony\Component\Validator\Exception\UnexpectedValueException;
  */
 class BicValidator extends ConstraintValidator
 {
-    private const BIC_COUNTRY_TO_IBAN_COUNTRY_MAP = array(
+    private const BIC_COUNTRY_TO_IBAN_COUNTRY_MAP = [
         // Reference: https://www.ecbs.org/iban/france-bank-account-number.html
         'GF' => 'FR', // French Guiana
         'PF' => 'FR', // French Polynesia
@@ -46,7 +46,7 @@ class BicValidator extends ConstraintValidator
         'IM' => 'GB', // Isle of Man
         'GG' => 'GB', // Guernsey
         'VG' => 'GB', // British Virgin Islands
-    );
+    ];
 
     private $propertyAccessor;
 

src/Symfony/Component/Validator/Constraints/CardSchemeValidator.php

@@ -27,66 +27,66 @@ use Symfony\Component\Validator\Exception\UnexpectedTypeException;
  */
 class CardSchemeValidator extends ConstraintValidator
 {
-    protected $schemes = array(
+    protected $schemes = [
         // American Express card numbers start with 34 or 37 and have 15 digits.
-        'AMEX' => array(
+        'AMEX' => [
             '/^3[47][0-9]{13}$/',
-        ),
+        ],
         // China UnionPay cards start with 62 and have between 16 and 19 digits.
         // Please note that these cards do not follow Luhn Algorithm as a checksum.
-        'CHINA_UNIONPAY' => array(
+        'CHINA_UNIONPAY' => [
             '/^62[0-9]{14,17}$/',
-        ),
+        ],
         // Diners Club card numbers begin with 300 through 305, 36 or 38. All have 14 digits.
         // There are Diners Club cards that begin with 5 and have 16 digits.
         // These are a joint venture between Diners Club and MasterCard, and should be processed like a MasterCard.
-        'DINERS' => array(
+        'DINERS' => [
             '/^3(?:0[0-5]|[68][0-9])[0-9]{11}$/',
-        ),
+        ],
         // Discover card numbers begin with 6011, 622126 through 622925, 644 through 649 or 65.
         // All have 16 digits.
-        'DISCOVER' => array(
+        'DISCOVER' => [
             '/^6011[0-9]{12}$/',
             '/^64[4-9][0-9]{13}$/',
             '/^65[0-9]{14}$/',
             '/^622(12[6-9]|1[3-9][0-9]|[2-8][0-9][0-9]|91[0-9]|92[0-5])[0-9]{10}$/',
-        ),
+        ],
         // InstaPayment cards begin with 637 through 639 and have 16 digits.
-        'INSTAPAYMENT' => array(
+        'INSTAPAYMENT' => [
             '/^63[7-9][0-9]{13}$/',
-        ),
+        ],
         // JCB cards beginning with 2131 or 1800 have 15 digits.
         // JCB cards beginning with 35 have 16 digits.
-        'JCB' => array(
+        'JCB' => [
             '/^(?:2131|1800|35[0-9]{3})[0-9]{11}$/',
-        ),
+        ],
         // Laser cards begin with either 6304, 6706, 6709 or 6771 and have between 16 and 19 digits.
-        'LASER' => array(
+        'LASER' => [
             '/^(6304|670[69]|6771)[0-9]{12,15}$/',
-        ),
+        ],
         // Maestro international cards begin with 675900..675999 and have between 12 and 19 digits.
         // Maestro UK cards begin with either 500000..509999 or 560000..699999 and have between 12 and 19 digits.
-        'MAESTRO' => array(
+        'MAESTRO' => [
             '/^(6759[0-9]{2})[0-9]{6,13}$/',
             '/^(50[0-9]{4})[0-9]{6,13}$/',
             '/^5[6-9][0-9]{10,17}$/',
             '/^6[0-9]{11,18}$/',
-        ),
+        ],
         // All MasterCard numbers start with the numbers 51 through 55. All have 16 digits.
         // October 2016 MasterCard numbers can also start with 222100 through 272099.
-        'MASTERCARD' => array(
+        'MASTERCARD' => [
             '/^5[1-5][0-9]{14}$/',
             '/^2(22[1-9][0-9]{12}|2[3-9][0-9]{13}|[3-6][0-9]{14}|7[0-1][0-9]{13}|720[0-9]{12})$/',
-        ),
+        ],
         // All UATP card numbers start with a 1 and have a length of 15 digits.
-        'UATP' => array(
+        'UATP' => [
             '/^1[0-9]{14}$/',
-        ),
+        ],
         // All Visa card numbers start with a 4 and have a length of 13, 16, or 19 digits.
-        'VISA' => array(
+        'VISA' => [
             '/^4([0-9]{12}|[0-9]{15}|[0-9]{18})$/',
-        ),
-    );
+        ],
+    ];
 
     /**
      * Validates a creditcard belongs to a specified scheme.

src/Symfony/Component/Validator/Tests/Constraints/BicValidatorTest.php

@@ -39,7 +39,7 @@ class BicValidatorTest extends ConstraintValidatorTestCase
 
     public function testValidComparisonToPropertyPath()
     {
-        $constraint = new Bic(array('ibanPropertyPath' => 'value'));
+        $constraint = new Bic(['ibanPropertyPath' => 'value']);
 
         $object = new BicComparisonTestClass('FR14 2004 1010 0505 0001 3M02 606');
 
@@ -52,9 +52,9 @@ class BicValidatorTest extends ConstraintValidatorTestCase
 
     public function testValidComparisonToPropertyPathOnArray()
     {
-        $constraint = new Bic(array('ibanPropertyPath' => '[root][value]'));
+        $constraint = new Bic(['ibanPropertyPath' => '[root][value]']);
 
-        $this->setObject(array('root' => array('value' => 'FR14 2004 1010 0505 0001 3M02 606')));
+        $this->setObject(['root' => ['value' => 'FR14 2004 1010 0505 0001 3M02 606']]);
 
         $this->validator->validate('SOGEFRPP', $constraint);
 
@@ -63,7 +63,7 @@ class BicValidatorTest extends ConstraintValidatorTestCase
 
     public function testInvalidComparisonToPropertyPath()
     {
-        $constraint = new Bic(array('ibanPropertyPath' => 'value'));
+        $constraint = new Bic(['ibanPropertyPath' => 'value']);
         $constraint->ibanMessage = 'Constraint Message';
 
         $object = new BicComparisonTestClass('FR14 2004 1010 0505 0001 3M02 606');
@@ -81,7 +81,7 @@ class BicValidatorTest extends ConstraintValidatorTestCase
 
     public function testValidComparisonToValue()
     {
-        $constraint = new Bic(array('iban' => 'FR14 2004 1010 0505 0001 3M02 606'));
+        $constraint = new Bic(['iban' => 'FR14 2004 1010 0505 0001 3M02 606']);
         $constraint->ibanMessage = 'Constraint Message';
 
         $this->validator->validate('SOGEFRPP', $constraint);
@@ -91,7 +91,7 @@ class BicValidatorTest extends ConstraintValidatorTestCase
 
     public function testInvalidComparisonToValue()
     {
-        $constraint = new Bic(array('iban' => 'FR14 2004 1010 0505 0001 3M02 606'));
+        $constraint = new Bic(['iban' => 'FR14 2004 1010 0505 0001 3M02 606']);
         $constraint->ibanMessage = 'Constraint Message';
 
         $this->validator->validate('UNCRIT2B912', $constraint);
@@ -105,7 +105,7 @@ class BicValidatorTest extends ConstraintValidatorTestCase
 
     public function testNoViolationOnNullObjectWithPropertyPath()
     {
-        $constraint = new Bic(array('ibanPropertyPath' => 'propertyPath'));
+        $constraint = new Bic(['ibanPropertyPath' => 'propertyPath']);
 
         $this->setObject(null);
 
@@ -120,15 +120,15 @@ class BicValidatorTest extends ConstraintValidatorTestCase
      */
     public function testThrowsConstraintExceptionIfBothValueAndPropertyPath()
     {
-        new Bic(array(
+        new Bic([
             'iban' => 'value',
             'ibanPropertyPath' => 'propertyPath',
-        ));
+        ]);
     }
 
     public function testInvalidValuePath()
     {
-        $constraint = new Bic(array('ibanPropertyPath' => 'foo'));
+        $constraint = new Bic(['ibanPropertyPath' => 'foo']);
 
         if (method_exists($this, 'expectException')) {
             $this->expectException(ConstraintDefinitionException::class);
@@ -230,7 +230,7 @@ class BicValidatorTest extends ConstraintValidatorTestCase
      */
     public function testValidBicSpecialCases(string $bic, string $iban)
     {
-        $constraint = new Bic(array('iban' => $iban));
+        $constraint = new Bic(['iban' => $iban]);
         $this->validator->validate($bic, $constraint);
 
         $this->assertNoViolation();
@@ -239,22 +239,22 @@ class BicValidatorTest extends ConstraintValidatorTestCase
     public function getValidBicSpecialCases()
     {
         // FR related special cases
-        yield array('BNPAGFGX', 'FR14 2004 1010 0505 0001 3M02 606');
-        yield array('BNPAPFGX', 'FR14 2004 1010 0505 0001 3M02 606');
-        yield array('BNPATFGX', 'FR14 2004 1010 0505 0001 3M02 606');
-        yield array('BNPAGPGX', 'FR14 2004 1010 0505 0001 3M02 606');
-        yield array('BNPAMQGX', 'FR14 2004 1010 0505 0001 3M02 606');
-        yield array('BNPAYTGX', 'FR14 2004 1010 0505 0001 3M02 606');
-        yield array('BNPANCGX', 'FR14 2004 1010 0505 0001 3M02 606');
-        yield array('BNPAREGX', 'FR14 2004 1010 0505 0001 3M02 606');
-        yield array('BNPAPMGX', 'FR14 2004 1010 0505 0001 3M02 606');
-        yield array('BNPAWFGX', 'FR14 2004 1010 0505 0001 3M02 606');
+        yield ['BNPAGFGX', 'FR14 2004 1010 0505 0001 3M02 606'];
+        yield ['BNPAPFGX', 'FR14 2004 1010 0505 0001 3M02 606'];
+        yield ['BNPATFGX', 'FR14 2004 1010 0505 0001 3M02 606'];
+        yield ['BNPAGPGX', 'FR14 2004 1010 0505 0001 3M02 606'];
+        yield ['BNPAMQGX', 'FR14 2004 1010 0505 0001 3M02 606'];
+        yield ['BNPAYTGX', 'FR14 2004 1010 0505 0001 3M02 606'];
+        yield ['BNPANCGX', 'FR14 2004 1010 0505 0001 3M02 606'];
+        yield ['BNPAREGX', 'FR14 2004 1010 0505 0001 3M02 606'];
+        yield ['BNPAPMGX', 'FR14 2004 1010 0505 0001 3M02 606'];
+        yield ['BNPAWFGX', 'FR14 2004 1010 0505 0001 3M02 606'];
 
         // GB related special cases
-        yield array('BARCJESA', 'GB12 CPBK 0892 9965 0449 911');
-        yield array('BARCIMSA', 'GB12 CPBK 0892 9965 0449 911');
-        yield array('BARCGGSA', 'GB12 CPBK 0892 9965 0449 911');
-        yield array('BARCVGSA', 'GB12 CPBK 0892 9965 0449 911');
+        yield ['BARCJESA', 'GB12 CPBK 0892 9965 0449 911'];
+        yield ['BARCIMSA', 'GB12 CPBK 0892 9965 0449 911'];
+        yield ['BARCGGSA', 'GB12 CPBK 0892 9965 0449 911'];
+        yield ['BARCVGSA', 'GB12 CPBK 0892 9965 0449 911'];
     }
 }
 

src/Symfony/Component/Validator/Tests/Constraints/CardSchemeValidatorTest.php

@@ -24,14 +24,14 @@ class CardSchemeValidatorTest extends ConstraintValidatorTestCase
 
     public function testNullIsValid()
     {
-        $this->validator->validate(null, new CardScheme(array('schemes' => array())));
+        $this->validator->validate(null, new CardScheme(['schemes' => []]));
 
         $this->assertNoViolation();
     }
 
     public function testEmptyStringIsValid()
     {
-        $this->validator->validate('', new CardScheme(array('schemes' => array())));
+        $this->validator->validate('', new CardScheme(['schemes' => []]));
 
         $this->assertNoViolation();
     }
@@ -41,7 +41,7 @@ class CardSchemeValidatorTest extends ConstraintValidatorTestCase
      */
     public function testValidNumbers($scheme, $number)
     {
-        $this->validator->validate($number, new CardScheme(array('schemes' => $scheme)));
+        $this->validator->validate($number, new CardScheme(['schemes' => $scheme]));
 
         $this->assertNoViolation();
     }
@@ -51,10 +51,10 @@ class CardSchemeValidatorTest extends ConstraintValidatorTestCase
      */
     public function testInvalidNumbers($scheme, $number, $code)
     {
-        $constraint = new CardScheme(array(
+        $constraint = new CardScheme([
             'schemes' => $scheme,
             'message' => 'myMessage',
-        ));
+        ]);
 
         $this->validator->validate($number, $constraint);
 
@@ -66,75 +66,75 @@ class CardSchemeValidatorTest extends ConstraintValidatorTestCase
 
     public function getValidNumbers()
     {
-        return array(
-            array('AMEX', '378282246310005'),
-            array('AMEX', '371449635398431'),
-            array('AMEX', '378734493671000'),
-            array('AMEX', '347298508610146'),
-            array('CHINA_UNIONPAY', '6228888888888888'),
-            array('CHINA_UNIONPAY', '62288888888888888'),
-            array('CHINA_UNIONPAY', '622888888888888888'),
-            array('CHINA_UNIONPAY', '6228888888888888888'),
-            array('DINERS', '30569309025904'),
-            array('DINERS', '36088894118515'),
-            array('DINERS', '38520000023237'),
-            array('DISCOVER', '6011111111111117'),
-            array('DISCOVER', '6011000990139424'),
-            array('INSTAPAYMENT', '6372476031350068'),
-            array('INSTAPAYMENT', '6385537775789749'),
-            array('INSTAPAYMENT', '6393440808445746'),
-            array('JCB', '3530111333300000'),
-            array('JCB', '3566002020360505'),
-            array('JCB', '213112345678901'),
-            array('JCB', '180012345678901'),
-            array('LASER', '6304678107004080'),
-            array('LASER', '6706440607428128629'),
-            array('LASER', '6771656738314582216'),
-            array('MAESTRO', '6759744069209'),
-            array('MAESTRO', '5020507657408074712'),
-            array('MAESTRO', '5612559223580173965'),
-            array('MAESTRO', '6759744069209'),
-            array('MAESTRO', '6594371785970435599'),
-            array('MASTERCARD', '5555555555554444'),
-            array('MASTERCARD', '5105105105105100'),
-            array('MASTERCARD', '2221005555554444'),
-            array('MASTERCARD', '2230000000000000'),
-            array('MASTERCARD', '2300000000000000'),
-            array('MASTERCARD', '2699999999999999'),
-            array('MASTERCARD', '2709999999999999'),
-            array('MASTERCARD', '2720995105105100'),
-            array('UATP', '110165309696173'),
-            array('VISA', '4111111111111111'),
-            array('VISA', '4012888888881881'),
-            array('VISA', '4222222222222'),
-            array('VISA', '4917610000000000003'),
-            array(array('AMEX', 'VISA'), '4111111111111111'),
-            array(array('AMEX', 'VISA'), '378282246310005'),
-            array(array('JCB', 'MASTERCARD'), '5105105105105100'),
-            array(array('VISA', 'MASTERCARD'), '5105105105105100'),
-        );
+        return [
+            ['AMEX', '378282246310005'],
+            ['AMEX', '371449635398431'],
+            ['AMEX', '378734493671000'],
+            ['AMEX', '347298508610146'],
+            ['CHINA_UNIONPAY', '6228888888888888'],
+            ['CHINA_UNIONPAY', '62288888888888888'],
+            ['CHINA_UNIONPAY', '622888888888888888'],
+            ['CHINA_UNIONPAY', '6228888888888888888'],
+            ['DINERS', '30569309025904'],
+            ['DINERS', '36088894118515'],
+            ['DINERS', '38520000023237'],
+            ['DISCOVER', '6011111111111117'],
+            ['DISCOVER', '6011000990139424'],
+            ['INSTAPAYMENT', '6372476031350068'],
+            ['INSTAPAYMENT', '6385537775789749'],
+            ['INSTAPAYMENT', '6393440808445746'],
+            ['JCB', '3530111333300000'],
+            ['JCB', '3566002020360505'],
+            ['JCB', '213112345678901'],
+            ['JCB', '180012345678901'],
+            ['LASER', '6304678107004080'],
+            ['LASER', '6706440607428128629'],
+            ['LASER', '6771656738314582216'],
+            ['MAESTRO', '6759744069209'],
+            ['MAESTRO', '5020507657408074712'],
+            ['MAESTRO', '5612559223580173965'],
+            ['MAESTRO', '6759744069209'],
+            ['MAESTRO', '6594371785970435599'],
+            ['MASTERCARD', '5555555555554444'],
+            ['MASTERCARD', '5105105105105100'],
+            ['MASTERCARD', '2221005555554444'],
+            ['MASTERCARD', '2230000000000000'],
+            ['MASTERCARD', '2300000000000000'],
+            ['MASTERCARD', '2699999999999999'],
+            ['MASTERCARD', '2709999999999999'],
+            ['MASTERCARD', '2720995105105100'],
+            ['UATP', '110165309696173'],
+            ['VISA', '4111111111111111'],
+            ['VISA', '4012888888881881'],
+            ['VISA', '4222222222222'],
+            ['VISA', '4917610000000000003'],
+            [['AMEX', 'VISA'], '4111111111111111'],
+            [['AMEX', 'VISA'], '378282246310005'],
+            [['JCB', 'MASTERCARD'], '5105105105105100'],
+            [['VISA', 'MASTERCARD'], '5105105105105100'],
+        ];
     }
 
     public function getInvalidNumbers()
     {
-        return array(
-            array('VISA', '42424242424242424242', CardScheme::INVALID_FORMAT_ERROR),
-            array('AMEX', '357298508610146', CardScheme::INVALID_FORMAT_ERROR),
-            array('DINERS', '31569309025904', CardScheme::INVALID_FORMAT_ERROR),
-            array('DINERS', '37088894118515', CardScheme::INVALID_FORMAT_ERROR),
-            array('INSTAPAYMENT', '6313440808445746', CardScheme::INVALID_FORMAT_ERROR),
-            array('CHINA_UNIONPAY', '622888888888888', CardScheme::INVALID_FORMAT_ERROR),
-            array('CHINA_UNIONPAY', '62288888888888888888', CardScheme::INVALID_FORMAT_ERROR),
-            array('AMEX', '30569309025904', CardScheme::INVALID_FORMAT_ERROR), // DINERS number
-            array('AMEX', 'invalid', CardScheme::NOT_NUMERIC_ERROR), // A string
-            array('AMEX', 0, CardScheme::INVALID_FORMAT_ERROR), // a lone number
-            array('AMEX', '0', CardScheme::INVALID_FORMAT_ERROR), // a lone number
-            array('AMEX', '000000000000', CardScheme::INVALID_FORMAT_ERROR), // a lone number
-            array('DINERS', '3056930', CardScheme::INVALID_FORMAT_ERROR), // only first part of the number
-            array('DISCOVER', '1117', CardScheme::INVALID_FORMAT_ERROR), // only last 4 digits
-            array('MASTERCARD', '2721001234567890', CardScheme::INVALID_FORMAT_ERROR), // Not assigned yet
-            array('MASTERCARD', '2220991234567890', CardScheme::INVALID_FORMAT_ERROR), // Not assigned yet
-            array('UATP', '11016530969617', CardScheme::INVALID_FORMAT_ERROR), // invalid length
-        );
+        return [
+            ['VISA', '42424242424242424242', CardScheme::INVALID_FORMAT_ERROR],
+            ['AMEX', '357298508610146', CardScheme::INVALID_FORMAT_ERROR],
+            ['DINERS', '31569309025904', CardScheme::INVALID_FORMAT_ERROR],
+            ['DINERS', '37088894118515', CardScheme::INVALID_FORMAT_ERROR],
+            ['INSTAPAYMENT', '6313440808445746', CardScheme::INVALID_FORMAT_ERROR],
+            ['CHINA_UNIONPAY', '622888888888888', CardScheme::INVALID_FORMAT_ERROR],
+            ['CHINA_UNIONPAY', '62288888888888888888', CardScheme::INVALID_FORMAT_ERROR],
+            ['AMEX', '30569309025904', CardScheme::INVALID_FORMAT_ERROR], // DINERS number
+            ['AMEX', 'invalid', CardScheme::NOT_NUMERIC_ERROR], // A string
+            ['AMEX', 0, CardScheme::INVALID_FORMAT_ERROR], // a lone number
+            ['AMEX', '0', CardScheme::INVALID_FORMAT_ERROR], // a lone number
+            ['AMEX', '000000000000', CardScheme::INVALID_FORMAT_ERROR], // a lone number
+            ['DINERS', '3056930', CardScheme::INVALID_FORMAT_ERROR], // only first part of the number
+            ['DISCOVER', '1117', CardScheme::INVALID_FORMAT_ERROR], // only last 4 digits
+            ['MASTERCARD', '2721001234567890', CardScheme::INVALID_FORMAT_ERROR], // Not assigned yet
+            ['MASTERCARD', '2220991234567890', CardScheme::INVALID_FORMAT_ERROR], // Not assigned yet
+            ['UATP', '11016530969617', CardScheme::INVALID_FORMAT_ERROR], // invalid length
+        ];
     }
 }

src/Symfony/Component/Validator/Tests/Constraints/RegexValidatorTest.php

@@ -24,14 +24,14 @@ class RegexValidatorTest extends ConstraintValidatorTestCase
 
     public function testNullIsValid()
     {
-        $this->validator->validate(null, new Regex(array('pattern' => '/^[0-9]+$/')));
+        $this->validator->validate(null, new Regex(['pattern' => '/^[0-9]+$/']));
 
         $this->assertNoViolation();
     }
 
     public function testEmptyStringIsValid()
     {
-        $this->validator->validate('', new Regex(array('pattern' => '/^[0-9]+$/')));
+        $this->validator->validate('', new Regex(['pattern' => '/^[0-9]+$/']));
 
         $this->assertNoViolation();
     }
@@ -41,7 +41,7 @@ class RegexValidatorTest extends ConstraintValidatorTestCase
      */
     public function testExpectsStringCompatibleType()
     {
-        $this->validator->validate(new \stdClass(), new Regex(array('pattern' => '/^[0-9]+$/')));
+        $this->validator->validate(new \stdClass(), new Regex(['pattern' => '/^[0-9]+$/']));
     }
 
     /**
@@ -49,7 +49,7 @@ class RegexValidatorTest extends ConstraintValidatorTestCase
      */
     public function testValidValues($value)
     {
-        $constraint = new Regex(array('pattern' => '/^[0-9]+$/'));
+        $constraint = new Regex(['pattern' => '/^[0-9]+$/']);
         $this->validator->validate($value, $constraint);
 
         $this->assertNoViolation();
@@ -57,18 +57,18 @@ class RegexValidatorTest extends ConstraintValidatorTestCase
 
     public function getValidValues()
     {
-        return array(
-            array(0),
-            array('0'),
-            array('090909'),
-            array(90909),
-            array(new class() {
+        return [
+            [0],
+            ['0'],
+            ['090909'],
+            [90909],
+            [new class() {
                 public function __toString()
                 {
                     return '090909';
                 }
-            }),
-        );
+            }],
+        ];
     }
 
     /**
@@ -76,10 +76,10 @@ class RegexValidatorTest extends ConstraintValidatorTestCase
      */
     public function testInvalidValues($value)
     {
-        $constraint = new Regex(array(
+        $constraint = new Regex([
             'pattern' => '/^[0-9]+$/',
             'message' => 'myMessage',
-        ));
+        ]);
 
         $this->validator->validate($value, $constraint);
 
@@ -91,15 +91,15 @@ class RegexValidatorTest extends ConstraintValidatorTestCase
 
     public function getInvalidValues()
     {
-        return array(
-            array('abcd'),
-            array('090foo'),
-            array(new class() {
+        return [
+            ['abcd'],
+            ['090foo'],
+            [new class() {
                 public function __toString()
                 {
                     return 'abcd';
                 }
-            }),
-        );
+            }],
+        ];
     }
 }

src/Symfony/Component/VarDumper/Caster/ResourceCaster.php

@@ -81,17 +81,17 @@ class ResourceCaster
         $pin = base64_decode(implode('', $pin));
         $pin = base64_encode(hash('sha256', $pin, true));
 
-        $a += array(
-            'subject' => new EnumStub(array_intersect_key($info['subject'], array('organizationName' => true, 'commonName' => true))),
-            'issuer' => new EnumStub(array_intersect_key($info['issuer'], array('organizationName' => true, 'commonName' => true))),
+        $a += [
+            'subject' => new EnumStub(array_intersect_key($info['subject'], ['organizationName' => true, 'commonName' => true])),
+            'issuer' => new EnumStub(array_intersect_key($info['issuer'], ['organizationName' => true, 'commonName' => true])),
             'expiry' => new ConstStub(date(\DateTime::ISO8601, $info['validTo_time_t']), $info['validTo_time_t']),
-            'fingerprint' => new EnumStub(array(
+            'fingerprint' => new EnumStub([
                 'md5' => new ConstStub(wordwrap(strtoupper(openssl_x509_fingerprint($h, 'md5')), 2, ':', true)),
                 'sha1' => new ConstStub(wordwrap(strtoupper(openssl_x509_fingerprint($h, 'sha1')), 2, ':', true)),
                 'sha256' => new ConstStub(wordwrap(strtoupper(openssl_x509_fingerprint($h, 'sha256')), 2, ':', true)),
                 'pin-sha256' => new ConstStub($pin),
-            )),
-        );
+            ]),
+        ];
 
         return $a;
     }

src/Symfony/Component/VarDumper/Cloner/AbstractCloner.php

@@ -21,134 +21,134 @@ use Symfony\Component\VarDumper\Exception\ThrowingCasterException;
  */
 abstract class AbstractCloner implements ClonerInterface
 {
-    public static $defaultCasters = array(
-        '__PHP_Incomplete_Class' => array('Symfony\Component\VarDumper\Caster\Caster', 'castPhpIncompleteClass'),
+    public static $defaultCasters = [
+        '__PHP_Incomplete_Class' => ['Symfony\Component\VarDumper\Caster\Caster', 'castPhpIncompleteClass'],
 
-        'Symfony\Component\VarDumper\Caster\CutStub' => array('Symfony\Component\VarDumper\Caster\StubCaster', 'castStub'),
-        'Symfony\Component\VarDumper\Caster\CutArrayStub' => array('Symfony\Component\VarDumper\Caster\StubCaster', 'castCutArray'),
-        'Symfony\Component\VarDumper\Caster\ConstStub' => array('Symfony\Component\VarDumper\Caster\StubCaster', 'castStub'),
-        'Symfony\Component\VarDumper\Caster\EnumStub' => array('Symfony\Component\VarDumper\Caster\StubCaster', 'castEnum'),
+        'Symfony\Component\VarDumper\Caster\CutStub' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'castStub'],
+        'Symfony\Component\VarDumper\Caster\CutArrayStub' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'castCutArray'],
+        'Symfony\Component\VarDumper\Caster\ConstStub' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'castStub'],
+        'Symfony\Component\VarDumper\Caster\EnumStub' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'castEnum'],
 
-        'Closure' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castClosure'),
-        'Generator' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castGenerator'),
-        'ReflectionType' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castType'),
-        'ReflectionGenerator' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castReflectionGenerator'),
-        'ReflectionClass' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castClass'),
-        'ReflectionFunctionAbstract' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castFunctionAbstract'),
-        'ReflectionMethod' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castMethod'),
-        'ReflectionParameter' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castParameter'),
-        'ReflectionProperty' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castProperty'),
-        'ReflectionExtension' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castExtension'),
-        'ReflectionZendExtension' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castZendExtension'),
+        'Closure' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castClosure'],
+        'Generator' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castGenerator'],
+        'ReflectionType' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castType'],
+        'ReflectionGenerator' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castReflectionGenerator'],
+        'ReflectionClass' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castClass'],
+        'ReflectionFunctionAbstract' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castFunctionAbstract'],
+        'ReflectionMethod' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castMethod'],
+        'ReflectionParameter' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castParameter'],
+        'ReflectionProperty' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castProperty'],
+        'ReflectionExtension' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castExtension'],
+        'ReflectionZendExtension' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castZendExtension'],
 
-        'Doctrine\Common\Persistence\ObjectManager' => array('Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'),
-        'Doctrine\Common\Proxy\Proxy' => array('Symfony\Component\VarDumper\Caster\DoctrineCaster', 'castCommonProxy'),
-        'Doctrine\ORM\Proxy\Proxy' => array('Symfony\Component\VarDumper\Caster\DoctrineCaster', 'castOrmProxy'),
-        'Doctrine\ORM\PersistentCollection' => array('Symfony\Component\VarDumper\Caster\DoctrineCaster', 'castPersistentCollection'),
+        'Doctrine\Common\Persistence\ObjectManager' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'],
+        'Doctrine\Common\Proxy\Proxy' => ['Symfony\Component\VarDumper\Caster\DoctrineCaster', 'castCommonProxy'],
+        'Doctrine\ORM\Proxy\Proxy' => ['Symfony\Component\VarDumper\Caster\DoctrineCaster', 'castOrmProxy'],
+        'Doctrine\ORM\PersistentCollection' => ['Symfony\Component\VarDumper\Caster\DoctrineCaster', 'castPersistentCollection'],
 
-        'DOMException' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castException'),
-        'DOMStringList' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'),
-        'DOMNameList' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'),
-        'DOMImplementation' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castImplementation'),
-        'DOMImplementationList' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'),
-        'DOMNode' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castNode'),
-        'DOMNameSpaceNode' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castNameSpaceNode'),
-        'DOMDocument' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castDocument'),
-        'DOMNodeList' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'),
-        'DOMNamedNodeMap' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'),
-        'DOMCharacterData' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castCharacterData'),
-        'DOMAttr' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castAttr'),
-        'DOMElement' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castElement'),
-        'DOMText' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castText'),
-        'DOMTypeinfo' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castTypeinfo'),
-        'DOMDomError' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castDomError'),
-        'DOMLocator' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castLocator'),
-        'DOMDocumentType' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castDocumentType'),
-        'DOMNotation' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castNotation'),
-        'DOMEntity' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castEntity'),
-        'DOMProcessingInstruction' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castProcessingInstruction'),
-        'DOMXPath' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castXPath'),
+        'DOMException' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castException'],
+        'DOMStringList' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'],
+        'DOMNameList' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'],
+        'DOMImplementation' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castImplementation'],
+        'DOMImplementationList' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'],
+        'DOMNode' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castNode'],
+        'DOMNameSpaceNode' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castNameSpaceNode'],
+        'DOMDocument' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castDocument'],
+        'DOMNodeList' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'],
+        'DOMNamedNodeMap' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'],
+        'DOMCharacterData' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castCharacterData'],
+        'DOMAttr' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castAttr'],
+        'DOMElement' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castElement'],
+        'DOMText' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castText'],
+        'DOMTypeinfo' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castTypeinfo'],
+        'DOMDomError' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castDomError'],
+        'DOMLocator' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castLocator'],
+        'DOMDocumentType' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castDocumentType'],
+        'DOMNotation' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castNotation'],
+        'DOMEntity' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castEntity'],
+        'DOMProcessingInstruction' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castProcessingInstruction'],
+        'DOMXPath' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castXPath'],
 
-        'XmlReader' => array('Symfony\Component\VarDumper\Caster\XmlReaderCaster', 'castXmlReader'),
+        'XmlReader' => ['Symfony\Component\VarDumper\Caster\XmlReaderCaster', 'castXmlReader'],
 
-        'ErrorException' => array('Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castErrorException'),
-        'Exception' => array('Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castException'),
-        'Error' => array('Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castError'),
-        'Symfony\Component\DependencyInjection\ContainerInterface' => array('Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'),
-        'Symfony\Component\HttpFoundation\Request' => array('Symfony\Component\VarDumper\Caster\SymfonyCaster', 'castRequest'),
-        'Symfony\Component\VarDumper\Exception\ThrowingCasterException' => array('Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castThrowingCasterException'),
-        'Symfony\Component\VarDumper\Caster\TraceStub' => array('Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castTraceStub'),
-        'Symfony\Component\VarDumper\Caster\FrameStub' => array('Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castFrameStub'),
-        'Symfony\Component\Debug\Exception\SilencedErrorContext' => array('Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castSilencedErrorContext'),
+        'ErrorException' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castErrorException'],
+        'Exception' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castException'],
+        'Error' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castError'],
+        'Symfony\Component\DependencyInjection\ContainerInterface' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'],
+        'Symfony\Component\HttpFoundation\Request' => ['Symfony\Component\VarDumper\Caster\SymfonyCaster', 'castRequest'],
+        'Symfony\Component\VarDumper\Exception\ThrowingCasterException' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castThrowingCasterException'],
+        'Symfony\Component\VarDumper\Caster\TraceStub' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castTraceStub'],
+        'Symfony\Component\VarDumper\Caster\FrameStub' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castFrameStub'],
+        'Symfony\Component\Debug\Exception\SilencedErrorContext' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castSilencedErrorContext'],
 
-        'ProxyManager\Proxy\ProxyInterface' => array('Symfony\Component\VarDumper\Caster\ProxyManagerCaster', 'castProxy'),
-        'PHPUnit_Framework_MockObject_MockObject' => array('Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'),
-        'Prophecy\Prophecy\ProphecySubjectInterface' => array('Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'),
-        'Mockery\MockInterface' => array('Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'),
+        'ProxyManager\Proxy\ProxyInterface' => ['Symfony\Component\VarDumper\Caster\ProxyManagerCaster', 'castProxy'],
+        'PHPUnit_Framework_MockObject_MockObject' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'],
+        'Prophecy\Prophecy\ProphecySubjectInterface' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'],
+        'Mockery\MockInterface' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'],
 
-        'PDO' => array('Symfony\Component\VarDumper\Caster\PdoCaster', 'castPdo'),
-        'PDOStatement' => array('Symfony\Component\VarDumper\Caster\PdoCaster', 'castPdoStatement'),
+        'PDO' => ['Symfony\Component\VarDumper\Caster\PdoCaster', 'castPdo'],
+        'PDOStatement' => ['Symfony\Component\VarDumper\Caster\PdoCaster', 'castPdoStatement'],
 
-        'AMQPConnection' => array('Symfony\Component\VarDumper\Caster\AmqpCaster', 'castConnection'),
-        'AMQPChannel' => array('Symfony\Component\VarDumper\Caster\AmqpCaster', 'castChannel'),
-        'AMQPQueue' => array('Symfony\Component\VarDumper\Caster\AmqpCaster', 'castQueue'),
-        'AMQPExchange' => array('Symfony\Component\VarDumper\Caster\AmqpCaster', 'castExchange'),
-        'AMQPEnvelope' => array('Symfony\Component\VarDumper\Caster\AmqpCaster', 'castEnvelope'),
+        'AMQPConnection' => ['Symfony\Component\VarDumper\Caster\AmqpCaster', 'castConnection'],
+        'AMQPChannel' => ['Symfony\Component\VarDumper\Caster\AmqpCaster', 'castChannel'],
+        'AMQPQueue' => ['Symfony\Component\VarDumper\Caster\AmqpCaster', 'castQueue'],
+        'AMQPExchange' => ['Symfony\Component\VarDumper\Caster\AmqpCaster', 'castExchange'],
+        'AMQPEnvelope' => ['Symfony\Component\VarDumper\Caster\AmqpCaster', 'castEnvelope'],
 
-        'ArrayObject' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castArrayObject'),
-        'ArrayIterator' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castArrayIterator'),
-        'SplDoublyLinkedList' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castDoublyLinkedList'),
-        'SplFileInfo' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castFileInfo'),
-        'SplFileObject' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castFileObject'),
-        'SplFixedArray' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castFixedArray'),
-        'SplHeap' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castHeap'),
-        'SplObjectStorage' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castObjectStorage'),
-        'SplPriorityQueue' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castHeap'),
-        'OuterIterator' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castOuterIterator'),
+        'ArrayObject' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castArrayObject'],
+        'ArrayIterator' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castArrayIterator'],
+        'SplDoublyLinkedList' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castDoublyLinkedList'],
+        'SplFileInfo' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castFileInfo'],
+        'SplFileObject' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castFileObject'],
+        'SplFixedArray' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castFixedArray'],
+        'SplHeap' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castHeap'],
+        'SplObjectStorage' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castObjectStorage'],
+        'SplPriorityQueue' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castHeap'],
+        'OuterIterator' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castOuterIterator'],
 
-        'Redis' => array('Symfony\Component\VarDumper\Caster\RedisCaster', 'castRedis'),
-        'RedisArray' => array('Symfony\Component\VarDumper\Caster\RedisCaster', 'castRedisArray'),
-        'RedisCluster' => array('Symfony\Component\VarDumper\Caster\RedisCaster', 'castRedisCluster'),
+        'Redis' => ['Symfony\Component\VarDumper\Caster\RedisCaster', 'castRedis'],
+        'RedisArray' => ['Symfony\Component\VarDumper\Caster\RedisCaster', 'castRedisArray'],
+        'RedisCluster' => ['Symfony\Component\VarDumper\Caster\RedisCaster', 'castRedisCluster'],
 
-        'DateTimeInterface' => array('Symfony\Component\VarDumper\Caster\DateCaster', 'castDateTime'),
-        'DateInterval' => array('Symfony\Component\VarDumper\Caster\DateCaster', 'castInterval'),
-        'DateTimeZone' => array('Symfony\Component\VarDumper\Caster\DateCaster', 'castTimeZone'),
-        'DatePeriod' => array('Symfony\Component\VarDumper\Caster\DateCaster', 'castPeriod'),
+        'DateTimeInterface' => ['Symfony\Component\VarDumper\Caster\DateCaster', 'castDateTime'],
+        'DateInterval' => ['Symfony\Component\VarDumper\Caster\DateCaster', 'castInterval'],
+        'DateTimeZone' => ['Symfony\Component\VarDumper\Caster\DateCaster', 'castTimeZone'],
+        'DatePeriod' => ['Symfony\Component\VarDumper\Caster\DateCaster', 'castPeriod'],
 
-        'GMP' => array('Symfony\Component\VarDumper\Caster\GmpCaster', 'castGmp'),
+        'GMP' => ['Symfony\Component\VarDumper\Caster\GmpCaster', 'castGmp'],
 
-        'MessageFormatter' => array('Symfony\Component\VarDumper\Caster\IntlCaster', 'castMessageFormatter'),
-        'NumberFormatter' => array('Symfony\Component\VarDumper\Caster\IntlCaster', 'castNumberFormatter'),
-        'IntlTimeZone' => array('Symfony\Component\VarDumper\Caster\IntlCaster', 'castIntlTimeZone'),
-        'IntlCalendar' => array('Symfony\Component\VarDumper\Caster\IntlCaster', 'castIntlCalendar'),
-        'IntlDateFormatter' => array('Symfony\Component\VarDumper\Caster\IntlCaster', 'castIntlDateFormatter'),
+        'MessageFormatter' => ['Symfony\Component\VarDumper\Caster\IntlCaster', 'castMessageFormatter'],
+        'NumberFormatter' => ['Symfony\Component\VarDumper\Caster\IntlCaster', 'castNumberFormatter'],
+        'IntlTimeZone' => ['Symfony\Component\VarDumper\Caster\IntlCaster', 'castIntlTimeZone'],
+        'IntlCalendar' => ['Symfony\Component\VarDumper\Caster\IntlCaster', 'castIntlCalendar'],
+        'IntlDateFormatter' => ['Symfony\Component\VarDumper\Caster\IntlCaster', 'castIntlDateFormatter'],
 
-        'Memcached' => array('Symfony\Component\VarDumper\Caster\MemcachedCaster', 'castMemcached'),
+        'Memcached' => ['Symfony\Component\VarDumper\Caster\MemcachedCaster', 'castMemcached'],
 
-        ':curl' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castCurl'),
-        ':dba' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castDba'),
-        ':dba persistent' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castDba'),
-        ':gd' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castGd'),
-        ':mysql link' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castMysqlLink'),
-        ':pgsql large object' => array('Symfony\Component\VarDumper\Caster\PgSqlCaster', 'castLargeObject'),
-        ':pgsql link' => array('Symfony\Component\VarDumper\Caster\PgSqlCaster', 'castLink'),
-        ':pgsql link persistent' => array('Symfony\Component\VarDumper\Caster\PgSqlCaster', 'castLink'),
-        ':pgsql result' => array('Symfony\Component\VarDumper\Caster\PgSqlCaster', 'castResult'),
-        ':process' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castProcess'),
-        ':stream' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castStream'),
-        ':OpenSSL X.509' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castOpensslX509'),
-        ':persistent stream' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castStream'),
-        ':stream-context' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castStreamContext'),
-        ':xml' => array('Symfony\Component\VarDumper\Caster\XmlResourceCaster', 'castXml'),
-    );
+        ':curl' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castCurl'],
+        ':dba' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castDba'],
+        ':dba persistent' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castDba'],
+        ':gd' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castGd'],
+        ':mysql link' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castMysqlLink'],
+        ':pgsql large object' => ['Symfony\Component\VarDumper\Caster\PgSqlCaster', 'castLargeObject'],
+        ':pgsql link' => ['Symfony\Component\VarDumper\Caster\PgSqlCaster', 'castLink'],
+        ':pgsql link persistent' => ['Symfony\Component\VarDumper\Caster\PgSqlCaster', 'castLink'],
+        ':pgsql result' => ['Symfony\Component\VarDumper\Caster\PgSqlCaster', 'castResult'],
+        ':process' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castProcess'],
+        ':stream' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castStream'],
+        ':OpenSSL X.509' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castOpensslX509'],
+        ':persistent stream' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castStream'],
+        ':stream-context' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castStreamContext'],
+        ':xml' => ['Symfony\Component\VarDumper\Caster\XmlResourceCaster', 'castXml'],
+    ];
 
     protected $maxItems = 2500;
     protected $maxString = -1;
     protected $minDepth = 1;
 
-    private $casters = array();
+    private $casters = [];
     private $prevErrorHandler;
-    private $classInfo = array();
+    private $classInfo = [];
     private $filter = 0;
 
     /**
@@ -225,7 +225,7 @@ abstract class AbstractCloner implements ClonerInterface
      */
     public function cloneVar($var, $filter = 0)
     {
-        $this->prevErrorHandler = set_error_handler(function ($type, $msg, $file, $line, $context = array()) {
+        $this->prevErrorHandler = set_error_handler(function ($type, $msg, $file, $line, $context = []) {
             if (E_RECOVERABLE_ERROR === $type || E_USER_ERROR === $type) {
                 // Cloner never dies
                 throw new \ErrorException($msg, 0, $type, $file, $line);
@@ -282,7 +282,7 @@ abstract class AbstractCloner implements ClonerInterface
             list($i, $parents, $hasDebugInfo) = $this->classInfo[$class];
         } else {
             $i = 2;
-            $parents = array(strtolower($class));
+            $parents = [strtolower($class)];
             $hasDebugInfo = method_exists($class, '__debugInfo');
 
             foreach (class_parents($class) as $p) {
@@ -295,7 +295,7 @@ abstract class AbstractCloner implements ClonerInterface
             }
             $parents[] = '*';
 
-            $this->classInfo[$class] = array($i, $parents, $hasDebugInfo);
+            $this->classInfo[$class] = [$i, $parents, $hasDebugInfo];
         }
 
         $a = Caster::castObject($obj, $class, $hasDebugInfo);
@@ -309,7 +309,7 @@ abstract class AbstractCloner implements ClonerInterface
                 }
             }
         } catch (\Exception $e) {
-            $a = array((Stub::TYPE_OBJECT === $stub->type ? Caster::PREFIX_VIRTUAL : '').'⚠' => new ThrowingCasterException($e)) + $a;
+            $a = [(Stub::TYPE_OBJECT === $stub->type ? Caster::PREFIX_VIRTUAL : '').'⚠' => new ThrowingCasterException($e)] + $a;
         }
 
         return $a;
@@ -325,7 +325,7 @@ abstract class AbstractCloner implements ClonerInterface
      */
     protected function castResource(Stub $stub, $isNested)
     {
-        $a = array();
+        $a = [];
         $res = $stub->value;
         $type = $stub->class;
 
@@ -336,7 +336,7 @@ abstract class AbstractCloner implements ClonerInterface
                 }
             }
         } catch (\Exception $e) {
-            $a = array((Stub::TYPE_OBJECT === $stub->type ? Caster::PREFIX_VIRTUAL : '').'⚠' => new ThrowingCasterException($e)) + $a;
+            $a = [(Stub::TYPE_OBJECT === $stub->type ? Caster::PREFIX_VIRTUAL : '').'⚠' => new ThrowingCasterException($e)] + $a;
         }
 
         return $a;

src/Symfony/Component/VarDumper/Command/Descriptor/CliDescriptor.php

@@ -39,10 +39,10 @@ class CliDescriptor implements DumpDescriptorInterface
 
     public function describe(OutputInterface $output, Data $data, array $context, int $clientId): void
     {
-        $io = $output instanceof SymfonyStyle ? $output : new SymfonyStyle(new ArrayInput(array()), $output);
+        $io = $output instanceof SymfonyStyle ? $output : new SymfonyStyle(new ArrayInput([]), $output);
         $this->dumper->setColors($output->isDecorated());
 
-        $rows = array(array('date', date('r', $context['timestamp'])));
+        $rows = [['date', date('r', $context['timestamp'])]];
         $lastIdentifier = $this->lastIdentifier;
         $this->lastIdentifier = $clientId;
 
@@ -52,7 +52,7 @@ class CliDescriptor implements DumpDescriptorInterface
             $this->lastIdentifier = $request['identifier'];
             $section = sprintf('%s %s', $request['method'], $request['uri']);
             if ($controller = $request['controller']) {
-                $rows[] = array('controller', rtrim($this->dumper->dump($controller, true), "\n"));
+                $rows[] = ['controller', rtrim($this->dumper->dump($controller, true), "\n")];
             }
         } elseif (isset($context['cli'])) {
             $this->lastIdentifier = $context['cli']['identifier'];
@@ -70,15 +70,15 @@ class CliDescriptor implements DumpDescriptorInterface
             if ($this->supportsHref && $fileLink) {
                 $sourceInfo = sprintf('<href=%s>%s</>', $fileLink, $sourceInfo);
             }
-            $rows[] = array('source', $sourceInfo);
+            $rows[] = ['source', $sourceInfo];
             $file = $source['file_relative'] ?? $source['file'];
-            $rows[] = array('file', $file);
+            $rows[] = ['file', $file];
         }
 
-        $io->table(array(), $rows);
+        $io->table([], $rows);
 
         if (!$this->supportsHref && isset($fileLink)) {
-            $io->writeln(array('<info>Open source in your IDE/browser:</info>', $fileLink));
+            $io->writeln(['<info>Open source in your IDE/browser:</info>', $fileLink]);
             $io->newLine();
         }
 

src/Symfony/Component/VarDumper/Dumper/CliDumper.php

@@ -55,9 +55,9 @@ class CliDumper extends AbstractDumper
     protected $collapseNextHash = false;
     protected $expandNextHash = false;
 
-    private $displayOptions = array(
+    private $displayOptions = [
         'fileLinkFormat' => null,
-    );
+    ];
 
     private $handlesHrefGracefully;
 
@@ -632,7 +632,7 @@ class CliDumper extends AbstractDumper
     private function getSourceLink($file, $line)
     {
         if ($fmt = $this->displayOptions['fileLinkFormat']) {
-            return \is_string($fmt) ? strtr($fmt, array('%f' => $file, '%l' => $line)) : $fmt->format($file, $line);
+            return \is_string($fmt) ? strtr($fmt, ['%f' => $file, '%l' => $line]) : $fmt->format($file, $line);
         }
 
         return false;

src/Symfony/Component/VarDumper/Tests/Command/Descriptor/CliDescriptorTest.php

@@ -49,21 +49,21 @@ class CliDescriptorTest extends TestCase
             return $s;
         }));
 
-        $descriptor->describe($output, new Data(array(array(123))), $context + array('timestamp' => 1544804268.3668), 1);
+        $descriptor->describe($output, new Data([[123]]), $context + ['timestamp' => 1544804268.3668], 1);
 
         $this->assertStringMatchesFormat(trim($expectedOutput), str_replace(PHP_EOL, "\n", trim($output->fetch())));
     }
 
     public function provideContext()
     {
-        yield 'source' => array(
-            array(
-                'source' => array(
+        yield 'source' => [
+            [
+                'source' => [
                     'name' => 'CliDescriptorTest.php',
                     'line' => 30,
                     'file' => '/Users/ogi/symfony/src/Symfony/Component/VarDumper/Tests/Command/Descriptor/CliDescriptorTest.php',
-                ),
-            ),
+                ],
+            ],
             <<<TXT
 Received from client #1
 -----------------------
@@ -74,18 +74,18 @@ Received from client #1
   file     /Users/ogi/symfony/src/Symfony/Component/VarDumper/Tests/Command/Descriptor/CliDescriptorTest.php  
  -------- ---------------------------------------------------------------------------------------------------
 TXT
-        );
+        ];
 
-        yield 'source full' => array(
-            array(
-                'source' => array(
+        yield 'source full' => [
+            [
+                'source' => [
                     'name' => 'CliDescriptorTest.php',
                     'line' => 30,
                     'file_relative' => 'src/Symfony/Component/VarDumper/Tests/Command/Descriptor/CliDescriptorTest.php',
                     'file' => '/Users/ogi/symfony/src/Symfony/Component/VarDumper/Tests/Command/Descriptor/CliDescriptorTest.php',
                     'file_link' => 'phpstorm://open?file=/Users/ogi/symfony/src/Symfony/Component/VarDumper/Tests/Command/Descriptor/CliDescriptorTest.php&line=30',
-                ),
-            ),
+                ],
+            ],
             method_exists(OutputFormatterStyle::class, 'setHref') ?
                 <<<TXT
 Received from client #1
@@ -112,34 +112,34 @@ Received from client #1
 Open source in your IDE/browser:
 phpstorm://open?file=/Users/ogi/symfony/src/Symfony/Component/VarDumper/Tests/Command/Descriptor/CliDescriptorTest.php&line=30
 TXT
-        );
+        ];
 
         if (method_exists(OutputFormatterStyle::class, 'setHref')) {
-            yield 'source with hyperlink' => array(
-                array(
-                    'source' => array(
+            yield 'source with hyperlink' => [
+                [
+                    'source' => [
                         'name' => 'CliDescriptorTest.php',
                         'line' => 30,
                         'file_relative' => 'src/Symfony/Component/VarDumper/Tests/Command/Descriptor/CliDescriptorTest.php',
                         'file_link' => 'phpstorm://open?file=/Users/ogi/symfony/src/Symfony/Component/VarDumper/Tests/Command/Descriptor/CliDescriptorTest.php&line=30',
-                    ),
-                ),
+                    ],
+                ],
                 <<<TXT
 %A
   source   \033]8;;phpstorm://open?file=/Users/ogi/symfony/src/Symfony/Component/VarDumper/Tests/Command/Descriptor/CliDescriptorTest.php&line=30\033\CliDescriptorTest.php on line 30\033]8;;\033%A
 %A
 TXT
                 , true,
-            );
+            ];
         }
 
-        yield 'cli' => array(
-            array(
-                'cli' => array(
+        yield 'cli' => [
+            [
+                'cli' => [
                     'identifier' => 'd8bece1c',
                     'command_line' => 'bin/phpunit',
-                ),
-            ),
+                ],
+            ],
             <<<TXT
 $ bin/phpunit
 -------------
@@ -148,17 +148,17 @@ $ bin/phpunit
   date   Fri, 14 Dec 2018 16:17:48 +0000  
  ------ ---------------------------------
 TXT
-        );
+        ];
 
-        yield 'request' => array(
-            array(
-                'request' => array(
+        yield 'request' => [
+            [
+                'request' => [
                     'identifier' => 'd8bece1c',
-                    'controller' => new Data(array(array('FooController.php'))),
+                    'controller' => new Data([['FooController.php']]),
                     'method' => 'GET',
                     'uri' => 'http://localhost/foo',
-                ),
-            ),
+                ],
+            ],
             <<<TXT
 GET http://localhost/foo
 ------------------------
@@ -168,6 +168,6 @@ GET http://localhost/foo
   controller   "FooController.php"              
  ------------ --------------------------------- 
 TXT
-        );
+        ];
     }
 }

src/Symfony/Component/Workflow/Tests/WorkflowTest.php

@@ -27,7 +27,7 @@ class WorkflowTest extends TestCase
     {
         $subject = new \stdClass();
         $subject->marking = null;
-        $workflow = new Workflow(new Definition(array(), array()), $this->getMockBuilder(MarkingStoreInterface::class)->getMock());
+        $workflow = new Workflow(new Definition([], []), $this->getMockBuilder(MarkingStoreInterface::class)->getMock());
 
         $workflow->getMarking($subject);
     }
@@ -40,7 +40,7 @@ class WorkflowTest extends TestCase
     {
         $subject = new \stdClass();
         $subject->marking = null;
-        $workflow = new Workflow(new Definition(array(), array()), new MultipleStateMarkingStore());
+        $workflow = new Workflow(new Definition([], []), new MultipleStateMarkingStore());
 
         $workflow->getMarking($subject);
     }
@@ -52,8 +52,8 @@ class WorkflowTest extends TestCase
     public function testGetMarkingWithImpossiblePlace()
     {
         $subject = new \stdClass();
-        $subject->marking = array('nope' => 1);
-        $workflow = new Workflow(new Definition(array(), array()), new MultipleStateMarkingStore());
+        $subject->marking = ['nope' => 1];
+        $workflow = new Workflow(new Definition([], []), new MultipleStateMarkingStore());
 
         $workflow->getMarking($subject);
     }
@@ -69,7 +69,7 @@ class WorkflowTest extends TestCase
 
         $this->assertInstanceOf(Marking::class, $marking);
         $this->assertTrue($marking->has('a'));
-        $this->assertSame(array('a' => 1), $subject->marking);
+        $this->assertSame(['a' => 1], $subject->marking);
     }
 
     public function testGetMarkingWithExistingMarking()
@@ -77,7 +77,7 @@ class WorkflowTest extends TestCase
         $definition = $this->createComplexWorkflowDefinition();
         $subject = new \stdClass();
         $subject->marking = null;
-        $subject->marking = array('b' => 1, 'c' => 1);
+        $subject->marking = ['b' => 1, 'c' => 1];
         $workflow = new Workflow($definition, new MultipleStateMarkingStore());
 
         $marking = $workflow->getMarking($subject);
@@ -107,19 +107,19 @@ class WorkflowTest extends TestCase
         $this->assertTrue($workflow->can($subject, 't1'));
         $this->assertFalse($workflow->can($subject, 't2'));
 
-        $subject->marking = array('b' => 1);
+        $subject->marking = ['b' => 1];
 
         $this->assertFalse($workflow->can($subject, 't1'));
         // In a workflow net, all "from" places should contain a token to enable
         // the transition.
         $this->assertFalse($workflow->can($subject, 't2'));
 
-        $subject->marking = array('b' => 1, 'c' => 1);
+        $subject->marking = ['b' => 1, 'c' => 1];
 
         $this->assertFalse($workflow->can($subject, 't1'));
         $this->assertTrue($workflow->can($subject, 't2'));
 
-        $subject->marking = array('f' => 1);
+        $subject->marking = ['f' => 1];
 
         $this->assertFalse($workflow->can($subject, 't5'));
         $this->assertTrue($workflow->can($subject, 't6'));
@@ -145,7 +145,7 @@ class WorkflowTest extends TestCase
         $subject = new \stdClass();
         $subject->marking = null;
 
-        $dispatchedEvents = array();
+        $dispatchedEvents = [];
         $eventDispatcher = new EventDispatcher();
 
         $workflow = new Workflow($definition, new MultipleStateMarkingStore(), $eventDispatcher, 'workflow_name');
@@ -161,7 +161,7 @@ class WorkflowTest extends TestCase
 
         $workflow->can($subject, 't3');
 
-        $this->assertSame(array('workflow_name.guard.t3'), $dispatchedEvents);
+        $this->assertSame(['workflow_name.guard.t3'], $dispatchedEvents);
     }
 
     public function testCanWithSameNameTransition()
@@ -175,7 +175,7 @@ class WorkflowTest extends TestCase
         $this->assertFalse($workflow->can($subject, 'b_to_c'));
         $this->assertFalse($workflow->can($subject, 'to_a'));
 
-        $subject->marking = array('b' => 1);
+        $subject->marking = ['b' => 1];
         $this->assertFalse($workflow->can($subject, 'a_to_bc'));
         $this->assertTrue($workflow->can($subject, 'b_to_c'));
         $this->assertTrue($workflow->can($subject, 'to_a'));
@@ -205,17 +205,17 @@ class WorkflowTest extends TestCase
         $this->assertTrue($workflow->buildTransitionBlockerList($subject, 't1')->isEmpty());
         $this->assertFalse($workflow->buildTransitionBlockerList($subject, 't2')->isEmpty());
 
-        $subject->marking = array('b' => 1);
+        $subject->marking = ['b' => 1];
 
         $this->assertFalse($workflow->buildTransitionBlockerList($subject, 't1')->isEmpty());
         $this->assertFalse($workflow->buildTransitionBlockerList($subject, 't2')->isEmpty());
 
-        $subject->marking = array('b' => 1, 'c' => 1);
+        $subject->marking = ['b' => 1, 'c' => 1];
 
         $this->assertFalse($workflow->buildTransitionBlockerList($subject, 't1')->isEmpty());
         $this->assertTrue($workflow->buildTransitionBlockerList($subject, 't2')->isEmpty());
 
-        $subject->marking = array('f' => 1);
+        $subject->marking = ['f' => 1];
 
         $this->assertFalse($workflow->buildTransitionBlockerList($subject, 't5')->isEmpty());
         $this->assertTrue($workflow->buildTransitionBlockerList($subject, 't6')->isEmpty());
@@ -354,10 +354,10 @@ class WorkflowTest extends TestCase
     public function testApplyWithSameNameTransition2()
     {
         $subject = new \stdClass();
-        $subject->marking = array('a' => 1, 'b' => 1);
+        $subject->marking = ['a' => 1, 'b' => 1];
 
         $places = range('a', 'd');
-        $transitions = array();
+        $transitions = [];
         $transitions[] = new Transition('t', 'a', 'c');
         $transitions[] = new Transition('t', 'b', 'd');
         $definition = new Definition($places, $transitions);
@@ -374,10 +374,10 @@ class WorkflowTest extends TestCase
     public function testApplyWithSameNameTransition3()
     {
         $subject = new \stdClass();
-        $subject->marking = array('a' => 1);
+        $subject->marking = ['a' => 1];
 
         $places = range('a', 'd');
-        $transitions = array();
+        $transitions = [];
         $transitions[] = new Transition('t', 'a', 'b');
         $transitions[] = new Transition('t', 'b', 'c');
         $transitions[] = new Transition('t', 'c', 'd');
@@ -398,7 +398,7 @@ class WorkflowTest extends TestCase
         $eventDispatcher = new EventDispatcherMock();
         $workflow = new Workflow($definition, new MultipleStateMarkingStore(), $eventDispatcher, 'workflow_name');
 
-        $eventNameExpected = array(
+        $eventNameExpected = [
             'workflow.entered',
             'workflow.workflow_name.entered',
             'workflow.guard',
@@ -428,7 +428,7 @@ class WorkflowTest extends TestCase
             'workflow.workflow_name.guard',
             'workflow.workflow_name.guard.t2',
             'workflow.workflow_name.announce.t2',
-        );
+        ];
 
         $marking = $workflow->apply($subject, 't1');
 
@@ -448,14 +448,14 @@ class WorkflowTest extends TestCase
             $this->assertEquals($name, $event->getWorkflowName());
         };
 
-        $eventNames = array(
+        $eventNames = [
             'workflow.guard',
             'workflow.leave',
             'workflow.transition',
             'workflow.enter',
             'workflow.entered',
             'workflow.announce',
-        );
+        ];
 
         foreach ($eventNames as $eventName) {
             $dispatcher->addListener($eventName, $assertWorkflowName);
@@ -466,20 +466,20 @@ class WorkflowTest extends TestCase
 
     public function testMarkingStateOnApplyWithEventDispatcher()
     {
-        $definition = new Definition(range('a', 'f'), array(new Transition('t', range('a', 'c'), range('d', 'f'))));
+        $definition = new Definition(range('a', 'f'), [new Transition('t', range('a', 'c'), range('d', 'f'))]);
 
         $subject = new \stdClass();
-        $subject->marking = array('a' => 1, 'b' => 1, 'c' => 1);
+        $subject->marking = ['a' => 1, 'b' => 1, 'c' => 1];
 
         $dispatcher = new EventDispatcher();
 
         $workflow = new Workflow($definition, new MultipleStateMarkingStore(), $dispatcher, 'test');
 
         $assertInitialState = function (Event $event) {
-            $this->assertEquals(new Marking(array('a' => 1, 'b' => 1, 'c' => 1)), $event->getMarking());
+            $this->assertEquals(new Marking(['a' => 1, 'b' => 1, 'c' => 1]), $event->getMarking());
         };
         $assertTransitionState = function (Event $event) {
-            $this->assertEquals(new Marking(array()), $event->getMarking());
+            $this->assertEquals(new Marking([]), $event->getMarking());
         };
 
         $dispatcher->addListener('workflow.leave', $assertInitialState);
@@ -512,13 +512,13 @@ class WorkflowTest extends TestCase
 
         $this->assertEmpty($workflow->getEnabledTransitions($subject));
 
-        $subject->marking = array('d' => 1);
+        $subject->marking = ['d' => 1];
         $transitions = $workflow->getEnabledTransitions($subject);
         $this->assertCount(2, $transitions);
         $this->assertSame('t3', $transitions[0]->getName());
         $this->assertSame('t4', $transitions[1]->getName());
 
-        $subject->marking = array('c' => 1, 'e' => 1);
+        $subject->marking = ['c' => 1, 'e' => 1];
         $transitions = $workflow->getEnabledTransitions($subject);
         $this->assertCount(1, $transitions);
         $this->assertSame('t5', $transitions[0]->getName());
@@ -535,7 +535,7 @@ class WorkflowTest extends TestCase
         $this->assertCount(1, $transitions);
         $this->assertSame('a_to_bc', $transitions[0]->getName());
 
-        $subject->marking = array('b' => 1, 'c' => 1);
+        $subject->marking = ['b' => 1, 'c' => 1];
         $transitions = $workflow->getEnabledTransitions($subject);
         $this->assertCount(3, $transitions);
         $this->assertSame('b_to_c', $transitions[0]->getName());
@@ -546,7 +546,7 @@ class WorkflowTest extends TestCase
 
 class EventDispatcherMock implements \Symfony\Component\EventDispatcher\EventDispatcherInterface
 {
-    public $dispatchedEvents = array();
+    public $dispatchedEvents = [];
 
     public function dispatch($eventName, \Symfony\Component\EventDispatcher\Event $event = null)
     {