Merge branch '3.4' into 4.3

* 3.4:
  Fix inconsistent return points.
  Fix remaining tests

src/Symfony/Bridge/Monolog/Logger.php

@@ -113,5 +113,7 @@ class Logger extends BaseLogger implements DebugLoggerInterface, ResetInterface
                 return $handler;
             }
         }
+
+        return null;
     }
 }

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

@@ -225,7 +225,7 @@ class Configuration implements ConfigurationInterface
                     ->canBeEnabled()
                     ->beforeNormalization()
                         ->always(function ($v) {
-                            if (true === $v['enabled']) {
+                            if (\is_array($v) && true === $v['enabled']) {
                                 $workflows = $v;
                                 unset($workflows['enabled']);
 

src/Symfony/Bundle/SecurityBundle/Security/FirewallMap.php

@@ -54,14 +54,14 @@ class FirewallMap implements FirewallMapInterface
         $context = $this->getFirewallContext($request);
 
         if (null === $context) {
-            return;
+            return null;
         }
 
         return $context->getConfig();
     }
 
     /**
-     * @return FirewallContext
+     * @return FirewallContext|null
      */
     private function getFirewallContext(Request $request)
     {
@@ -83,5 +83,7 @@ class FirewallMap implements FirewallMapInterface
                 return $this->container->get($contextId);
             }
         }
+
+        return null;
     }
 }

src/Symfony/Component/Config/Util/XmlUtils.php

@@ -234,7 +234,7 @@ class XmlUtils
                 return true;
             case 'false' === $lowercaseValue:
                 return false;
-            case isset($value[1]) && '0b' == $value[0].$value[1]:
+            case isset($value[1]) && '0b' == $value[0].$value[1] && preg_match('/^0b[01]*$/', $value):
                 return bindec($value);
             case is_numeric($value):
                 return '0x' === $value[0].$value[1] ? hexdec($value) : (float) $value;

src/Symfony/Component/Console/Terminal.php

@@ -87,25 +87,13 @@ class Terminal
      */
     private static function getConsoleMode()
     {
-        if (!\function_exists('proc_open')) {
-            return;
+        $info = self::readFromProcess('mode CON');
+
+        if (null === $info || !preg_match('/--------+\r?\n.+?(\d+)\r?\n.+?(\d+)\r?\n/', $info, $matches)) {
+            return null;
         }
 
-        $descriptorspec = [
-            1 => ['pipe', 'w'],
-            2 => ['pipe', 'w'],
-        ];
-        $process = proc_open('mode CON', $descriptorspec, $pipes, null, null, ['suppress_errors' => true]);
-        if (\is_resource($process)) {
-            $info = stream_get_contents($pipes[1]);
-            fclose($pipes[1]);
-            fclose($pipes[2]);
-            proc_close($process);
-
-            if (preg_match('/--------+\r?\n.+?(\d+)\r?\n.+?(\d+)\r?\n/', $info, $matches)) {
-                return [(int) $matches[2], (int) $matches[1]];
-            }
-        }
+        return [(int) $matches[2], (int) $matches[1]];
     }
 
     /**
@@ -114,9 +102,19 @@ class Terminal
      * @return string|null
      */
     private static function getSttyColumns()
+    {
+        return self::readFromProcess('stty -a | grep columns');
+    }
+
+    /**
+     * @param string $command
+     *
+     * @return string|null
+     */
+    private static function readFromProcess($command)
     {
         if (!\function_exists('proc_open')) {
-            return;
+            return null;
         }
 
         $descriptorspec = [
@@ -124,14 +122,16 @@ class Terminal
             2 => ['pipe', 'w'],
         ];
 
-        $process = proc_open('stty -a | grep columns', $descriptorspec, $pipes, null, null, ['suppress_errors' => true]);
-        if (\is_resource($process)) {
-            $info = stream_get_contents($pipes[1]);
-            fclose($pipes[1]);
-            fclose($pipes[2]);
-            proc_close($process);
-
-            return $info;
+        $process = proc_open($command, $descriptorspec, $pipes, null, null, ['suppress_errors' => true]);
+        if (!\is_resource($process)) {
+            return null;
         }
+
+        $info = stream_get_contents($pipes[1]);
+        fclose($pipes[1]);
+        fclose($pipes[2]);
+        proc_close($process);
+
+        return $info;
     }
 }

src/Symfony/Component/Debug/ErrorHandler.php

@@ -459,7 +459,7 @@ class ErrorHandler
         }
 
         if ($throw) {
-            if (E_USER_ERROR & $type) {
+            if (\PHP_VERSION_ID < 70400 && E_USER_ERROR & $type) {
                 for ($i = 1; isset($backtrace[$i]); ++$i) {
                     if (isset($backtrace[$i]['function'], $backtrace[$i]['type'], $backtrace[$i - 1]['function'])
                         && '__toString' === $backtrace[$i]['function']

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

@@ -283,6 +283,10 @@ class ErrorHandlerTest extends TestCase
 
     public function testHandleUserError()
     {
+        if (\PHP_VERSION_ID >= 70400) {
+            $this->markTestSkipped('PHP 7.4 allows __toString to throw exceptions');
+        }
+
         try {
             $handler = ErrorHandler::register();
             $handler->throwAt(0, true);

src/Symfony/Component/DependencyInjection/Compiler/AutowirePass.php

@@ -309,6 +309,8 @@ class AutowirePass extends AbstractRecursivePass
         if ($this->container->has($type) && !$this->container->findDefinition($type)->isAbstract()) {
             return new TypedReference($type, $type, $reference->getInvalidBehavior());
         }
+
+        return null;
     }
 
     /**
@@ -441,7 +443,7 @@ class AutowirePass extends AbstractRecursivePass
         } elseif (isset($this->types[$type])) {
             $message = sprintf('the existing "%s" service', $this->types[$type]);
         } else {
-            return;
+            return '';
         }
 
         return sprintf(' You should maybe alias this %s to %s.', class_exists($type, false) ? 'class' : 'interface', $message);
@@ -470,5 +472,7 @@ class AutowirePass extends AbstractRecursivePass
         if ($aliases) {
             return sprintf('Try changing the type-hint%s to "%s" instead.', $extraContext, $aliases[0]);
         }
+
+        return null;
     }
 }

src/Symfony/Component/DependencyInjection/Loader/XmlFileLoader.php

@@ -230,7 +230,7 @@ class XmlFileLoader extends FileLoader
                 $alias->setDeprecated(true, $deprecated[0]->nodeValue ?: null);
             }
 
-            return;
+            return null;
         }
 
         if ($this->isLoadingInstanceof) {

src/Symfony/Component/DomCrawler/FormFieldRegistry.php

@@ -57,7 +57,7 @@ class FormFieldRegistry
         $target = &$this->fields;
         while (\count($segments) > 1) {
             $path = array_shift($segments);
-            if (!\array_key_exists($path, $target)) {
+            if (!\is_array($target) || !\array_key_exists($path, $target)) {
                 return;
             }
             $target = &$target[$path];
@@ -80,7 +80,7 @@ class FormFieldRegistry
         $target = &$this->fields;
         while ($segments) {
             $path = array_shift($segments);
-            if (!\array_key_exists($path, $target)) {
+            if (!\is_array($target) || !\array_key_exists($path, $target)) {
                 throw new \InvalidArgumentException(sprintf('Unreachable field "%s"', $path));
             }
             $target = &$target[$path];

src/Symfony/Component/Finder/Tests/Iterator/SortableIteratorTest.php

@@ -33,11 +33,7 @@ class SortableIteratorTest extends RealIteratorTestCase
         if (!\is_callable($mode)) {
             switch ($mode) {
                 case SortableIterator::SORT_BY_ACCESSED_TIME:
-                    if ('\\' === \DIRECTORY_SEPARATOR) {
-                        touch(self::toAbsolute('.git'));
-                    } else {
-                        file_get_contents(self::toAbsolute('.git'));
-                    }
+                    touch(self::toAbsolute('.git'));
                     sleep(1);
                     file_get_contents(self::toAbsolute('.bar'));
                     break;

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

@@ -507,6 +507,7 @@ class DateTypeTest extends BaseTypeTest
 
     public function testMonthsOption()
     {
+        \Locale::setDefault('en');
         $form = $this->factory->create(static::TESTED_TYPE, null, [
             'months' => [6, 7],
             'format' => \IntlDateFormatter::SHORT,
@@ -515,8 +516,8 @@ class DateTypeTest extends BaseTypeTest
         $view = $form->createView();
 
         $this->assertEquals([
-            new ChoiceView(6, '6', '06'),
-            new ChoiceView(7, '7', '07'),
+            new ChoiceView(6, '6', '6'),
+            new ChoiceView(7, '7', '7'),
         ], $view['month']->vars['choices']);
     }
 
@@ -580,14 +581,15 @@ class DateTypeTest extends BaseTypeTest
 
     public function testIsDayWithinRangeReturnsTrueIfWithin()
     {
+        \Locale::setDefault('en');
         $view = $this->factory->create(static::TESTED_TYPE, null, [
             'days' => [6, 7],
         ])
             ->createView();
 
         $this->assertEquals([
-            new ChoiceView(6, '6', '06'),
-            new ChoiceView(7, '7', '07'),
+            new ChoiceView(6, '6', '6'),
+            new ChoiceView(7, '7', '7'),
         ], $view['day']->vars['choices']);
     }
 

src/Symfony/Component/HttpKernel/HttpCache/Store.php

@@ -132,7 +132,7 @@ class Store implements StoreInterface
         $key = $this->getCacheKey($request);
 
         if (!$entries = $this->getMetadata($key)) {
-            return;
+            return null;
         }
 
         // find a cached entry that matches the request.
@@ -146,7 +146,7 @@ class Store implements StoreInterface
         }
 
         if (null === $match) {
-            return;
+            return null;
         }
 
         $headers = $match[1];
@@ -157,6 +157,7 @@ class Store implements StoreInterface
         // TODO the metaStore referenced an entity that doesn't exist in
         // the entityStore. We definitely want to return nil but we should
         // also purge the entry from the meta-store when this is detected.
+        return null;
     }
 
     /**
@@ -178,7 +179,7 @@ class Store implements StoreInterface
         if (!$response->headers->has('X-Content-Digest')) {
             $digest = $this->generateContentDigest($response);
 
-            if (false === $this->save($digest, $response->getContent())) {
+            if (!$this->save($digest, $response->getContent())) {
                 throw new \RuntimeException('Unable to store the entity.');
             }
 
@@ -207,7 +208,7 @@ class Store implements StoreInterface
 
         array_unshift($entries, [$storedEnv, $headers]);
 
-        if (false === $this->save($key, serialize($entries))) {
+        if (!$this->save($key, serialize($entries))) {
             throw new \RuntimeException('Unable to store the metadata.');
         }
 
@@ -246,7 +247,7 @@ class Store implements StoreInterface
             }
         }
 
-        if ($modified && false === $this->save($key, serialize($entries))) {
+        if ($modified && !$this->save($key, serialize($entries))) {
             throw new \RuntimeException('Unable to store the metadata.');
         }
     }
@@ -406,6 +407,8 @@ class Store implements StoreInterface
         }
 
         @chmod($path, 0666 & ~umask());
+
+        return true;
     }
 
     public function getPath($key)

src/Symfony/Component/Intl/Tests/Data/Provider/AbstractCurrencyDataProviderTest.php

@@ -591,6 +591,7 @@ abstract class AbstractCurrencyDataProviderTest extends AbstractDataProviderTest
      * @var CurrencyDataProvider
      */
     protected $dataProvider;
+    private $defaultLocale;
 
     protected function setUp()
     {
@@ -600,6 +601,15 @@ abstract class AbstractCurrencyDataProviderTest extends AbstractDataProviderTest
             $this->getDataDirectory().'/'.Intl::CURRENCY_DIR,
             $this->createEntryReader()
         );
+
+        $this->defaultLocale = \Locale::getDefault();
+    }
+
+    protected function tearDown()
+    {
+        parent::tearDown();
+
+        \Locale::setDefault($this->defaultLocale);
     }
 
     abstract protected function getDataDirectory();

src/Symfony/Component/Intl/Tests/Data/Provider/AbstractLanguageDataProviderTest.php

@@ -830,6 +830,7 @@ abstract class AbstractLanguageDataProviderTest extends AbstractDataProviderTest
      * @var LanguageDataProvider
      */
     protected $dataProvider;
+    private $defaultLocale;
 
     protected function setUp()
     {
@@ -839,6 +840,15 @@ abstract class AbstractLanguageDataProviderTest extends AbstractDataProviderTest
             $this->getDataDirectory().'/'.Intl::LANGUAGE_DIR,
             $this->createEntryReader()
         );
+
+        $this->defaultLocale = \Locale::getDefault();
+    }
+
+    protected function tearDown()
+    {
+        parent::tearDown();
+
+        \Locale::setDefault($this->defaultLocale);
     }
 
     abstract protected function getDataDirectory();

src/Symfony/Component/Intl/Tests/Data/Provider/AbstractLocaleDataProviderTest.php

@@ -25,6 +25,7 @@ abstract class AbstractLocaleDataProviderTest extends AbstractDataProviderTest
      * @var LocaleDataProvider
      */
     protected $dataProvider;
+    private $defaultLocale;
 
     protected function setUp()
     {
@@ -34,6 +35,13 @@ abstract class AbstractLocaleDataProviderTest extends AbstractDataProviderTest
             $this->getDataDirectory().'/'.Intl::LOCALE_DIR,
             $this->createEntryReader()
         );
+
+        $this->defaultLocale = \Locale::getDefault();
+    }
+
+    protected function tearDown()
+    {
+        \Locale::setDefault($this->defaultLocale);
     }
 
     abstract protected function getDataDirectory();

src/Symfony/Component/Intl/Tests/Data/Provider/AbstractRegionDataProviderTest.php

@@ -279,6 +279,7 @@ abstract class AbstractRegionDataProviderTest extends AbstractDataProviderTest
      * @var RegionDataProvider
      */
     protected $dataProvider;
+    private $defaultLocale;
 
     protected function setUp()
     {
@@ -288,6 +289,15 @@ abstract class AbstractRegionDataProviderTest extends AbstractDataProviderTest
             $this->getDataDirectory().'/'.Intl::REGION_DIR,
             $this->createEntryReader()
         );
+
+        $this->defaultLocale = \Locale::getDefault();
+    }
+
+    protected function tearDown()
+    {
+        parent::tearDown();
+
+        \Locale::setDefault($this->defaultLocale);
     }
 
     abstract protected function getDataDirectory();

src/Symfony/Component/Intl/Tests/Data/Provider/AbstractScriptDataProviderTest.php

@@ -219,6 +219,7 @@ abstract class AbstractScriptDataProviderTest extends AbstractDataProviderTest
      * @var ScriptDataProvider
      */
     protected $dataProvider;
+    private $defaultLocale;
 
     protected function setUp()
     {
@@ -228,6 +229,15 @@ abstract class AbstractScriptDataProviderTest extends AbstractDataProviderTest
             $this->getDataDirectory().'/'.Intl::SCRIPT_DIR,
             $this->createEntryReader()
         );
+
+        $this->defaultLocale = \Locale::getDefault();
+    }
+
+    protected function tearDown()
+    {
+        parent::tearDown();
+
+        \Locale::setDefault($this->defaultLocale);
     }
 
     abstract protected function getDataDirectory();

src/Symfony/Component/Intl/Tests/DateFormatter/AbstractIntlDateFormatterTest.php

@@ -24,11 +24,23 @@ use Symfony\Component\Intl\Util\IcuVersion;
  */
 abstract class AbstractIntlDateFormatterTest extends TestCase
 {
+    private $defaultLocale;
+
     protected function setUp()
     {
+        parent::setUp();
+
+        $this->defaultLocale = \Locale::getDefault();
         \Locale::setDefault('en');
     }
 
+    protected function tearDown()
+    {
+        parent::tearDown();
+
+        \Locale::setDefault($this->defaultLocale);
+    }
+
     /**
      * When a time zone is not specified, it uses the system default however it returns null in the getter method.
      *

src/Symfony/Component/Intl/Tests/IntlTest.php

@@ -16,6 +16,22 @@ use Symfony\Component\Intl\Intl;
 
 class IntlTest extends TestCase
 {
+    private $defaultLocale;
+
+    protected function setUp()
+    {
+        parent::setUp();
+
+        $this->defaultLocale = \Locale::getDefault();
+    }
+
+    protected function tearDown()
+    {
+        parent::tearDown();
+
+        \Locale::setDefault($this->defaultLocale);
+    }
+
     /**
      * @requires extension intl
      */

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

@@ -36,7 +36,7 @@ abstract class AbstractNumberFormatterTest extends TestCase
     {
         return [
             [100, 'ALL', '100'],
-            [100, 'BRL', '100.00'],
+            [100, 'BRL', '100'],
             [100, 'CRC', '100'],
             [100, 'JPY', '100'],
             [100, 'CHF', '100'],

src/Symfony/Component/PropertyAccess/PropertyAccessor.php

@@ -762,6 +762,8 @@ class PropertyAccessor implements PropertyAccessorInterface
                 return [$addMethod, $removeMethod];
             }
         }
+
+        return null;
     }
 
     /**

src/Symfony/Component/Routing/Loader/XmlFileLoader.php

@@ -337,7 +337,7 @@ class XmlFileLoader extends FileLoader
     private function parseDefaultsConfig(\DOMElement $element, $path)
     {
         if ($this->isElementValueNull($element)) {
-            return;
+            return null;
         }
 
         // Check for existing element nodes in the default element. There can
@@ -374,7 +374,7 @@ class XmlFileLoader extends FileLoader
     private function parseDefaultNode(\DOMElement $node, $path)
     {
         if ($this->isElementValueNull($node)) {
-            return;
+            return null;
         }
 
         switch ($node->localName) {

src/Symfony/Component/Serializer/Serializer.php

@@ -250,6 +250,8 @@ class Serializer implements SerializerInterface, ContextAwareNormalizerInterface
                 return $normalizer;
             }
         }
+
+        return null;
     }
 
     /**
@@ -291,6 +293,8 @@ class Serializer implements SerializerInterface, ContextAwareNormalizerInterface
                 return $normalizer;
             }
         }
+
+        return null;
     }
 
     /**

src/Symfony/Component/Stopwatch/Tests/StopwatchTest.php

@@ -87,7 +87,7 @@ class StopwatchTest extends TestCase
         $event = $stopwatch->stop('foo');
 
         $this->assertInstanceOf('Symfony\Component\Stopwatch\StopwatchEvent', $event);
-        $this->assertEquals(200, $event->getDuration(), '', self::DELTA);
+        $this->assertEqualsWithDelta(200, $event->getDuration(), self::DELTA);
     }
 
     public function testUnknownEvent()

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

@@ -41,6 +41,10 @@ class CsvFileLoader extends FileLoader
         $file->setCsvControl($this->delimiter, $this->enclosure, $this->escape);
 
         foreach ($file as $data) {
+            if (false === $data) {
+                continue;
+            }
+
             if ('#' !== substr($data[0], 0, 1) && isset($data[1]) && 2 === \count($data)) {
                 $messages[$data[0]] = $data[1];
             }

src/Symfony/Component/Translation/Tests/IdentityTranslatorTest.php

@@ -16,6 +16,22 @@ use Symfony\Contracts\Translation\Test\TranslatorTest;
 
 class IdentityTranslatorTest extends TranslatorTest
 {
+    private $defaultLocale;
+
+    protected function setUp()
+    {
+        parent::setUp();
+
+        $this->defaultLocale = \Locale::getDefault();
+    }
+
+    protected function tearDown()
+    {
+        parent::tearDown();
+
+        \Locale::setDefault($this->defaultLocale);
+    }
+
     public function getTranslator()
     {
         return new IdentityTranslator();

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

@@ -18,6 +18,22 @@ use Symfony\Component\Validator\Test\ConstraintValidatorTestCase;
 
 class CountryValidatorTest extends ConstraintValidatorTestCase
 {
+    private $defaultLocale;
+
+    protected function setUp()
+    {
+        parent::setUp();
+
+        $this->defaultLocale = \Locale::getDefault();
+    }
+
+    protected function tearDown()
+    {
+        parent::tearDown();
+
+        \Locale::setDefault($this->defaultLocale);
+    }
+
     protected function createValidator()
     {
         return new CountryValidator();

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

@@ -18,6 +18,22 @@ use Symfony\Component\Validator\Test\ConstraintValidatorTestCase;
 
 class CurrencyValidatorTest extends ConstraintValidatorTestCase
 {
+    private $defaultLocale;
+
+    protected function setUp()
+    {
+        parent::setUp();
+
+        $this->defaultLocale = \Locale::getDefault();
+    }
+
+    protected function tearDown()
+    {
+        parent::tearDown();
+
+        \Locale::setDefault($this->defaultLocale);
+    }
+
     protected function createValidator()
     {
         return new CurrencyValidator();

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

@@ -18,6 +18,22 @@ use Symfony\Component\Validator\Test\ConstraintValidatorTestCase;
 
 class LanguageValidatorTest extends ConstraintValidatorTestCase
 {
+    private $defaultLocale;
+
+    protected function setUp()
+    {
+        parent::setUp();
+
+        $this->defaultLocale = \Locale::getDefault();
+    }
+
+    protected function tearDown()
+    {
+        parent::tearDown();
+
+        \Locale::setDefault($this->defaultLocale);
+    }
+
     protected function createValidator()
     {
         return new LanguageValidator();

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

@@ -50,7 +50,7 @@ class RangeValidatorTest extends ConstraintValidatorTestCase
             [9.99999, '9.99999'],
             ['9.99999', '"9.99999"'],
             [5, '5'],
-            [1.0, '1.0'],
+            [1.0, '1'],
         ];
     }
 
@@ -60,7 +60,7 @@ class RangeValidatorTest extends ConstraintValidatorTestCase
             [20.000001, '20.000001'],
             ['20.000001', '"20.000001"'],
             [21, '21'],
-            [30.0, '30.0'],
+            [30.0, '30'],
         ];
     }
 

src/Symfony/Component/VarDumper/Tests/Caster/ExceptionCasterTest.php

@@ -52,7 +52,6 @@ Exception {
       › }
     }
     %s%eTests%eCaster%eExceptionCasterTest.php:40 { …}
-    Symfony\Component\VarDumper\Tests\Caster\ExceptionCasterTest->testDefaultSettings() {}
 %A
 EODUMP;
 
@@ -71,8 +70,7 @@ EODUMP;
     ›     return new \Exception(''.$msg);
     › }
   }
-  %s%eTests%eCaster%eExceptionCasterTest.php:65 { …}
-  Symfony\Component\VarDumper\Tests\Caster\ExceptionCasterTest->testSeek() {}
+  %s%eTests%eCaster%eExceptionCasterTest.php:64 { …}
 %A
 EODUMP;
 
@@ -96,8 +94,7 @@ Exception {
       ›     return new \Exception(''.$msg);
       › }
     }
-    %s%eTests%eCaster%eExceptionCasterTest.php:84 { …}
-    Symfony\Component\VarDumper\Tests\Caster\ExceptionCasterTest->testNoArgs() {}
+    %s%eTests%eCaster%eExceptionCasterTest.php:82 { …}
 %A
 EODUMP;