fixed short array CS in comments

src/Symfony/Bridge/Doctrine/DependencyInjection/CompilerPass/RegisterMappingsPass.php

@@ -50,7 +50,7 @@ abstract class RegisterMappingsPass implements CompilerPassInterface
     /**
      * List of potential container parameters that hold the object manager name
      * to register the mappings with the correct metadata driver, for example
-     * array('acme.manager', 'doctrine.default_entity_manager').
+     * ['acme.manager', 'doctrine.default_entity_manager'].
      *
      * @var string[]
      */

src/Symfony/Bridge/PhpUnit/Tests/DeprecationErrorHandler/default.phpt

@@ -25,7 +25,7 @@ class Test
 {
     public static function getGroups()
     {
-        return array();
+        return [];
     }
 }
 EOPHP

src/Symfony/Bridge/PhpUnit/Tests/DeprecationErrorHandler/fake_vendor/acme/lib/deprecation_riddled.php

@@ -7,7 +7,7 @@ class Test
 {
     public static function getGroups()
     {
-        return array();
+        return [];
     }
 }
 EOPHP

src/Symfony/Bridge/PhpUnit/Tests/DeprecationErrorHandler/shutdown_deprecations.phpt

@@ -25,7 +25,7 @@ class Test
 {
     public static function getGroups()
     {
-        return array();
+        return [];
     }
 }
 EOPHP

src/Symfony/Bridge/PhpUnit/Tests/DeprecationErrorHandler/weak_vendors_on_non_vendor.phpt

@@ -25,7 +25,7 @@ class Test
 {
     public static function getGroups()
     {
-        return array();
+        return [];
     }
 }
 EOPHP

src/Symfony/Bridge/PhpUnit/bin/simple-phpunit

@@ -83,7 +83,7 @@ if (!file_exists("$PHPUNIT_DIR/phpunit-$PHPUNIT_VERSION/phpunit") || md5_file(__
     $prevRoot = getenv('COMPOSER_ROOT_VERSION');
     putenv("COMPOSER_ROOT_VERSION=$PHPUNIT_VERSION.99");
     // --no-suggest is not in the list to keep compat with composer 1.0, which is shipped with Ubuntu 16.04LTS
-    $exit = proc_close(proc_open("$COMPOSER install --no-dev --prefer-dist --no-progress --ansi", array(), $p, getcwd(), null, array('bypass_shell' => true)));
+    $exit = proc_close(proc_open("$COMPOSER install --no-dev --prefer-dist --no-progress --ansi", [], $p, getcwd(), null, ['bypass_shell' => true]));
     putenv('COMPOSER_ROOT_VERSION'.(false !== $prevRoot ? '='.$prevRoot : ''));
     if ($exit) {
         exit($exit);
@@ -116,9 +116,9 @@ EOPHP
 }
 
 global $argv, $argc;
-$argv = isset($_SERVER['argv']) ? $_SERVER['argv'] : array();
+$argv = isset($_SERVER['argv']) ? $_SERVER['argv'] : [];
 $argc = isset($_SERVER['argc']) ? $_SERVER['argc'] : 0;
-$components = array();
+$components = [];
 $cmd = array_map('escapeshellarg', $argv);
 $exit = 0;
 
@@ -153,7 +153,7 @@ if ('\\' === DIRECTORY_SEPARATOR) {
 
 if ($components) {
     $skippedTests = isset($_SERVER['SYMFONY_PHPUNIT_SKIPPED_TESTS']) ? $_SERVER['SYMFONY_PHPUNIT_SKIPPED_TESTS'] : false;
-    $runningProcs = array();
+    $runningProcs = [];
 
     foreach ($components as $component) {
         // Run phpunit tests in parallel
@@ -164,7 +164,7 @@ if ($components) {
 
         $c = escapeshellarg($component);
 
-        if ($proc = proc_open(sprintf($cmd, $c, " > $c/phpunit.stdout 2> $c/phpunit.stderr"), array(), $pipes)) {
+        if ($proc = proc_open(sprintf($cmd, $c, " > $c/phpunit.stdout 2> $c/phpunit.stderr"), [], $pipes)) {
             $runningProcs[$component] = $proc;
         } else {
             $exit = 1;
@@ -174,7 +174,7 @@ if ($components) {
 
     while ($runningProcs) {
         usleep(300000);
-        $terminatedProcs = array();
+        $terminatedProcs = [];
         foreach ($runningProcs as $component => $proc) {
             $procStatus = proc_get_status($proc);
             if (!$procStatus['running']) {
@@ -185,7 +185,7 @@ if ($components) {
         }
 
         foreach ($terminatedProcs as $component => $procStatus) {
-            foreach (array('out', 'err') as $file) {
+            foreach (['out', 'err'] as $file) {
                 $file = "$component/phpunit.std$file";
                 readfile($file);
                 unlink($file);
@@ -195,7 +195,7 @@ if ($components) {
             // STATUS_STACK_BUFFER_OVERRUN (-1073740791/0xC0000409)
             // STATUS_ACCESS_VIOLATION (-1073741819/0xC0000005)
             // STATUS_HEAP_CORRUPTION (-1073740940/0xC0000374)
-            if ($procStatus && ('\\' !== DIRECTORY_SEPARATOR || !extension_loaded('apcu') || !filter_var(ini_get('apc.enable_cli'), FILTER_VALIDATE_BOOLEAN) || !in_array($procStatus, array(-1073740791, -1073741819, -1073740940)))) {
+            if ($procStatus && ('\\' !== DIRECTORY_SEPARATOR || !extension_loaded('apcu') || !filter_var(ini_get('apc.enable_cli'), FILTER_VALIDATE_BOOLEAN) || !in_array($procStatus, [-1073740791, -1073741819, -1073740940]))) {
                 $exit = $procStatus;
                 echo "\033[41mKO\033[0m $component\n\n";
             } else {
@@ -207,7 +207,7 @@ if ($components) {
     if (!class_exists('SymfonyBlacklistSimplePhpunit', false)) {
         class SymfonyBlacklistSimplePhpunit {}
     }
-    array_splice($argv, 1, 0, array('--colors=always'));
+    array_splice($argv, 1, 0, ['--colors=always']);
     $_SERVER['argv'] = $argv;
     $_SERVER['argc'] = ++$argc;
     include "$PHPUNIT_DIR/phpunit-$PHPUNIT_VERSION/phpunit";

src/Symfony/Bridge/Twig/AppVariable.php

@@ -150,7 +150,7 @@ class AppVariable
      * Returns some or all the existing flash messages:
      *  * getFlashes() returns all the flash messages
      *  * getFlashes('notice') returns a simple array with flash messages of that type
-     *  * getFlashes(array('notice', 'error')) returns a nested array of type => messages.
+     *  * getFlashes(['notice', 'error']) returns a nested array of type => messages.
      *
      * @return array
      */

src/Symfony/Bridge/Twig/CHANGELOG.md

@@ -33,7 +33,7 @@ CHANGELOG
    use Symfony\Bridge\Twig\Form\TwigRendererEngine;
 
    // ...
-   $rendererEngine = new TwigRendererEngine(array('form_div_layout.html.twig'));
+   $rendererEngine = new TwigRendererEngine(['form_div_layout.html.twig']);
    $rendererEngine->setEnvironment($twig);
    $twig->addExtension(new FormExtension(new TwigRenderer($rendererEngine, $csrfTokenManager)));
    ```
@@ -42,13 +42,13 @@ CHANGELOG
 
    ```php
    // ...
-   $rendererEngine = new TwigRendererEngine(array('form_div_layout.html.twig'), $twig);
+   $rendererEngine = new TwigRendererEngine(['form_div_layout.html.twig'], $twig);
    // require Twig 1.30+
-   $twig->addRuntimeLoader(new \Twig\RuntimeLoader\FactoryRuntimeLoader(array(
+   $twig->addRuntimeLoader(new \Twig\RuntimeLoader\FactoryRuntimeLoader([
        TwigRenderer::class => function () use ($rendererEngine, $csrfTokenManager) {
            return new TwigRenderer($rendererEngine, $csrfTokenManager);
        },
-   )));
+   ]));
    $twig->addExtension(new FormExtension());
    ```
  * Deprecated the `TwigRendererEngineInterface` interface.

src/Symfony/Bridge/Twig/Extension/WebLinkExtension.php

@@ -51,7 +51,7 @@ class WebLinkExtension extends AbstractExtension
      *
      * @param string $uri        The relation URI
      * @param string $rel        The relation type (e.g. "preload", "prefetch", "prerender" or "dns-prefetch")
-     * @param array  $attributes The attributes of this link (e.g. "array('as' => true)", "array('pr' => 0.5)")
+     * @param array  $attributes The attributes of this link (e.g. "['as' => true]", "['pr' => 0.5]")
      *
      * @return string The relation URI
      */
@@ -76,7 +76,7 @@ class WebLinkExtension extends AbstractExtension
      * Preloads a resource.
      *
      * @param string $uri        A public path
-     * @param array  $attributes The attributes of this link (e.g. "array('as' => true)", "array('crossorigin' => 'use-credentials')")
+     * @param array  $attributes The attributes of this link (e.g. "['as' => true]", "['crossorigin' => 'use-credentials']")
      *
      * @return string The path of the asset
      */
@@ -89,7 +89,7 @@ class WebLinkExtension extends AbstractExtension
      * Resolves a resource origin as early as possible.
      *
      * @param string $uri        A public path
-     * @param array  $attributes The attributes of this link (e.g. "array('as' => true)", "array('pr' => 0.5)")
+     * @param array  $attributes The attributes of this link (e.g. "['as' => true]", "['pr' => 0.5]")
      *
      * @return string The path of the asset
      */
@@ -102,7 +102,7 @@ class WebLinkExtension extends AbstractExtension
      * Initiates a early connection to a resource (DNS resolution, TCP handshake, TLS negotiation).
      *
      * @param string $uri        A public path
-     * @param array  $attributes The attributes of this link (e.g. "array('as' => true)", "array('pr' => 0.5)")
+     * @param array  $attributes The attributes of this link (e.g. "['as' => true]", "['pr' => 0.5]")
      *
      * @return string The path of the asset
      */
@@ -115,7 +115,7 @@ class WebLinkExtension extends AbstractExtension
      * Indicates to the client that it should prefetch this resource.
      *
      * @param string $uri        A public path
-     * @param array  $attributes The attributes of this link (e.g. "array('as' => true)", "array('pr' => 0.5)")
+     * @param array  $attributes The attributes of this link (e.g. "['as' => true]", "['pr' => 0.5]")
      *
      * @return string The path of the asset
      */
@@ -128,7 +128,7 @@ class WebLinkExtension extends AbstractExtension
      * Indicates to the client that it should prerender this resource .
      *
      * @param string $uri        A public path
-     * @param array  $attributes The attributes of this link (e.g. "array('as' => true)", "array('pr' => 0.5)")
+     * @param array  $attributes The attributes of this link (e.g. "['as' => true]", "['pr' => 0.5]")
      *
      * @return string The path of the asset
      */

src/Symfony/Bundle/FrameworkBundle/Command/CacheClearCommand.php

@@ -338,7 +338,7 @@ namespace $namespace
 
             // filter container's resources, removing reference to temp kernel file
             \$resources = \$container->getResources();
-            \$filteredResources = array();
+            \$filteredResources = [];
             foreach (\$resources as \$resource) {
                 if ((string) \$resource !== __FILE__) {
                     \$filteredResources[] = \$resource;

src/Symfony/Bundle/FrameworkBundle/Kernel/MicroKernelTrait.php

@@ -39,9 +39,9 @@ trait MicroKernelTrait
      *
      * You can register extensions:
      *
-     *     $c->loadFromExtension('framework', array(
+     *     $c->loadFromExtension('framework', [
      *         'secret' => '%secret%'
-     *     ));
+     *     ]);
      *
      * Or services:
      *

src/Symfony/Bundle/FrameworkBundle/Templating/Helper/FormHelper.php

@@ -61,9 +61,9 @@ class FormHelper extends Helper
      *
      * You can pass options during the call:
      *
-     *     <?php echo view['form']->form($form, array('attr' => array('class' => 'foo'))) ?>
+     *     <?php echo view['form']->form($form, ['attr' => ['class' => 'foo']]) ?>
      *
-     *     <?php echo view['form']->form($form, array('separator' => '+++++')) ?>
+     *     <?php echo view['form']->form($form, ['separator' => '+++++']) ?>
      *
      * This method is mainly intended for prototyping purposes. If you want to
      * control the layout of a form in a more fine-grained manner, you are
@@ -124,9 +124,9 @@ class FormHelper extends Helper
      *
      * You can pass options during the call:
      *
-     *     <?php echo $view['form']->widget($form, array('attr' => array('class' => 'foo'))) ?>
+     *     <?php echo $view['form']->widget($form, ['attr' => ['class' => 'foo']]) ?>
      *
-     *     <?php echo $view['form']->widget($form, array('separator' => '+++++')) ?>
+     *     <?php echo $view['form']->widget($form, ['separator' => '+++++']) ?>
      *
      * @param FormView $view      The view for which to render the widget
      * @param array    $variables Additional variables passed to the template

src/Symfony/Bundle/FrameworkBundle/Tests/Fixtures/Resources/views/translation.html.php

@@ -29,21 +29,21 @@ EOF
 <?php echo $view['translator']->transChoice(
     '{0} There is no apples|{1} There is one apple|]1,Inf[ There are %count% apples',
     10,
-    array('%count%' => 10)
+    ['%count%' => 10]
 ) ?>
 
-<?php echo $view['translator']->trans('other-domain-test-no-params-short-array', array(), 'not_messages'); ?>
+<?php echo $view['translator']->trans('other-domain-test-no-params-short-array', [], 'not_messages'); ?>
 
-<?php echo $view['translator']->trans('other-domain-test-no-params-long-array', array(), 'not_messages'); ?>
+<?php echo $view['translator']->trans('other-domain-test-no-params-long-array', [], 'not_messages'); ?>
 
-<?php echo $view['translator']->trans('other-domain-test-params-short-array', array('foo' => 'bar'), 'not_messages'); ?>
+<?php echo $view['translator']->trans('other-domain-test-params-short-array', ['foo' => 'bar'], 'not_messages'); ?>
 
-<?php echo $view['translator']->trans('other-domain-test-params-long-array', array('foo' => 'bar'), 'not_messages'); ?>
+<?php echo $view['translator']->trans('other-domain-test-params-long-array', ['foo' => 'bar'], 'not_messages'); ?>
 
-<?php echo $view['translator']->transChoice('other-domain-test-trans-choice-short-array-%count%', 10, array('%count%' => 10), 'not_messages'); ?>
+<?php echo $view['translator']->transChoice('other-domain-test-trans-choice-short-array-%count%', 10, ['%count%' => 10], 'not_messages'); ?>
 
-<?php echo $view['translator']->transChoice('other-domain-test-trans-choice-long-array-%count%', 10, array('%count%' => 10), 'not_messages'); ?>
+<?php echo $view['translator']->transChoice('other-domain-test-trans-choice-long-array-%count%', 10, ['%count%' => 10], 'not_messages'); ?>
 
-<?php echo $view['translator']->trans('typecast', array('a' => (int) '123'), 'not_messages'); ?>
+<?php echo $view['translator']->trans('typecast', ['a' => (int) '123'], 'not_messages'); ?>
-<?php echo $view['translator']->transChoice('msg1', 10 + 1, array(), 'not_messages'); ?>
+<?php echo $view['translator']->transChoice('msg1', 10 + 1, [], 'not_messages'); ?>
-<?php echo $view['translator']->transChoice('msg2', ceil(4.5), array(), 'not_messages'); ?>
+<?php echo $view['translator']->transChoice('msg2', ceil(4.5), [], 'not_messages'); ?>

src/Symfony/Bundle/FrameworkBundle/Tests/Templating/Helper/Resources/Custom/_name_c_entry_label.html.php

@@ -1,2 +1,2 @@
 <?php if (!$label) { $label = $view['form']->humanize($name); } ?>
-<label>Custom name label: <?php echo $view->escape($view['translator']->trans($label, array(), $translation_domain)) ?></label>
+<label>Custom name label: <?php echo $view->escape($view['translator']->trans($label, [], $translation_domain)) ?></label>

src/Symfony/Bundle/FrameworkBundle/Tests/Templating/Helper/Resources/Custom/_names_entry_label.html.php

@@ -1,4 +1,4 @@
 <?php if (!$label) {
     $label = $view['form']->humanize($name);
 } ?>
-<label>Custom label: <?php echo $view->escape($view['translator']->trans($label, array(), $translation_domain)) ?></label>
+<label>Custom label: <?php echo $view->escape($view['translator']->trans($label, [], $translation_domain)) ?></label>

src/Symfony/Component/Cache/Adapter/PdoAdapter.php

@@ -35,7 +35,7 @@ class PdoAdapter extends AbstractAdapter implements PruneableInterface
      *  * db_time_col: The column where to store the timestamp [default: item_time]
      *  * db_username: The username when lazy-connect [default: '']
      *  * db_password: The password when lazy-connect [default: '']
-     *  * db_connection_options: An array of driver-specific connection options [default: array()]
+     *  * db_connection_options: An array of driver-specific connection options [default: []]
      *
      * @param \PDO|Connection|string $connOrDsn       A \PDO or Connection instance or DSN string or null
      * @param string                 $namespace

src/Symfony/Component/Cache/Simple/PdoCache.php

@@ -33,7 +33,7 @@ class PdoCache extends AbstractCache implements PruneableInterface
      *  * db_time_col: The column where to store the timestamp [default: item_time]
      *  * db_username: The username when lazy-connect [default: '']
      *  * db_password: The password when lazy-connect [default: '']
-     *  * db_connection_options: An array of driver-specific connection options [default: array()]
+     *  * db_connection_options: An array of driver-specific connection options [default: []]
      *
      * @param \PDO|Connection|string $connOrDsn       A \PDO or Connection instance or DSN string or null
      * @param string                 $namespace

src/Symfony/Component/Cache/Traits/MemcachedTrait.php

@@ -64,7 +64,7 @@ trait MemcachedTrait
      *
      * Examples for servers:
      * - 'memcached://user:pass@localhost?weight=33'
-     * - array(array('localhost', 11211, 33))
+     * - [['localhost', 11211, 33]]
      *
      * @param array[]|string|string[] $servers An array of servers, a DSN, or an array of DSNs
      * @param array                   $options An array of options

src/Symfony/Component/Cache/Traits/PhpArrayTrait.php

@@ -60,7 +60,7 @@ trait PhpArrayTrait
 
 // This file has been auto-generated by the Symfony Cache Component.
 
-return array(
+return [
 
 
 EOF;
@@ -97,7 +97,7 @@ EOF;
             $dump .= var_export($key, true).' => '.var_export($value, true).",\n";
         }
 
-        $dump .= "\n);\n";
+        $dump .= "\n];\n";
         $dump = str_replace("' . \"\\0\" . '", "\0", $dump);
 
         $tmpFile = uniqid($this->file, true);

src/Symfony/Component/Config/CHANGELOG.md

@@ -34,7 +34,7 @@ The edge case of defining just one value for nodes of type Enum is now allowed:
 $rootNode
     ->children()
         ->enumNode('variable')
-            ->values(array('value'))
+            ->values(['value'])
         ->end()
     ->end()
 ;

src/Symfony/Component/Config/Definition/ArrayNode.php

@@ -82,7 +82,7 @@ class ArrayNode extends BaseNode implements PrototypeNodeInterface
     /**
      * Sets the xml remappings that should be performed.
      *
-     * @param array $remappings An array of the form array(array(string, string))
+     * @param array $remappings An array of the form [[string, string]]
      */
     public function setXmlRemappings(array $remappings)
     {
@@ -92,7 +92,7 @@ class ArrayNode extends BaseNode implements PrototypeNodeInterface
     /**
      * Gets the xml remappings that should be performed.
      *
-     * @return array an array of the form array(array(string, string))
+     * @return array an array of the form [[string, string]]
      */
     public function getXmlRemappings()
     {

src/Symfony/Component/Config/Definition/Builder/ArrayNodeDefinition.php

@@ -214,15 +214,15 @@ class ArrayNodeDefinition extends NodeDefinition implements ParentNodeDefinition
      * to be the key of the particular item. For example, if "id" is the
      * "key", then:
      *
-     *     array(
+     *     [
-     *         array('id' => 'my_name', 'foo' => 'bar'),
+     *         ['id' => 'my_name', 'foo' => 'bar'],
-     *     );
+     *     ];
      *
      *   becomes
      *
-     *     array(
+     *     [
-     *         'my_name' => array('foo' => 'bar'),
+     *         'my_name' => ['foo' => 'bar'],
-     *     );
+     *     ];
      *
      * If you'd like "'id' => 'my_name'" to still be present in the resulting
      * array, then you can set the second argument of this method to false.

src/Symfony/Component/Config/Definition/PrototypedArrayNode.php

@@ -53,15 +53,15 @@ class PrototypedArrayNode extends ArrayNode
      * to be the key of the particular item. For example, if "id" is the
      * "key", then:
      *
-     *     array(
+     *     [
-     *         array('id' => 'my_name', 'foo' => 'bar'),
+     *         ['id' => 'my_name', 'foo' => 'bar'],
-     *     );
+     *     ];
      *
      *  becomes
      *
-     *      array(
+     *      [
-     *          'my_name' => array('foo' => 'bar'),
+     *          'my_name' => ['foo' => 'bar'],
-     *      );
+     *      ];
      *
      * If you'd like "'id' => 'my_name'" to still be present in the resulting
      * array, then you can set the second argument of this method to false.
@@ -335,30 +335,30 @@ class PrototypedArrayNode extends ArrayNode
      *
      * For example, assume $this->keyAttribute is 'name' and the value array is as follows:
      *
-     *     array(
+     *     [
-     *         array(
+     *         [
      *             'name' => 'name001',
      *             'value' => 'value001'
-     *         )
+     *         ]
-     *     )
+     *     ]
      *
      * Now, the key is 0 and the child node is:
      *
-     *     array(
+     *     [
      *        'name' => 'name001',
      *        'value' => 'value001'
-     *     )
+     *     ]
      *
      * When normalizing the value array, the 'name' element will removed from the child node
      * and its value becomes the new key of the child node:
      *
-     *     array(
+     *     [
-     *         'name001' => array('value' => 'value001')
+     *         'name001' => ['value' => 'value001']
-     *     )
+     *     ]
      *
      * Now only 'value' element is left in the child node which can be further simplified into a string:
      *
-     *     array('name001' => 'value001')
+     *     ['name001' => 'value001']
      *
      * Now, the key becomes 'name001' and the child node becomes 'value001' and
      * the prototype of child node 'name001' should be a ScalarNode instead of an ArrayNode instance.

src/Symfony/Component/Config/Tests/Definition/Builder/ExprBuilderTest.php

@@ -227,7 +227,7 @@ class ExprBuilderTest extends TestCase
      *
      * @param TreeBuilder $testBuilder The tree builder to finalize
      * @param array       $config      The config you want to use for the finalization, if nothing provided
-     *                                 a simple array('key'=>'value') will be used
+     *                                 a simple ['key'=>'value'] will be used
      *
      * @return array The finalized config values
      */

src/Symfony/Component/Config/Tests/Definition/PrototypedArrayNodeTest.php

@@ -66,12 +66,12 @@ class PrototypedArrayNodeTest extends TestCase
      * The above should finally be mapped to an array that looks like this
      * (because "id" is the key attribute).
      *
-     *     array(
+     *     [
-     *         'things' => array(
+     *         'things' => [
      *             'option1' => 'foo',
      *             'option2' => 'bar',
-     *         )
+     *         ]
-     *     )
+     *     ]
      */
     public function testMappedAttributeKeyIsRemoved()
     {
@@ -191,11 +191,11 @@ class PrototypedArrayNodeTest extends TestCase
      * The above should finally be mapped to an array that looks like this
      * (because "id" is the key attribute).
      *
-     *     array(
+     *     [
-     *         'things' => array(
+     *         'things' => [
      *             'option1' => 'value1'
-     *         )
+     *         ]
-     *     )
+     *     ]
      *
      * It's also possible to mix 'value-only' and 'non-value-only' elements in the array.
      *
@@ -206,15 +206,15 @@ class PrototypedArrayNodeTest extends TestCase
      *
      * The above should finally be mapped to an array as follows
      *
-     * array(
+     * [
-     *     'things' => array(
+     *     'things' => [
      *         'option1' => 'value1',
-     *         'option2' => array(
+     *         'option2' => [
      *             'value' => 'value2',
      *             'foo' => 'foo2'
-     *         )
+     *         ]
-     *     )
+     *     ]
-     * )
+     * ]
      *
      * The 'value' element can also be ArrayNode:
      *
@@ -229,14 +229,14 @@ class PrototypedArrayNodeTest extends TestCase
      *
      * The above should be finally be mapped to an array as follows
      *
-     * array(
+     * [
-     *     'things' => array(
+     *     'things' => [
-     *         'option1' => array(
+     *         'option1' => [
      *             'foo' => 'foo1',
      *             'bar' => 'bar1'
-     *         )
+     *         ]
-     *     )
+     *     ]
-     * )
+     * ]
      *
      * If using VariableNode for value node, it's also possible to mix different types of value nodes:
      *
@@ -252,15 +252,15 @@ class PrototypedArrayNodeTest extends TestCase
      *
      * The above should be finally mapped to an array as follows
      *
-     * array(
+     * [
-     *     'things' => array(
+     *     'things' => [
-     *         'option1' => array(
+     *         'option1' => [
      *             'foo' => 'foo1',
      *             'bar' => 'bar1'
-     *         ),
+     *         ],
      *         'option2' => 'value2'
-     *     )
+     *     ]
-     * )
+     * ]
      *
      *
      * @dataProvider getDataForKeyRemovedLeftValueOnly

src/Symfony/Component/Config/Tests/Resource/ReflectionClassResourceTest.php

@@ -71,7 +71,7 @@ class ReflectionClassResourceTest extends TestCase
 /* 2*/  {
 /* 3*/      const FOO = 123;
 /* 4*/
-/* 5*/      public $pub = array();
+/* 5*/      public $pub = [];
 /* 6*/
 /* 7*/      protected $prot;
 /* 8*/
@@ -79,7 +79,7 @@ class ReflectionClassResourceTest extends TestCase
 /*10*/
 /*11*/      public function pub($arg = null) {}
 /*12*/
-/*13*/      protected function prot($a = array()) {}
+/*13*/      protected function prot($a = []) {}
 /*14*/
 /*15*/      private function priv() {}
 /*16*/  }
@@ -119,8 +119,8 @@ EOPHP;
         yield [1, 3, 'const FOO = 456;'];
         yield [1, 3, 'const BAR = 123;'];
         yield [1, 4, '/** pub docblock */'];
-        yield [1, 5, 'protected $pub = array();'];
+        yield [1, 5, 'protected $pub = [];'];
-        yield [1, 5, 'public $pub = array(123);'];
+        yield [1, 5, 'public $pub = [123];'];
         yield [1, 6, '/** prot docblock */'];
         yield [1, 7, 'private $prot;'];
         yield [0, 8, '/** priv docblock */'];
@@ -134,7 +134,7 @@ EOPHP;
         }
         yield [0, 11, "public function pub(\$arg = null) {\nreturn 123;\n}"];
         yield [1, 12, '/** prot docblock */'];
-        yield [1, 13, 'protected function prot($a = array(123)) {}'];
+        yield [1, 13, 'protected function prot($a = [123]) {}'];
         yield [0, 14, '/** priv docblock */'];
         yield [0, 15, ''];
     }

src/Symfony/Component/Console/Input/ArrayInput.php

@@ -19,7 +19,7 @@ use Symfony\Component\Console\Exception\InvalidOptionException;
  *
  * Usage:
  *
- *     $input = new ArrayInput(array('name' => 'foo', '--bar' => 'foobar'));
+ *     $input = new ArrayInput(['name' => 'foo', '--bar' => 'foobar']);
  *
  * @author Fabien Potencier <fabien@symfony.com>
  */

src/Symfony/Component/Console/Input/InputDefinition.php

@@ -19,10 +19,10 @@ use Symfony\Component\Console\Exception\LogicException;
  *
  * Usage:
  *
- *     $definition = new InputDefinition(array(
+ *     $definition = new InputDefinition([
  *         new InputArgument('name', InputArgument::REQUIRED),
  *         new InputOption('foo', 'f', InputOption::VALUE_REQUIRED),
- *     ));
+ *     ]);
  *
  * @author Fabien Potencier <fabien@symfony.com>
  */

src/Symfony/Component/Console/Tests/Input/InputDefinitionTest.php

@@ -186,7 +186,7 @@ class InputDefinitionTest extends TestCase
             new InputArgument('foo1', InputArgument::OPTIONAL),
             new InputArgument('foo2', InputArgument::OPTIONAL, '', 'default'),
             new InputArgument('foo3', InputArgument::OPTIONAL | InputArgument::IS_ARRAY),
-        //  new InputArgument('foo4', InputArgument::OPTIONAL | InputArgument::IS_ARRAY, '', array(1, 2)),
+        //  new InputArgument('foo4', InputArgument::OPTIONAL | InputArgument::IS_ARRAY, '', [1, 2]),
         ]);
         $this->assertEquals(['foo1' => null, 'foo2' => 'default', 'foo3' => []], $definition->getArgumentDefaults(), '->getArgumentDefaults() return the default values for each argument');
 

src/Symfony/Component/Debug/Resources/ext/README.md

@@ -25,41 +25,41 @@ function symfony_zval_info($key, $array, $options = 0)
         return null;
     }
 
-    $info = array(
+    $info = [
         'type' => gettype($array[$key]),
         'zval_hash' => /* hashed memory address of $array[$key] */,
         'zval_refcount' => /* internal zval refcount of $array[$key] */,
         'zval_isref' => /* is_ref status of $array[$key] */,
-    );
+    ];
 
     switch ($info['type']) {
         case 'object':
-            $info += array(
+            $info += [
                 'object_class' => get_class($array[$key]),
                 'object_refcount' => /* internal object refcount of $array[$key] */,
                 'object_hash' => spl_object_hash($array[$key]),
                 'object_handle' => /* internal object handle $array[$key] */,
-            );
+            ];
             break;
 
         case 'resource':
-            $info += array(
+            $info += [
                 'resource_handle' => (int) $array[$key],
                 'resource_type' => get_resource_type($array[$key]),
                 'resource_refcount' => /* internal resource refcount of $array[$key] */,
-            );
+            ];
             break;
 
         case 'array':
-            $info += array(
+            $info += [
                 'array_count' => count($array[$key]),
-            );
+            ];
             break;
 
         case 'string':
-            $info += array(
+            $info += [
                 'strlen' => strlen($array[$key]),
-            );
+            ];
             break;
     }
 

src/Symfony/Component/Debug/Tests/DebugClassLoaderTest.php

@@ -28,14 +28,14 @@ class DebugClassLoaderTest extends TestCase
     {
         $this->errorReporting = error_reporting(E_ALL);
         $this->loader = new ClassLoader();
-        spl_autoload_register(array($this->loader, 'loadClass'), true, true);
+        spl_autoload_register([$this->loader, 'loadClass'], true, true);
         DebugClassLoader::enable();
     }
 
     protected function tearDown()
     {
         DebugClassLoader::disable();
-        spl_autoload_unregister(array($this->loader, 'loadClass'));
+        spl_autoload_unregister([$this->loader, 'loadClass']);
         error_reporting($this->errorReporting);
     }
 
@@ -45,7 +45,7 @@ class DebugClassLoaderTest extends TestCase
 
         $functions = spl_autoload_functions();
         foreach ($functions as $function) {
-            if (is_array($function) && $function[0] instanceof DebugClassLoader) {
+            if (\is_array($function) && $function[0] instanceof DebugClassLoader) {
                 $reflClass = new \ReflectionClass($function[0]);
                 $reflProp = $reflClass->getProperty('classLoader');
                 $reflProp->setAccessible(true);
@@ -81,7 +81,7 @@ class DebugClassLoaderTest extends TestCase
         if (\PHP_VERSION_ID >= 70000) {
             $this->markTestSkipped('PHP7 throws exceptions, unsilencing is not required anymore.');
         }
-        if (defined('HHVM_VERSION')) {
+        if (\defined('HHVM_VERSION')) {
             $this->markTestSkipped('HHVM is not handled in this test case.');
         }
 
@@ -106,7 +106,7 @@ class DebugClassLoaderTest extends TestCase
         if (class_exists('Symfony\Component\Debug\Exception\ContextErrorException', false)) {
             $this->markTestSkipped('The ContextErrorException class is already loaded.');
         }
-        if (defined('HHVM_VERSION')) {
+        if (\defined('HHVM_VERSION')) {
             $this->markTestSkipped('HHVM is not handled in this test case.');
         }
 
@@ -192,7 +192,7 @@ class DebugClassLoaderTest extends TestCase
     {
         set_error_handler(function () { return false; });
         $e = error_reporting(0);
-        trigger_error('', E_USER_DEPRECATED);
+        @trigger_error('', E_USER_DEPRECATED);
 
         class_exists('Test\\'.__NAMESPACE__.'\\'.$class, true);
 
@@ -202,20 +202,20 @@ class DebugClassLoaderTest extends TestCase
         $lastError = error_get_last();
         unset($lastError['file'], $lastError['line']);
 
-        $xError = array(
+        $xError = [
             'type' => E_USER_DEPRECATED,
             'message' => 'The "Test\Symfony\Component\Debug\Tests\\'.$class.'" class '.$type.' "Symfony\Component\Debug\Tests\Fixtures\\'.$super.'" that is deprecated but this is a test deprecation notice.',
-        );
+        ];
 
         $this->assertSame($xError, $lastError);
     }
 
     public function provideDeprecatedSuper()
     {
-        return array(
+        return [
-            array('DeprecatedInterfaceClass', 'DeprecatedInterface', 'implements'),
+            ['DeprecatedInterfaceClass', 'DeprecatedInterface', 'implements'],
-            array('DeprecatedParentClass', 'DeprecatedClass', 'extends'),
+            ['DeprecatedParentClass', 'DeprecatedClass', 'extends'],
-        );
+        ];
     }
 
     public function testInterfaceExtendsDeprecatedInterface()
@@ -232,10 +232,10 @@ class DebugClassLoaderTest extends TestCase
         $lastError = error_get_last();
         unset($lastError['file'], $lastError['line']);
 
-        $xError = array(
+        $xError = [
             'type' => E_USER_NOTICE,
             'message' => '',
-        );
+        ];
 
         $this->assertSame($xError, $lastError);
     }
@@ -254,10 +254,10 @@ class DebugClassLoaderTest extends TestCase
         $lastError = error_get_last();
         unset($lastError['file'], $lastError['line']);
 
-        $xError = array(
+        $xError = [
             'type' => E_USER_NOTICE,
             'message' => '',
-        );
+        ];
 
         $this->assertSame($xError, $lastError);
     }
@@ -280,10 +280,10 @@ class DebugClassLoaderTest extends TestCase
         $lastError = error_get_last();
         unset($lastError['file'], $lastError['line']);
 
-        $xError = array(
+        $xError = [
             'type' => E_USER_DEPRECATED,
             'message' => 'The "Test\Symfony\Component\Debug\Tests\Float" class uses the reserved name "Float", it will break on PHP 7 and higher',
-        );
+        ];
 
         $this->assertSame($xError, $lastError);
     }
@@ -302,17 +302,17 @@ class DebugClassLoaderTest extends TestCase
         $lastError = error_get_last();
         unset($lastError['file'], $lastError['line']);
 
-        $xError = array(
+        $xError = [
             'type' => E_USER_DEPRECATED,
             'message' => 'The "Symfony\Component\Debug\Tests\Fixtures\FinalClass" class is considered final since version 3.3. It may change without further notice as of its next major version. You should not extend it from "Test\Symfony\Component\Debug\Tests\ExtendsFinalClass".',
-        );
+        ];
 
         $this->assertSame($xError, $lastError);
     }
 
     public function testExtendedFinalMethod()
     {
-        $deprecations = array();
+        $deprecations = [];
         set_error_handler(function ($type, $msg) use (&$deprecations) { $deprecations[] = $msg; });
         $e = error_reporting(E_USER_DEPRECATED);
 
@@ -321,10 +321,10 @@ class DebugClassLoaderTest extends TestCase
         error_reporting($e);
         restore_error_handler();
 
-        $xError = array(
+        $xError = [
             'The "Symfony\Component\Debug\Tests\Fixtures\FinalMethod::finalMethod()" method is considered final since version 3.3. It may change without further notice as of its next major version. You should not extend it from "Symfony\Component\Debug\Tests\Fixtures\ExtendedFinalMethod".',
             'The "Symfony\Component\Debug\Tests\Fixtures\FinalMethod::finalMethod2()" method is considered final. It may change without further notice as of its next major version. You should not extend it from "Symfony\Component\Debug\Tests\Fixtures\ExtendedFinalMethod".',
-        );
+        ];
 
         $this->assertSame($xError, $deprecations);
     }
@@ -343,12 +343,12 @@ class DebugClassLoaderTest extends TestCase
         $lastError = error_get_last();
         unset($lastError['file'], $lastError['line']);
 
-        $this->assertSame(array('type' => E_USER_NOTICE, 'message' => ''), $lastError);
+        $this->assertSame(['type' => E_USER_NOTICE, 'message' => ''], $lastError);
     }
 
     public function testInternalsUse()
     {
-        $deprecations = array();
+        $deprecations = [];
         set_error_handler(function ($type, $msg) use (&$deprecations) { $deprecations[] = $msg; });
         $e = error_reporting(E_USER_DEPRECATED);
 
@@ -357,17 +357,17 @@ class DebugClassLoaderTest extends TestCase
         error_reporting($e);
         restore_error_handler();
 
-        $this->assertSame($deprecations, array(
+        $this->assertSame($deprecations, [
             'The "Symfony\Component\Debug\Tests\Fixtures\InternalInterface" interface is considered internal. It may change without further notice. You should not use it from "Test\Symfony\Component\Debug\Tests\ExtendsInternalsParent".',
             'The "Symfony\Component\Debug\Tests\Fixtures\InternalClass" class is considered internal since version 3.4. It may change without further notice. You should not use it from "Test\Symfony\Component\Debug\Tests\ExtendsInternalsParent".',
             'The "Symfony\Component\Debug\Tests\Fixtures\InternalTrait" trait is considered internal. It may change without further notice. You should not use it from "Test\Symfony\Component\Debug\Tests\ExtendsInternals".',
             'The "Symfony\Component\Debug\Tests\Fixtures\InternalClass::internalMethod()" method is considered internal since version 3.4. It may change without further notice. You should not extend it from "Test\Symfony\Component\Debug\Tests\ExtendsInternals".',
-        ));
+        ]);
     }
 
     public function testUseTraitWithInternalMethod()
     {
-        $deprecations = array();
+        $deprecations = [];
         set_error_handler(function ($type, $msg) use (&$deprecations) { $deprecations[] = $msg; });
         $e = error_reporting(E_USER_DEPRECATED);
 
@@ -376,7 +376,7 @@ class DebugClassLoaderTest extends TestCase
         error_reporting($e);
         restore_error_handler();
 
-        $this->assertSame(array(), $deprecations);
+        $this->assertSame([], $deprecations);
     }
 }
 
@@ -388,12 +388,12 @@ class ClassLoader
 
     public function getClassMap()
     {
-        return array(__NAMESPACE__.'\Fixtures\NotPSR0bis' => __DIR__.'/Fixtures/notPsr0Bis.php');
+        return [__NAMESPACE__.'\Fixtures\NotPSR0bis' => __DIR__.'/Fixtures/notPsr0Bis.php'];
     }
 
     public function findFile($class)
     {
-        $fixtureDir = __DIR__.DIRECTORY_SEPARATOR.'Fixtures'.DIRECTORY_SEPARATOR;
+        $fixtureDir = __DIR__.\DIRECTORY_SEPARATOR.'Fixtures'.\DIRECTORY_SEPARATOR;
 
         if (__NAMESPACE__.'\TestingUnsilencing' === $class) {
             eval('-- parse error --');
@@ -402,7 +402,7 @@ class ClassLoader
         } elseif (__NAMESPACE__.'\TestingCaseMismatch' === $class) {
             eval('namespace '.__NAMESPACE__.'; class TestingCaseMisMatch {}');
         } elseif (__NAMESPACE__.'\Fixtures\Psr4CaseMismatch' === $class) {
-            return $fixtureDir.'psr4'.DIRECTORY_SEPARATOR.'Psr4CaseMismatch.php';
+            return $fixtureDir.'psr4'.\DIRECTORY_SEPARATOR.'Psr4CaseMismatch.php';
         } elseif (__NAMESPACE__.'\Fixtures\NotPSR0' === $class) {
             return $fixtureDir.'reallyNotPsr0.php';
         } elseif (__NAMESPACE__.'\Fixtures\NotPSR0bis' === $class) {

src/Symfony/Component/DependencyInjection/ContainerBuilder.php

@@ -647,7 +647,7 @@ class ContainerBuilder extends Container implements TaggedContainerInterface
      * the parameters passed to the container constructor to have precedence
      * over the loaded ones.
      *
-     *     $container = new ContainerBuilder(new ParameterBag(array('foo' => 'bar')));
+     *     $container = new ContainerBuilder(new ParameterBag(['foo' => 'bar']));
      *     $loader = new LoaderXXX($container);
      *     $loader->load('resource_name');
      *     $container->register('foo', 'stdClass');
@@ -1288,7 +1288,7 @@ class ContainerBuilder extends Container implements TaggedContainerInterface
      *
      * Example:
      *
-     *     $container->register('foo')->addTag('my.tag', array('hello' => 'world'));
+     *     $container->register('foo')->addTag('my.tag', ['hello' => 'world']);
      *
      *     $serviceIds = $container->findTaggedServiceIds('my.tag');
      *     foreach ($serviceIds as $serviceId => $tags) {

src/Symfony/Component/DependencyInjection/ServiceSubscriberInterface.php

@@ -33,16 +33,16 @@ interface ServiceSubscriberInterface
      *
      * For mandatory dependencies:
      *
-     *  * array('logger' => 'Psr\Log\LoggerInterface') means the objects use the "logger" name
+     *  * ['logger' => 'Psr\Log\LoggerInterface'] means the objects use the "logger" name
      *    internally to fetch a service which must implement Psr\Log\LoggerInterface.
-     *  * array('Psr\Log\LoggerInterface') is a shortcut for
+     *  * ['Psr\Log\LoggerInterface'] is a shortcut for
-     *  * array('Psr\Log\LoggerInterface' => 'Psr\Log\LoggerInterface')
+     *  * ['Psr\Log\LoggerInterface' => 'Psr\Log\LoggerInterface']
      *
      * otherwise:
      *
-     *  * array('logger' => '?Psr\Log\LoggerInterface') denotes an optional dependency
+     *  * ['logger' => '?Psr\Log\LoggerInterface'] denotes an optional dependency
-     *  * array('?Psr\Log\LoggerInterface') is a shortcut for
+     *  * ['?Psr\Log\LoggerInterface'] is a shortcut for
-     *  * array('Psr\Log\LoggerInterface' => '?Psr\Log\LoggerInterface')
+     *  * ['Psr\Log\LoggerInterface' => '?Psr\Log\LoggerInterface']
      *
      * @return array The required service types, optionally keyed by service names
      */

src/Symfony/Component/DomCrawler/Crawler.php

@@ -626,7 +626,7 @@ class Crawler implements \Countable, \IteratorAggregate
      *
      * Example:
      *
-     *     $crawler->filter('h1 a')->extract(array('_text', 'href'));
+     *     $crawler->filter('h1 a')->extract(['_text', 'href']);
      *
      * @param array $attributes An array of attributes
      *

src/Symfony/Component/DomCrawler/FormFieldRegistry.php

@@ -133,7 +133,7 @@ class FormFieldRegistry
     /**
      * Returns the list of field with their value.
      *
-     * @return FormField[] The list of fields as array((string) Fully qualified name => (mixed) value)
+     * @return FormField[] The list of fields as [string] Fully qualified name => (mixed) value)
      */
     public function all()
     {
@@ -167,7 +167,7 @@ class FormFieldRegistry
      * @param string $base   The name of the base field
      * @param array  $output The initial values
      *
-     * @return array The list of fields as array((string) Fully qualified name => (mixed) value)
+     * @return array The list of fields as [string] Fully qualified name => (mixed) value)
      */
     private function walk(array $array, $base = '', array &$output = [])
     {
@@ -186,7 +186,7 @@ class FormFieldRegistry
     /**
      * Splits a field name into segments as a web browser would do.
      *
-     *     getSegments('base[foo][3][]') = array('base', 'foo, '3', '');
+     *     getSegments('base[foo][3][]') = ['base', 'foo, '3', ''];
      *
      * @param string $name The name of the field
      *

src/Symfony/Component/EventDispatcher/ContainerAwareEventDispatcher.php

@@ -67,7 +67,7 @@ class ContainerAwareEventDispatcher extends EventDispatcher
         @trigger_error(sprintf('The %s class is deprecated since Symfony 3.3 and will be removed in 4.0. Use EventDispatcher with closure factories instead.', __CLASS__), E_USER_DEPRECATED);
 
         if (!\is_array($callback) || 2 !== \count($callback)) {
-            throw new \InvalidArgumentException('Expected an array("service", "method") argument');
+            throw new \InvalidArgumentException('Expected an ["service", "method"] argument');
         }
 
         $this->listenerIds[$eventName][] = [$callback[0], $callback[1], $priority];

src/Symfony/Component/EventDispatcher/EventSubscriberInterface.php

@@ -36,9 +36,9 @@ interface EventSubscriberInterface
      *
      * For instance:
      *
-     *  * array('eventName' => 'methodName')
+     *  * ['eventName' => 'methodName']
-     *  * array('eventName' => array('methodName', $priority))
+     *  * ['eventName' => ['methodName', $priority]]
-     *  * array('eventName' => array(array('methodName1', $priority), array('methodName2')))
+     *  * ['eventName' => [['methodName1', $priority], ['methodName2']]]
      *
      * @return array The event names to listen to
      */

src/Symfony/Component/Filesystem/Filesystem.php

@@ -730,7 +730,7 @@ class Filesystem
     }
 
     /**
-     * Gets a 2-tuple of scheme (may be null) and hierarchical part of a filename (e.g. file:///tmp -> array(file, tmp)).
+     * Gets a 2-tuple of scheme (may be null) and hierarchical part of a filename (e.g. file:///tmp -> [file, tmp]).
      *
      * @param string $filename The filename to be parsed
      *

src/Symfony/Component/Finder/Glob.php

@@ -18,7 +18,7 @@ namespace Symfony\Component\Finder;
  *
  *     // prints foo.bar and foo.baz
  *     $regex = glob_to_regex("foo.*");
- *     for (array('foo.bar', 'foo.baz', 'foo', 'bar') as $t)
+ *     for (['foo.bar', 'foo.baz', 'foo', 'bar'] as $t)
  *     {
  *         if (/$regex/) echo "matched: $car\n";
  *     }

src/Symfony/Component/Form/ChoiceList/ChoiceListInterface.php

@@ -48,19 +48,19 @@ interface ChoiceListInterface
      * keys of the choices. If the original array contained nested arrays, these
      * nested arrays are represented here as well:
      *
-     *     $form->add('field', 'choice', array(
+     *     $form->add('field', 'choice', [
-     *         'choices' => array(
+     *         'choices' => [
-     *             'Decided' => array('Yes' => true, 'No' => false),
+     *             'Decided' => ['Yes' => true, 'No' => false],
-     *             'Undecided' => array('Maybe' => null),
+     *             'Undecided' => ['Maybe' => null],
-     *         ),
+     *         ],
-     *     ));
+     *     ]);
      *
      * In this example, the result of this method is:
      *
-     *     array(
+     *     [
-     *         'Decided' => array('Yes' => '0', 'No' => '1'),
+     *         'Decided' => ['Yes' => '0', 'No' => '1'],
-     *         'Undecided' => array('Maybe' => '2'),
+     *         'Undecided' => ['Maybe' => '2'],
-     *     )
+     *     ]
      *
      * @return string[] The choice values
      */
@@ -73,12 +73,12 @@ interface ChoiceListInterface
      * "choice" option of the choice type. Note that this array may contain
      * duplicates if the "choice" option contained choice groups:
      *
-     *     $form->add('field', 'choice', array(
+     *     $form->add('field', 'choice', [
-     *         'choices' => array(
+     *         'choices' => [
-     *             'Decided' => array(true, false),
+     *             'Decided' => [true, false],
-     *             'Undecided' => array(null),
+     *             'Undecided' => [null],
-     *         ),
+     *         ],
-     *     ));
+     *     ]);
      *
      * In this example, the original key 0 appears twice, once for `true` and
      * once for `null`.

src/Symfony/Component/Form/Forms.php

@@ -26,9 +26,9 @@ use Symfony\Component\Form\Extension\Core\CoreExtension;
  *         ->add('firstName', 'Symfony\Component\Form\Extension\Core\Type\TextType')
  *         ->add('lastName', 'Symfony\Component\Form\Extension\Core\Type\TextType')
  *         ->add('age', 'Symfony\Component\Form\Extension\Core\Type\IntegerType')
- *         ->add('color', 'Symfony\Component\Form\Extension\Core\Type\ChoiceType', array(
+ *         ->add('color', 'Symfony\Component\Form\Extension\Core\Type\ChoiceType', [
- *             'choices' => array('Red' => 'r', 'Blue' => 'b'),
+ *             'choices' => ['Red' => 'r', 'Blue' => 'b'],
- *         ))
+ *         ])
  *         ->getForm();
  *
  * You can also add custom extensions to the form factory:
@@ -68,9 +68,9 @@ use Symfony\Component\Form\Extension\Core\CoreExtension;
  *     use Symfony\Component\Form\Extension\Templating\TemplatingExtension;
  *
  *     $formFactory = Forms::createFormFactoryBuilder()
- *         ->addExtension(new TemplatingExtension($engine, null, array(
+ *         ->addExtension(new TemplatingExtension($engine, null, [
  *             'FrameworkBundle:Form',
- *         )))
+ *         ]))
  *         ->getFormFactory();
  *
  * The next example shows how to include the "<table>" layout:
@@ -78,10 +78,10 @@ use Symfony\Component\Form\Extension\Core\CoreExtension;
  *     use Symfony\Component\Form\Extension\Templating\TemplatingExtension;
  *
  *     $formFactory = Forms::createFormFactoryBuilder()
- *         ->addExtension(new TemplatingExtension($engine, null, array(
+ *         ->addExtension(new TemplatingExtension($engine, null, [
  *             'FrameworkBundle:Form',
  *             'FrameworkBundle:FormTable',
- *         )))
+ *         ]))
  *         ->getFormFactory();
  *
  * @author Bernhard Schussek <bschussek@gmail.com>

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

@@ -41,8 +41,8 @@ class DateTimeToStringTransformerTest extends TestCase
             // this will not work as PHP will use actual date to replace missing info
             // and after change of date will lookup for closest Wednesday
             // i.e. value: 2010-02, PHP value: 2010-02-(today i.e. 20), parsed date: 2010-02-24
-            //array('Y-m-D', '2010-02-Wed', '2010-02-03 00:00:00 UTC'),
+            //['Y-m-D', '2010-02-Wed', '2010-02-03 00:00:00 UTC'],
-            //array('Y-m-l', '2010-02-Wednesday', '2010-02-03 00:00:00 UTC'),
+            //['Y-m-l', '2010-02-Wednesday', '2010-02-03 00:00:00 UTC'],
 
             // different month representations
             ['Y-n-d', '2010-2-03', '2010-02-03 00:00:00 UTC'],

src/Symfony/Component/Form/Tests/Util/StringUtilTest.php

@@ -47,7 +47,7 @@ class StringUtilTest extends TestCase
             ['0020'],
             ['00A0'],
             ['1680'],
-//            array('180E'),
+//            ['180E'],
             ['2000'],
             ['2001'],
             ['2002'],
@@ -72,7 +72,7 @@ class StringUtilTest extends TestCase
             ['000D'],
             ['0085'],
             // zero width space
-//            array('200B'),
+//            ['200B'],
         ];
     }
 

src/Symfony/Component/Form/Util/FormUtil.php

@@ -36,7 +36,7 @@ class FormUtil
      */
     public static function isEmpty($data)
     {
-        // Should not do a check for array() === $data!!!
+        // Should not do a check for [] === $data!!!
         // This method is used in occurrences where arrays are
         // not considered to be empty, ever.
         return null === $data || '' === $data;

src/Symfony/Component/HttpFoundation/Session/Storage/Handler/PdoSessionHandler.php

@@ -161,7 +161,7 @@ class PdoSessionHandler extends AbstractSessionHandler
      *  * db_time_col: The column where to store the timestamp [default: sess_time]
      *  * db_username: The username when lazy-connect [default: '']
      *  * db_password: The password when lazy-connect [default: '']
-     *  * db_connection_options: An array of driver-specific connection options [default: array()]
+     *  * db_connection_options: An array of driver-specific connection options [default: []]
      *  * lock_mode: The strategy for locking, see constants [default: LOCK_TRANSACTIONAL]
      *
      * @param \PDO|string|null $pdoOrDsn A \PDO instance or DSN string or URL string or null

src/Symfony/Component/HttpFoundation/Session/Storage/NativeSessionStorage.php

@@ -331,7 +331,7 @@ class NativeSessionStorage implements SessionStorageInterface
      * For convenience we omit 'session.' from the beginning of the keys.
      * Explicitly ignores other ini keys.
      *
-     * @param array $options Session ini directives array(key => value)
+     * @param array $options Session ini directives [key => value]
      *
      * @see http://php.net/session.configuration
      */

src/Symfony/Component/HttpFoundation/Tests/ResponseTest.php

@@ -576,7 +576,7 @@ class ResponseTest extends ResponseTestCase
     public function testSetCache()
     {
         $response = new Response();
-        //array('etag', 'last_modified', 'max_age', 's_maxage', 'private', 'public')
+        // ['etag', 'last_modified', 'max_age', 's_maxage', 'private', 'public']
         try {
             $response->setCache(['wrong option' => 'value']);
             $this->fail('->setCache() throws an InvalidArgumentException if an option is not supported');

src/Symfony/Component/HttpKernel/Controller/ControllerResolver.php

@@ -216,7 +216,7 @@ class ControllerResolver implements ArgumentResolverInterface, ControllerResolve
         }
 
         if (2 !== \count($callable)) {
-            return 'Invalid format for controller, expected array(controller, method) or controller::method.';
+            return 'Invalid format for controller, expected [controller, method] or controller::method.';
         }
 
         list($controller, $method) = $callable;

src/Symfony/Component/Inflector/Tests/InflectorTest.php

@@ -149,9 +149,9 @@ class InflectorTest extends TestCase
             ['SubTrees', ['SubTre', 'SubTree']],
 
             // Known issues
-            //array('insignia', 'insigne'),
+            //['insignia', 'insigne'],
-            //array('insignias', 'insigne'),
+            //['insignias', 'insigne'],
-            //array('rattles', 'rattle'),
+            //['rattles', 'rattle'],
         ];
     }
 

src/Symfony/Component/Intl/Data/Bundle/Reader/BundleEntryReaderInterface.php

@@ -35,7 +35,7 @@ interface BundleEntryReaderInterface extends BundleReaderInterface
      *
      * Then the value can be read by calling:
      *
-     *     $reader->readEntry('...', 'en', array('TopLevel', 'NestedLevel', 'Entry'));
+     *     $reader->readEntry('...', 'en', ['TopLevel', 'NestedLevel', 'Entry']);
      *
      * @param string   $path     The path to the resource bundle
      * @param string   $locale   The locale to read

src/Symfony/Component/Intl/Tests/NumberFormatter/AbstractNumberFormatterTest.php

@@ -439,7 +439,7 @@ abstract class AbstractNumberFormatterTest extends TestCase
         return [
             [1.121, '1.12'],
             [1.123, '1.12'],
-            // array(1.125, '1.13'),
+            // [1.125, '1.13'],
             [1.127, '1.13'],
             [1.129, '1.13'],
             [1020 / 100, '10.20'],

src/Symfony/Component/Process/PhpProcess.php

@@ -64,7 +64,7 @@ class PhpProcess extends Process
     /**
      * {@inheritdoc}
      */
-    public function start(callable $callback = null/*, array $env = array()*/)
+    public function start(callable $callback = null/*, array $env = []*/)
     {
         if (null === $this->getCommandLine()) {
             throw new RuntimeException('Unable to find the PHP executable.');

src/Symfony/Component/Process/Process.php

@@ -204,7 +204,7 @@ class Process implements \IteratorAggregate
      *
      * @final since version 3.3
      */
-    public function run($callback = null/*, array $env = array()*/)
+    public function run($callback = null/*, array $env = []*/)
     {
         $env = 1 < \func_num_args() ? func_get_arg(1) : null;
         $this->start($callback, $env);
@@ -228,7 +228,7 @@ class Process implements \IteratorAggregate
      *
      * @final since version 3.3
      */
-    public function mustRun(callable $callback = null/*, array $env = array()*/)
+    public function mustRun(callable $callback = null/*, array $env = []*/)
     {
         if (!$this->enhanceSigchildCompatibility && $this->isSigchildEnabled()) {
             throw new RuntimeException('This PHP has been compiled with --enable-sigchild. You must use setEnhanceSigchildCompatibility() to use this method.');
@@ -262,7 +262,7 @@ class Process implements \IteratorAggregate
      * @throws RuntimeException When process is already running
      * @throws LogicException   In case a callback is provided and output has been disabled
      */
-    public function start(callable $callback = null/*, array $env = array()*/)
+    public function start(callable $callback = null/*, array $env = [*/)
     {
         if ($this->isRunning()) {
             throw new RuntimeException('Process is already running');
@@ -378,7 +378,7 @@ class Process implements \IteratorAggregate
      *
      * @final since version 3.3
      */
-    public function restart(callable $callback = null/*, array $env = array()*/)
+    public function restart(callable $callback = null/*, array $env = []*/)
     {
         if ($this->isRunning()) {
             throw new RuntimeException('Process is already running');

src/Symfony/Component/Process/Tests/ProcessTest.php

@@ -1164,8 +1164,8 @@ class ProcessTest extends TestCase
     {
         return [
             //expected output / getter / code to execute
-            //array(1,'getExitCode','exit(1);'),
+            //[1,'getExitCode','exit(1);'],
-            //array(true,'isSuccessful','exit();'),
+            //[true,'isSuccessful','exit();'],
             ['output', 'getOutput', 'echo \'output\';'],
         ];
     }

src/Symfony/Component/Routing/CHANGELOG.md

@@ -41,7 +41,7 @@ CHANGELOG
    Before:
 
    ```php
-   $router->generate('blog_show', array('slug' => 'my-blog-post'), true);
+   $router->generate('blog_show', ['slug' => 'my-blog-post'], true);
    ```
 
    After:
@@ -49,7 +49,7 @@ CHANGELOG
    ```php
    use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
 
-   $router->generate('blog_show', array('slug' => 'my-blog-post'), UrlGeneratorInterface::ABSOLUTE_URL);
+   $router->generate('blog_show', ['slug' => 'my-blog-post'], UrlGeneratorInterface::ABSOLUTE_URL);
    ```
 
 2.5.0
@@ -114,7 +114,7 @@ CHANGELOG
    ```php
    $route = new Route();
    $route->setPath('/article/{id}');
-   $route->setMethods(array('POST', 'PUT'));
+   $route->setMethods(['POST', 'PUT']);
    $route->setSchemes('https');
    ```
 
@@ -169,10 +169,10 @@ CHANGELOG
    used with a single parameter. The other params `$prefix`, `$default`, `$requirements` and `$options`
    will still work, but have been deprecated. The `addPrefix` method should be used for this
    use-case instead.
-   Before: `$parentCollection->addCollection($collection, '/prefix', array(...), array(...))`
+   Before: `$parentCollection->addCollection($collection, '/prefix', [...], [...])`
    After:
    ```php
-   $collection->addPrefix('/prefix', array(...), array(...));
+   $collection->addPrefix('/prefix', [...], [...]);
    $parentCollection->addCollection($collection);
    ```
  * added support for the method default argument values when defining a @Route
@@ -197,7 +197,7 @@ CHANGELOG
    (only relevant if you implemented your own RouteCompiler).
  * Added possibility to generate relative paths and network paths in the UrlGenerator, e.g.
    "../parent-file" and "//example.com/dir/file". The third parameter in
-   `UrlGeneratorInterface::generate($name, $parameters = array(), $referenceType = self::ABSOLUTE_PATH)`
+   `UrlGeneratorInterface::generate($name, $parameters = [], $referenceType = self::ABSOLUTE_PATH)`
    now accepts more values and you should use the constants defined in `UrlGeneratorInterface` for
    claritiy. The old method calls with a Boolean parameter will continue to work because they
    equal the signature using the constants.

src/Symfony/Component/Routing/Generator/Dumper/PhpGeneratorDumper.php

@@ -76,7 +76,7 @@ EOF;
      */
     private function generateDeclaredRoutes()
     {
-        $routes = "array(\n";
+        $routes = "[\n";
         foreach ($this->getRoutes()->all() as $name => $route) {
             $compiledRoute = $route->compile();
 
@@ -90,7 +90,7 @@ EOF;
 
             $routes .= sprintf("        '%s' => %s,\n", $name, str_replace("\n", '', var_export($properties, true)));
         }
-        $routes .= '    )';
+        $routes .= '    ]';
 
         return $routes;
     }
@@ -103,7 +103,7 @@ EOF;
     private function generateGenerateMethod()
     {
         return <<<'EOF'
-    public function generate($name, $parameters = array(), $referenceType = self::ABSOLUTE_PATH)
+    public function generate($name, $parameters = [], $referenceType = self::ABSOLUTE_PATH)
     {
         if (!isset(self::$declaredRoutes[$name])) {
             throw new RouteNotFoundException(sprintf('Unable to generate a URL for the named route "%s" as such route does not exist.', $name));

src/Symfony/Component/Routing/RouteCompiler.php

@@ -154,7 +154,7 @@ class RouteCompiler implements RouteCompilerInterface
                 // Find the next static character after the variable that functions as a separator. By default, this separator and '/'
                 // are disallowed for the variable. This default requirement makes sure that optional variables can be matched at all
                 // and that the generating-matching-combination of URLs unambiguous, i.e. the params used for generating the URL are
-                // the same that will be matched. Example: new Route('/{page}.{_format}', array('_format' => 'html'))
+                // the same that will be matched. Example: new Route('/{page}.{_format}', ['_format' => 'html'])
                 // If {page} would also match the separating dot, {_format} would never match as {page} will eagerly consume everything.
                 // Also even if {_format} was not optional the requirement prevents that {page} matches something that was originally
                 // part of {_format} when generating the URL, e.g. _format = 'mobile.html'.

src/Symfony/Component/Routing/Tests/RouteTest.php

@@ -153,7 +153,7 @@ class RouteTest extends TestCase
     public function testScheme()
     {
         $route = new Route('/');
-        $this->assertEquals([], $route->getSchemes(), 'schemes is initialized with array()');
+        $this->assertEquals([], $route->getSchemes(), 'schemes is initialized with []');
         $this->assertFalse($route->hasScheme('http'));
         $route->setSchemes('hTTp');
         $this->assertEquals(['http'], $route->getSchemes(), '->setSchemes() accepts a single scheme string and lowercases it');
@@ -168,7 +168,7 @@ class RouteTest extends TestCase
     public function testMethod()
     {
         $route = new Route('/');
-        $this->assertEquals([], $route->getMethods(), 'methods is initialized with array()');
+        $this->assertEquals([], $route->getMethods(), 'methods is initialized with []');
         $route->setMethods('gEt');
         $this->assertEquals(['GET'], $route->getMethods(), '->setMethods() accepts a single method string and uppercases it');
         $route->setMethods(['gEt', 'PosT']);

src/Symfony/Component/Security/Core/User/UserInterface.php

@@ -38,7 +38,7 @@ interface UserInterface
      *
      *     public function getRoles()
      *     {
-     *         return array('ROLE_USER');
+     *         return ['ROLE_USER'];
      *     }
      *
      * Alternatively, the roles might be stored on a ``roles`` property,

src/Symfony/Component/Security/Guard/AuthenticatorInterface.php

@@ -44,14 +44,14 @@ interface AuthenticatorInterface extends GuardAuthenticatorInterface
      *
      * For example, for a form login, you might:
      *
-     *      return array(
+     *      return [
      *          'username' => $request->request->get('_username'),
      *          'password' => $request->request->get('_password'),
-     *      );
+     *      ];
      *
      * Or for an API token that's on a header, you might use:
      *
-     *      return array('api_key' => $request->headers->get('X-API-TOKEN'));
+     *      return ['api_key' => $request->headers->get('X-API-TOKEN')];
      *
      * @param Request $request
      *

src/Symfony/Component/Security/Guard/GuardAuthenticatorInterface.php

@@ -43,17 +43,17 @@ interface GuardAuthenticatorInterface extends AuthenticationEntryPointInterface
      * For example, for a form login, you might:
      *
      *     if ($request->request->has('_username')) {
-     *         return array(
+     *         return [
      *             'username' => $request->request->get('_username'),
      *             'password' => $request->request->get('_password'),
-     *         );
+     *         ];
      *     } else {
      *         return;
      *     }
      *
      * Or for an API token that's on a header, you might use:
      *
-     *     return array('api_key' => $request->headers->get('X-API-TOKEN'));
+     *     return ['api_key' => $request->headers->get('X-API-TOKEN')];
      *
      * @param Request $request
      *

src/Symfony/Component/Security/Http/FirewallMapInterface.php

@@ -30,7 +30,7 @@ interface FirewallMapInterface
      * If there is no exception listener, the second element of the outer array
      * must be null.
      *
-     * @return array of the format array(array(AuthenticationListener), ExceptionListener)
+     * @return array of the format [[AuthenticationListener], ExceptionListener]
      */
     public function getListeners(Request $request);
 }

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

@@ -43,7 +43,7 @@ class ChainDecoder implements DecoderInterface /*, ContextAwareDecoderInterface*
     /**
      * {@inheritdoc}
      */
-    public function supportsDecoding($format/*, array $context = array()*/)
+    public function supportsDecoding($format/*, array $context = []*/)
     {
         $context = \func_num_args() > 1 ? func_get_arg(1) : [];
 

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

@@ -43,7 +43,7 @@ class ChainEncoder implements EncoderInterface /*, ContextAwareEncoderInterface*
     /**
      * {@inheritdoc}
      */
-    public function supportsEncoding($format/*, array $context = array()*/)
+    public function supportsEncoding($format/*, array $context = []*/)
     {
         $context = \func_num_args() > 1 ? func_get_arg(1) : [];
 
@@ -64,7 +64,7 @@ class ChainEncoder implements EncoderInterface /*, ContextAwareEncoderInterface*
      *
      * @return bool
      */
-    public function needsNormalization($format/*, array $context = array()*/)
+    public function needsNormalization($format/*, array $context = []*/)
     {
         $context = \func_num_args() > 1 ? func_get_arg(1) : [];
         $encoder = $this->getEncoder($format, $context);

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

@@ -396,7 +396,7 @@ class XmlEncoder extends SerializerAwareEncoder implements EncoderInterface, Dec
                         /*
                          * Create nodes to append to $parentNode based on the $key of this array
                          * Produces <xml><item>0</item><item>1</item></xml>
-                         * From array("item" => array(0,1));.
+                         * From ["item" => [0,1]];.
                          */
                         foreach ($data as $subData) {
                             $append = $this->appendNode($parentNode, $subData, $key);

src/Symfony/Component/Serializer/Normalizer/ArrayDenormalizer.php

@@ -66,7 +66,7 @@ class ArrayDenormalizer implements DenormalizerInterface, SerializerAwareInterfa
     /**
      * {@inheritdoc}
      */
-    public function supportsDenormalization($data, $type, $format = null/*, array $context = array()*/)
+    public function supportsDenormalization($data, $type, $format = null/*, array $context = []*/)
     {
         $context = \func_num_args() > 3 ? func_get_arg(3) : [];
 

src/Symfony/Component/Serializer/Serializer.php

@@ -188,7 +188,7 @@ class Serializer implements SerializerInterface, NormalizerInterface, Denormaliz
     /**
      * {@inheritdoc}
      */
-    public function supportsNormalization($data, $format = null/*, array $context = array()*/)
+    public function supportsNormalization($data, $format = null/*, array $context = []*/)
     {
         if (\func_num_args() > 2) {
             $context = \func_get_arg(2);
@@ -196,7 +196,7 @@ class Serializer implements SerializerInterface, NormalizerInterface, Denormaliz
             if (__CLASS__ !== \get_class($this)) {
                 $r = new \ReflectionMethod($this, __FUNCTION__);
                 if (__CLASS__ !== $r->getDeclaringClass()->getName()) {
-                    @trigger_error(sprintf('The "%s()" method will have a third `$context = array()` argument in version 4.0. Not defining it is deprecated since Symfony 3.3.', __METHOD__), E_USER_DEPRECATED);
+                    @trigger_error(sprintf('The "%s()" method will have a third `$context = []` argument in version 4.0. Not defining it is deprecated since Symfony 3.3.', __METHOD__), E_USER_DEPRECATED);
                 }
             }
 
@@ -209,7 +209,7 @@ class Serializer implements SerializerInterface, NormalizerInterface, Denormaliz
     /**
      * {@inheritdoc}
      */
-    public function supportsDenormalization($data, $type, $format = null/*, array $context = array()*/)
+    public function supportsDenormalization($data, $type, $format = null/*, array $context = []*/)
     {
         if (\func_num_args() > 3) {
             $context = \func_get_arg(3);
@@ -217,7 +217,7 @@ class Serializer implements SerializerInterface, NormalizerInterface, Denormaliz
             if (__CLASS__ !== \get_class($this)) {
                 $r = new \ReflectionMethod($this, __FUNCTION__);
                 if (__CLASS__ !== $r->getDeclaringClass()->getName()) {
-                    @trigger_error(sprintf('The "%s()" method will have a fourth `$context = array()` argument in version 4.0. Not defining it is deprecated since Symfony 3.3.', __METHOD__), E_USER_DEPRECATED);
+                    @trigger_error(sprintf('The "%s()" method will have a fourth `$context = []` argument in version 4.0. Not defining it is deprecated since Symfony 3.3.', __METHOD__), E_USER_DEPRECATED);
                 }
             }
 
@@ -283,7 +283,7 @@ class Serializer implements SerializerInterface, NormalizerInterface, Denormaliz
     /**
      * {@inheritdoc}
      */
-    public function supportsEncoding($format/*, array $context = array()*/)
+    public function supportsEncoding($format/*, array $context = []*/)
     {
         if (\func_num_args() > 1) {
             $context = \func_get_arg(1);
@@ -291,7 +291,7 @@ class Serializer implements SerializerInterface, NormalizerInterface, Denormaliz
             if (__CLASS__ !== \get_class($this)) {
                 $r = new \ReflectionMethod($this, __FUNCTION__);
                 if (__CLASS__ !== $r->getDeclaringClass()->getName()) {
-                    @trigger_error(sprintf('The "%s()" method will have a second `$context = array()` argument in version 4.0. Not defining it is deprecated since Symfony 3.3.', __METHOD__), E_USER_DEPRECATED);
+                    @trigger_error(sprintf('The "%s()" method will have a second `$context = []` argument in version 4.0. Not defining it is deprecated since Symfony 3.3.', __METHOD__), E_USER_DEPRECATED);
                 }
             }
 
@@ -304,7 +304,7 @@ class Serializer implements SerializerInterface, NormalizerInterface, Denormaliz
     /**
      * {@inheritdoc}
      */
-    public function supportsDecoding($format/*, array $context = array()*/)
+    public function supportsDecoding($format/*, array $context = []*/)
     {
         if (\func_num_args() > 1) {
             $context = \func_get_arg(1);
@@ -312,7 +312,7 @@ class Serializer implements SerializerInterface, NormalizerInterface, Denormaliz
             if (__CLASS__ !== \get_class($this)) {
                 $r = new \ReflectionMethod($this, __FUNCTION__);
                 if (__CLASS__ !== $r->getDeclaringClass()->getName()) {
-                    @trigger_error(sprintf('The "%s()" method will have a second `$context = array()` argument in version 4.0. Not defining it is deprecated since Symfony 3.3.', __METHOD__), E_USER_DEPRECATED);
+                    @trigger_error(sprintf('The "%s()" method will have a second `$context = []` argument in version 4.0. Not defining it is deprecated since Symfony 3.3.', __METHOD__), E_USER_DEPRECATED);
                 }
             }
 

src/Symfony/Component/Translation/Catalogue/AbstractOperation.php

@@ -40,19 +40,19 @@ abstract class AbstractOperation implements OperationInterface
      *
      * The data structure of this array is as follows:
      *
-     *     array(
+     *     [
-     *         'domain 1' => array(
+     *         'domain 1' => [
-     *             'all' => array(...),
+     *             'all' => [...],
-     *             'new' => array(...),
+     *             'new' => [...],
-     *             'obsolete' => array(...)
+     *             'obsolete' => [...]
-     *         ),
+     *         ],
-     *         'domain 2' => array(
+     *         'domain 2' => [
-     *             'all' => array(...),
+     *             'all' => [...],
-     *             'new' => array(...),
+     *             'new' => [...],
-     *             'obsolete' => array(...)
+     *             'obsolete' => [...]
-     *         ),
+     *         ],
      *         ...
-     *     )
+     *     ]
      *
      * @var array The array that stores 'all', 'new' and 'obsolete' messages
      */

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

@@ -36,7 +36,7 @@ class ArrayLoader implements LoaderInterface
      * Flattens an nested array of translations.
      *
      * The scheme used is:
-     *   'key' => array('key2' => array('key3' => 'value'))
+     *   'key' => ['key2' => ['key3' => 'value']]
      * Becomes:
      *   'key.key2.key3' => 'value'
      *

src/Symfony/Component/Translation/Util/ArrayConverter.php

@@ -27,7 +27,7 @@ class ArrayConverter
 {
     /**
      * Converts linear messages array to tree-like array.
-     * For example this rray('foo.bar' => 'value') will be converted to array('foo' => array('bar' => 'value')).
+     * For example this rray('foo.bar' => 'value') will be converted to ['foo' => ['bar' => 'value']].
      *
      * @param array $messages Linear messages array
      *

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

@@ -17,7 +17,7 @@ namespace Symfony\Component\Validator\Constraints;
  * When validating a group sequence, each group will only be validated if all
  * of the previous groups in the sequence succeeded. For example:
  *
- *     $validator->validate($address, null, new GroupSequence(array('Basic', 'Strict')));
+ *     $validator->validate($address, null, new GroupSequence(['Basic', 'Strict']));
  *
  * In the first step, all constraints that belong to the group "Basic" will be
  * validated. If none of the constraints fail, the validator will then validate

src/Symfony/Component/Validator/Context/ExecutionContextInterface.php

@@ -97,7 +97,7 @@ interface ExecutionContextInterface
      *     {
      *         $validator = $this->context->getValidator();
      *
-     *         $violations = $validator->validate($value, new Length(array('min' => 3)));
+     *         $violations = $validator->validate($value, new Length(['min' => 3]));
      *
      *         if (count($violations) > 0) {
      *             // ...

src/Symfony/Component/VarDumper/Tests/Dumper/CliDumperTest.php

@@ -372,7 +372,7 @@ EOTXT
         $cloner->addCasters([
             ':stream' => eval('return function () use ($twig) {
                 try {
-                    $twig->render(array());
+                    $twig->render([]);
                 } catch (\Twig\Error\RuntimeError $e) {
                     throw $e->getPrevious();
                 }