diff --git a/src/Symfony/Bridge/Twig/DataCollector/TwigDataCollector.php b/src/Symfony/Bridge/Twig/DataCollector/TwigDataCollector.php
index f075709654c95..30d0aff1bb102 100644
--- a/src/Symfony/Bridge/Twig/DataCollector/TwigDataCollector.php
+++ b/src/Symfony/Bridge/Twig/DataCollector/TwigDataCollector.php
@@ -93,11 +93,7 @@ public function getHtmlCallGraph()
     public function getProfile()
     {
         if (null === $this->profile) {
-            if (PHP_VERSION_ID >= 70000) {
-                $this->profile = unserialize($this->data['profile'], array('allowed_classes' => array('Twig_Profiler_Profile')));
-            } else {
-                $this->profile = unserialize($this->data['profile']);
-            }
+            $this->profile = unserialize($this->data['profile'], array('allowed_classes' => array('Twig_Profiler_Profile')));
         }
 
         return $this->profile;
diff --git a/src/Symfony/Bridge/Twig/Tests/Node/DumpNodeTest.php b/src/Symfony/Bridge/Twig/Tests/Node/DumpNodeTest.php
index 5e589c2db11db..bc4c6a5ae1637 100644
--- a/src/Symfony/Bridge/Twig/Tests/Node/DumpNodeTest.php
+++ b/src/Symfony/Bridge/Twig/Tests/Node/DumpNodeTest.php
@@ -82,11 +82,7 @@ public function testOneVar()
 
 EOTXT;
 
-        if (PHP_VERSION_ID >= 70000) {
-            $expected = preg_replace('/%(.*?)%/', '($context["$1"] ?? null)', $expected);
-        } else {
-            $expected = preg_replace('/%(.*?)%/', '(isset($context["$1"]) ? $context["$1"] : null)', $expected);
-        }
+        $expected = preg_replace('/%(.*?)%/', '($context["$1"] ?? null)', $expected);
 
         $this->assertSame($expected, $compiler->compile($node)->getSource());
     }
@@ -113,11 +109,7 @@ public function testMultiVars()
 
 EOTXT;
 
-        if (PHP_VERSION_ID >= 70000) {
-            $expected = preg_replace('/%(.*?)%/', '($context["$1"] ?? null)', $expected);
-        } else {
-            $expected = preg_replace('/%(.*?)%/', '(isset($context["$1"]) ? $context["$1"] : null)', $expected);
-        }
+        $expected = preg_replace('/%(.*?)%/', '($context["$1"] ?? null)', $expected);
 
         $this->assertSame($expected, $compiler->compile($node)->getSource());
     }
diff --git a/src/Symfony/Bridge/Twig/Tests/Node/FormThemeTest.php b/src/Symfony/Bridge/Twig/Tests/Node/FormThemeTest.php
index 9d3576e0b4430..33acc0cff5aa2 100644
--- a/src/Symfony/Bridge/Twig/Tests/Node/FormThemeTest.php
+++ b/src/Symfony/Bridge/Twig/Tests/Node/FormThemeTest.php
@@ -67,10 +67,6 @@ public function testCompile()
 
     protected function getVariableGetter($name)
     {
-        if (PHP_VERSION_ID >= 70000) {
-            return sprintf('($context["%s"] ?? null)', $name, $name);
-        }
-
-        return sprintf('(isset($context["%s"]) ? $context["%s"] : null)', $name, $name);
+        return sprintf('($context["%s"] ?? null)', $name, $name);
     }
 }
diff --git a/src/Symfony/Bridge/Twig/Tests/Node/SearchAndRenderBlockNodeTest.php b/src/Symfony/Bridge/Twig/Tests/Node/SearchAndRenderBlockNodeTest.php
index b292ef63f8555..322e78f1fd188 100644
--- a/src/Symfony/Bridge/Twig/Tests/Node/SearchAndRenderBlockNodeTest.php
+++ b/src/Symfony/Bridge/Twig/Tests/Node/SearchAndRenderBlockNodeTest.php
@@ -264,10 +264,6 @@ public function testCompileLabelWithLabelThatEvaluatesToNullAndAttributes()
 
     protected function getVariableGetter($name)
     {
-        if (PHP_VERSION_ID >= 70000) {
-            return sprintf('($context["%s"] ?? null)', $name, $name);
-        }
-
-        return sprintf('(isset($context["%s"]) ? $context["%s"] : null)', $name, $name);
+        return sprintf('($context["%s"] ?? null)', $name, $name);
     }
 }
diff --git a/src/Symfony/Bridge/Twig/Tests/Node/TransNodeTest.php b/src/Symfony/Bridge/Twig/Tests/Node/TransNodeTest.php
index 5862006f3826a..5108db26cf788 100644
--- a/src/Symfony/Bridge/Twig/Tests/Node/TransNodeTest.php
+++ b/src/Symfony/Bridge/Twig/Tests/Node/TransNodeTest.php
@@ -40,11 +40,7 @@ public function testCompileStrict()
 
     protected function getVariableGetterWithoutStrictCheck($name)
     {
-        if (PHP_VERSION_ID >= 70000) {
-            return sprintf('($context["%s"] ?? null)', $name, $name);
-        }
-
-        return sprintf('(isset($context["%s"]) ? $context["%s"] : null)', $name, $name);
+        return sprintf('($context["%s"] ?? null)', $name, $name);
     }
 
     protected function getVariableGetterWithStrictCheck($name)
@@ -53,10 +49,6 @@ protected function getVariableGetterWithStrictCheck($name)
             return sprintf('(isset($context["%s"]) || array_key_exists("%s", $context) ? $context["%s"] : (function () { throw new Twig_Error_Runtime(\'Variable "%s" does not exist.\', 0, $this->getSourceContext()); })())', $name, $name, $name, $name);
         }
 
-        if (PHP_VERSION_ID >= 70000) {
-            return sprintf('($context["%s"] ?? $this->getContext($context, "%s"))', $name, $name, $name);
-        }
-
-        return sprintf('(isset($context["%s"]) ? $context["%s"] : $this->getContext($context, "%s"))', $name, $name, $name);
+        return sprintf('($context["%s"] ?? $this->getContext($context, "%s"))', $name, $name, $name);
     }
 }
diff --git a/src/Symfony/Bundle/FrameworkBundle/Translation/PhpExtractor.php b/src/Symfony/Bundle/FrameworkBundle/Translation/PhpExtractor.php
index 97c94fdd14bf9..7af04086622a2 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Translation/PhpExtractor.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Translation/PhpExtractor.php
@@ -85,10 +85,8 @@ public function extract($resource, MessageCatalogue $catalog)
         foreach ($files as $file) {
             $this->parseTokens(token_get_all(file_get_contents($file)), $catalog);
 
-            if (PHP_VERSION_ID >= 70000) {
-                // PHP 7 memory manager will not release after token_get_all(), see https://bugs.php.net/70098
-                gc_mem_caches();
-            }
+            // PHP 7 memory manager will not release after token_get_all(), see https://bugs.php.net/70098
+            gc_mem_caches();
         }
     }
 
diff --git a/src/Symfony/Component/Cache/Adapter/PhpArrayAdapter.php b/src/Symfony/Component/Cache/Adapter/PhpArrayAdapter.php
index 8ddfa27f3868f..08cd4731ba93c 100644
--- a/src/Symfony/Component/Cache/Adapter/PhpArrayAdapter.php
+++ b/src/Symfony/Component/Cache/Adapter/PhpArrayAdapter.php
@@ -53,19 +53,17 @@ function ($key, $value, $isHit) {
     }
 
     /**
-     * This adapter should only be used on PHP 7.0+ to take advantage of how PHP
-     * stores arrays in its latest versions. This factory method decorates the given
-     * fallback pool with this adapter only if the current PHP version is supported.
+     * This adapter to take advantage of how PHP stores arrays in its latest versions.
      *
      * @param string                 $file         The PHP file were values are cached
-     * @param CacheItemPoolInterface $fallbackPool Fallback for old PHP versions or opcache disabled
+     * @param CacheItemPoolInterface $fallbackPool Fallback when opcache is disabled
      *
      * @return CacheItemPoolInterface
      */
     public static function create($file, CacheItemPoolInterface $fallbackPool)
     {
         // Shared memory is available in PHP 7.0+ with OPCache enabled and in HHVM
-        if ((PHP_VERSION_ID >= 70000 && ini_get('opcache.enable')) || defined('HHVM_VERSION')) {
+        if (ini_get('opcache.enable') || defined('HHVM_VERSION')) {
             if (!$fallbackPool instanceof AdapterInterface) {
                 $fallbackPool = new ProxyAdapter($fallbackPool);
             }
diff --git a/src/Symfony/Component/Cache/Simple/PhpArrayCache.php b/src/Symfony/Component/Cache/Simple/PhpArrayCache.php
index 3c61f5e8f645e..40d37051820f1 100644
--- a/src/Symfony/Component/Cache/Simple/PhpArrayCache.php
+++ b/src/Symfony/Component/Cache/Simple/PhpArrayCache.php
@@ -37,9 +37,7 @@ public function __construct($file, CacheInterface $fallbackPool)
     }
 
     /**
-     * This adapter should only be used on PHP 7.0+ to take advantage of how PHP
-     * stores arrays in its latest versions. This factory method decorates the given
-     * fallback pool with this adapter only if the current PHP version is supported.
+     * This adapter to take advantage of how PHP stores arrays in its latest versions.
      *
      * @param string $file The PHP file were values are cached
      *
@@ -48,7 +46,7 @@ public function __construct($file, CacheInterface $fallbackPool)
     public static function create($file, CacheInterface $fallbackPool)
     {
         // Shared memory is available in PHP 7.0+ with OPCache enabled and in HHVM
-        if ((PHP_VERSION_ID >= 70000 && ini_get('opcache.enable')) || defined('HHVM_VERSION')) {
+        if (ini_get('opcache.enable') || defined('HHVM_VERSION')) {
             return new static($file, $fallbackPool);
         }
 
diff --git a/src/Symfony/Component/Config/Tests/Resource/ReflectionClassResourceTest.php b/src/Symfony/Component/Config/Tests/Resource/ReflectionClassResourceTest.php
index 8fd0adc592abd..299b593d71dff 100644
--- a/src/Symfony/Component/Config/Tests/Resource/ReflectionClassResourceTest.php
+++ b/src/Symfony/Component/Config/Tests/Resource/ReflectionClassResourceTest.php
@@ -124,12 +124,8 @@ public function provideHashedSignature()
         yield array(0, 8, '/** priv docblock */');
         yield array(0, 9, 'private $priv = 123;');
         yield array(1, 10, '/** pub docblock */');
-        if (PHP_VERSION_ID >= 50600) {
-            yield array(1, 11, 'public function pub(...$arg) {}');
-        }
-        if (PHP_VERSION_ID >= 70000) {
-            yield array(1, 11, 'public function pub($arg = null): Foo {}');
-        }
+        yield array(1, 11, 'public function pub(...$arg) {}');
+        yield array(1, 11, 'public function pub($arg = null): Foo {}');
         yield array(0, 11, "public function pub(\$arg = null) {\nreturn 123;\n}");
         yield array(1, 12, '/** prot docblock */');
         yield array(1, 13, 'protected function prot($a = array(123)) {}');
diff --git a/src/Symfony/Component/Console/Command/Command.php b/src/Symfony/Component/Console/Command/Command.php
index 2359677515659..14430308d1151 100644
--- a/src/Symfony/Component/Console/Command/Command.php
+++ b/src/Symfony/Component/Console/Command/Command.php
@@ -286,15 +286,7 @@ public function setCode(callable $code)
         if ($code instanceof \Closure) {
             $r = new \ReflectionFunction($code);
             if (null === $r->getClosureThis()) {
-                if (PHP_VERSION_ID < 70000) {
-                    // Bug in PHP5: https://bugs.php.net/bug.php?id=64761
-                    // This means that we cannot bind static closures and therefore we must
-                    // ignore any errors here.  There is no way to test if the closure is
-                    // bindable.
-                    $code = @\Closure::bind($code, $this);
-                } else {
-                    $code = \Closure::bind($code, $this);
-                }
+                $code = \Closure::bind($code, $this);
             }
         }
 
diff --git a/src/Symfony/Component/Console/Input/ArgvInput.php b/src/Symfony/Component/Console/Input/ArgvInput.php
index 85cd779849b73..6195c0535afa8 100644
--- a/src/Symfony/Component/Console/Input/ArgvInput.php
+++ b/src/Symfony/Component/Console/Input/ArgvInput.php
@@ -148,11 +148,6 @@ private function parseLongOption($token)
 
         if (false !== $pos = strpos($name, '=')) {
             if (0 === strlen($value = substr($name, $pos + 1))) {
-                // if no value after "=" then substr() returns "" since php7 only, false before
-                // see http://php.net/manual/fr/migration70.incompatible.php#119151
-                if (PHP_VERSION_ID < 70000 && false === $value) {
-                    $value = '';
-                }
                 array_unshift($this->parsed, $value);
             }
             $this->addLongOption(substr($name, 0, $pos), $value);
diff --git a/src/Symfony/Component/Console/Tests/ApplicationTest.php b/src/Symfony/Component/Console/Tests/ApplicationTest.php
index ea74f28a4d031..b970ea43aa79d 100644
--- a/src/Symfony/Component/Console/Tests/ApplicationTest.php
+++ b/src/Symfony/Component/Console/Tests/ApplicationTest.php
@@ -1106,9 +1106,6 @@ public function testConsoleErrorEventIsTriggeredOnCommandNotFound()
         $this->assertEquals(1, $tester->getStatusCode());
     }
 
-    /**
-     * @requires PHP 7
-     */
     public function testErrorIsRethrownIfNotHandledByConsoleErrorEvent()
     {
         $application = new Application();
@@ -1342,9 +1339,6 @@ protected function getDispatcher($skipCommand = false)
         return $dispatcher;
     }
 
-    /**
-     * @requires PHP 7
-     */
     public function testErrorIsRethrownIfNotHandledByConsoleErrorEventWithCatchingEnabled()
     {
         $application = new Application();
diff --git a/src/Symfony/Component/Console/Tests/Command/CommandTest.php b/src/Symfony/Component/Console/Tests/Command/CommandTest.php
index a8048aeaf813b..b1963918324a6 100644
--- a/src/Symfony/Component/Console/Tests/Command/CommandTest.php
+++ b/src/Symfony/Component/Console/Tests/Command/CommandTest.php
@@ -392,13 +392,7 @@ public function testSetCodeWithStaticClosure()
         $tester = new CommandTester($command);
         $tester->execute(array());
 
-        if (PHP_VERSION_ID < 70000) {
-            // Cannot bind static closures in PHP 5
-            $this->assertEquals('interact called'.PHP_EOL.'not bound'.PHP_EOL, $tester->getDisplay());
-        } else {
-            // Can bind static closures in PHP 7
-            $this->assertEquals('interact called'.PHP_EOL.'bound'.PHP_EOL, $tester->getDisplay());
-        }
+        $this->assertEquals('interact called'.PHP_EOL.'bound'.PHP_EOL, $tester->getDisplay());
     }
 
     private static function createClosure()
diff --git a/src/Symfony/Component/Debug/DebugClassLoader.php b/src/Symfony/Component/Debug/DebugClassLoader.php
index 2e1d71808e132..c943f7b4e0cb2 100644
--- a/src/Symfony/Component/Debug/DebugClassLoader.php
+++ b/src/Symfony/Component/Debug/DebugClassLoader.php
@@ -30,7 +30,6 @@ class DebugClassLoader
     private static $final = array();
     private static $finalMethods = array();
     private static $deprecated = array();
-    private static $php7Reserved = array('int', 'float', 'bool', 'string', 'true', 'false', 'null');
     private static $darwinCache = array('/' => array('/', array()));
 
     /**
@@ -201,9 +200,7 @@ public function loadClass($class)
                 }
             }
 
-            if (in_array(strtolower($refl->getShortName()), self::$php7Reserved)) {
-                @trigger_error(sprintf('The "%s" class uses the reserved name "%s", it will break on PHP 7 and higher', $name, $refl->getShortName()), E_USER_DEPRECATED);
-            } elseif (preg_match('#\n \* @deprecated (.*?)\r?\n \*(?: @|/$)#s', $refl->getDocComment(), $notice)) {
+            if (preg_match('#\n \* @deprecated (.*?)\r?\n \*(?: @|/$)#s', $refl->getDocComment(), $notice)) {
                 self::$deprecated[$name] = preg_replace('#\s*\r?\n \* +#', ' ', $notice[1]);
             } else {
                 // Don't trigger deprecations for classes in the same vendor
diff --git a/src/Symfony/Component/Debug/Tests/DebugClassLoaderTest.php b/src/Symfony/Component/Debug/Tests/DebugClassLoaderTest.php
index 765e8d9b86bfd..3f21b2a0adb24 100644
--- a/src/Symfony/Component/Debug/Tests/DebugClassLoaderTest.php
+++ b/src/Symfony/Component/Debug/Tests/DebugClassLoaderTest.php
@@ -59,29 +59,6 @@ public function testIdempotence()
         $this->fail('DebugClassLoader did not register');
     }
 
-    public function testUnsilencing()
-    {
-        if (PHP_VERSION_ID >= 70000) {
-            $this->markTestSkipped('PHP7 throws exceptions, unsilencing is not required anymore.');
-        }
-        if (defined('HHVM_VERSION')) {
-            $this->markTestSkipped('HHVM is not handled in this test case.');
-        }
-
-        ob_start();
-
-        $this->iniSet('log_errors', 0);
-        $this->iniSet('display_errors', 1);
-
-        // See below: this will fail with parse error
-        // but this should not be @-silenced.
-        @class_exists(__NAMESPACE__.'\TestingUnsilencing', true);
-
-        $output = ob_get_clean();
-
-        $this->assertStringMatchesFormat('%aParse error%a', $output);
-    }
-
     public function testStacking()
     {
         // the ContextErrorException must not be loaded to test the workaround
@@ -109,13 +86,8 @@ class ChildTestingStacking extends TestingStacking { function foo($bar) {} }
         } catch (\ErrorException $exception) {
             // if an exception is thrown, the test passed
             $this->assertStringStartsWith(__FILE__, $exception->getFile());
-            if (PHP_VERSION_ID < 70000) {
-                $this->assertRegExp('/^Runtime Notice: Declaration/', $exception->getMessage());
-                $this->assertEquals(E_STRICT, $exception->getSeverity());
-            } else {
-                $this->assertRegExp('/^Warning: Declaration/', $exception->getMessage());
-                $this->assertEquals(E_WARNING, $exception->getSeverity());
-            }
+            $this->assertRegExp('/^Warning: Declaration/', $exception->getMessage());
+            $this->assertEquals(E_WARNING, $exception->getSeverity());
         } finally {
             restore_error_handler();
             restore_exception_handler();
@@ -243,32 +215,6 @@ class_exists('Symfony\Bridge\Debug\Tests\Fixtures\ExtendsDeprecatedParent', true
         $this->assertSame($xError, $lastError);
     }
 
-    public function testReservedForPhp7()
-    {
-        if (PHP_VERSION_ID >= 70000) {
-            $this->markTestSkipped('PHP7 already prevents using reserved names.');
-        }
-
-        set_error_handler(function () { return false; });
-        $e = error_reporting(0);
-        trigger_error('', E_USER_NOTICE);
-
-        class_exists('Test\\'.__NAMESPACE__.'\\Float', true);
-
-        error_reporting($e);
-        restore_error_handler();
-
-        $lastError = error_get_last();
-        unset($lastError['file'], $lastError['line']);
-
-        $xError = array(
-            '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);
-    }
-
     public function testExtendedFinalClass()
     {
         set_error_handler(function () { return false; });
diff --git a/src/Symfony/Component/Debug/Tests/ErrorHandlerTest.php b/src/Symfony/Component/Debug/Tests/ErrorHandlerTest.php
index 2fccf2dbe7a9b..eada140ccab7e 100644
--- a/src/Symfony/Component/Debug/Tests/ErrorHandlerTest.php
+++ b/src/Symfony/Component/Debug/Tests/ErrorHandlerTest.php
@@ -475,9 +475,6 @@ public function testHandleFatalError()
         }
     }
 
-    /**
-     * @requires PHP 7
-     */
     public function testHandleErrorException()
     {
         $exception = new \Error("Class 'Foo' not found");
diff --git a/src/Symfony/Component/Debug/Tests/Exception/FlattenExceptionTest.php b/src/Symfony/Component/Debug/Tests/Exception/FlattenExceptionTest.php
index e7762bdec8edd..4a0e6cbe4f234 100644
--- a/src/Symfony/Component/Debug/Tests/Exception/FlattenExceptionTest.php
+++ b/src/Symfony/Component/Debug/Tests/Exception/FlattenExceptionTest.php
@@ -138,9 +138,6 @@ public function testPrevious(\Exception $exception, $statusCode)
         $this->assertSame(array($flattened2), $flattened->getAllPrevious());
     }
 
-    /**
-     * @requires PHP 7.0
-     */
     public function testPreviousError()
     {
         $exception = new \Exception('test', 123, new \ParseError('Oh noes!', 42));
diff --git a/src/Symfony/Component/DependencyInjection/Config/AutowireServiceResource.php b/src/Symfony/Component/DependencyInjection/Config/AutowireServiceResource.php
index f49a1eb78e16c..8b507efe82eec 100644
--- a/src/Symfony/Component/DependencyInjection/Config/AutowireServiceResource.php
+++ b/src/Symfony/Component/DependencyInjection/Config/AutowireServiceResource.php
@@ -65,11 +65,7 @@ public function serialize()
 
     public function unserialize($serialized)
     {
-        if (PHP_VERSION_ID >= 70000) {
-            list($this->class, $this->filePath, $this->autowiringMetadata) = unserialize($serialized, array('allowed_classes' => false));
-        } else {
-            list($this->class, $this->filePath, $this->autowiringMetadata) = unserialize($serialized);
-        }
+        list($this->class, $this->filePath, $this->autowiringMetadata) = unserialize($serialized, array('allowed_classes' => false));
     }
 
     /**
diff --git a/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php b/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
index 09f695ee810b9..12e43ab635c5e 100644
--- a/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
+++ b/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
@@ -1409,13 +1409,14 @@ private function dumpValue($value, $interpolate = true)
                     $value = $value->getValues()[0];
                     $code = $this->dumpValue($value, $interpolate);
 
+                    $returnedType = '';
                     if ($value instanceof TypedReference) {
-                        $code = sprintf('$f = function (\\%s $v%s) { return $v; }; return $f(%s);', $value->getType(), ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE !== $value->getInvalidBehavior() ? ' = null' : '', $code);
-                    } else {
-                        $code = sprintf('return %s;', $code);
+                        $returnedType = sprintf(': %s\%s', ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE === $value->getInvalidBehavior() ? '' : '?', $value->getType());
                     }
 
-                    return sprintf("function () {\n            %s\n        }", $code);
+                    $code = sprintf('return %s;', $code);
+
+                    return sprintf("function ()%s {\n            %s\n        }", $returnedType, $code);
                 }
 
                 if ($value instanceof IteratorArgument) {
@@ -1628,9 +1629,7 @@ private function getServiceCall($id, Reference $reference = null)
         }
 
         if ($this->container->hasDefinition($id) && (!$this->container->getDefinition($id)->isPublic() || $this->container->getDefinition($id)->isShared())) {
-            // The following is PHP 5.5 syntax for what could be written as "(\$this->services['$id'] ?? $code)" on PHP>=7.0
-
-            $code = "\${(\$_ = isset(\$this->services['$id']) ? \$this->services['$id'] : $code) && false ?: '_'}";
+            $code = "(\$this->services['$id'] ?? $code)";
         }
 
         return $code;
diff --git a/src/Symfony/Component/DependencyInjection/LazyProxy/ProxyHelper.php b/src/Symfony/Component/DependencyInjection/LazyProxy/ProxyHelper.php
index b6115ea7dc84c..9a82937252904 100644
--- a/src/Symfony/Component/DependencyInjection/LazyProxy/ProxyHelper.php
+++ b/src/Symfony/Component/DependencyInjection/LazyProxy/ProxyHelper.php
@@ -49,10 +49,6 @@ public static function getSignature(\ReflectionFunctionAbstract $r, &$call = nul
                     $k = substr($k, 1);
                 }
             } catch (\ReflectionException $e) {
-                if ($type && $p->allowsNull() && !class_exists('ReflectionNamedType', false)) {
-                    $k .= ' = null';
-                    $k = substr($k, 1);
-                }
             }
 
             $signature[] = $k;
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Compiler/AutowirePassTest.php b/src/Symfony/Component/DependencyInjection/Tests/Compiler/AutowirePassTest.php
index e2ba9ec4e4b97..0b4f80b3629e1 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Compiler/AutowirePassTest.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Compiler/AutowirePassTest.php
@@ -40,9 +40,6 @@ public function testProcess()
         $this->assertEquals(Foo::class, (string) $container->getDefinition('bar')->getArgument(0));
     }
 
-    /**
-     * @requires PHP 5.6
-     */
     public function testProcessVariadic()
     {
         $container = new ContainerBuilder();
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Dumper/PhpDumperTest.php b/src/Symfony/Component/DependencyInjection/Tests/Dumper/PhpDumperTest.php
index 744384b136f3a..aea09d916ac6b 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Dumper/PhpDumperTest.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Dumper/PhpDumperTest.php
@@ -482,9 +482,6 @@ public function testClosureProxy()
         $this->assertSame('reflection.Symfony\Component\DependencyInjection\Tests\Fixtures\Container31\Foo', (string) array_pop($res));
     }
 
-    /**
-     * @requires PHP 7.1
-     */
     public function testClosureProxyWithVoidReturnType()
     {
         $container = include self::$fixturesPath.'/containers/container_dump_proxy_with_void_return_type.php';
@@ -497,9 +494,6 @@ public function testClosureProxyWithVoidReturnType()
         $this->assertSame('reflection.Symfony\Component\DependencyInjection\Tests\Fixtures\ContainerVoid\Foo', (string) array_pop($res));
     }
 
-    /**
-     * @requires PHP 7.1
-     */
     public function testClosureProxyPhp71()
     {
         $container = include self::$fixturesPath.'/containers/container32.php';
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services31.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services31.php
index 045b3c8e61347..8f05da5df6b67 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services31.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services31.php
@@ -64,11 +64,11 @@ protected function getBarService()
         $this->services['bar'] = $instance = new \stdClass();
 
         $instance->foo = array(0 => /** @closure-proxy Symfony\Component\DependencyInjection\Tests\Fixtures\Container31\Foo::withNoArgs */ function () {
-            return ${($_ = isset($this->services['foo']) ? $this->services['foo'] : $this->get('foo')) && false ?: '_'}->withNoArgs();
+            return ($this->services['foo'] ?? $this->get('foo'))->withNoArgs();
         }, 1 => /** @closure-proxy Symfony\Component\DependencyInjection\Tests\Fixtures\Container31\Foo::withArgs */ function ($a, \Symfony\Component\DependencyInjection\Tests\Fixtures\Container31\Foo $b = NULL, $c = array(0 => 123)) {
-            return ${($_ = isset($this->services['foo']) ? $this->services['foo'] : $this->get('foo')) && false ?: '_'}->withArgs($a, $b, $c);
+            return ($this->services['foo'] ?? $this->get('foo'))->withArgs($a, $b, $c);
         }, 2 => /** @closure-proxy Symfony\Component\DependencyInjection\Tests\Fixtures\Container31\Foo::withRefs */ function &(&$a = NULL, &$b) {
-            return ${($_ = isset($this->services['foo']) ? $this->services['foo'] : $this->get('foo')) && false ?: '_'}->withRefs($a, $b);
+            return ($this->services['foo'] ?? $this->get('foo'))->withRefs($a, $b);
         });
 
         return $instance;
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services32.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services32.php
index c18b3f5d4421d..96ec4c73f6a66 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services32.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services32.php
@@ -64,11 +64,11 @@ protected function getBarService()
         $this->services['bar'] = $instance = new \stdClass();
 
         $instance->foo = array(0 => /** @closure-proxy Symfony\Component\DependencyInjection\Tests\Fixtures\Container32\Foo::withVariadic */ function ($a, &...$c) {
-            return ${($_ = isset($this->services['foo']) ? $this->services['foo'] : $this->get('foo')) && false ?: '_'}->withVariadic($a, ...$c);
+            return ($this->services['foo'] ?? $this->get('foo'))->withVariadic($a, ...$c);
         }, 1 => /** @closure-proxy Symfony\Component\DependencyInjection\Tests\Fixtures\Container32\Foo::withNullable */ function (?int $a) {
-            return ${($_ = isset($this->services['foo']) ? $this->services['foo'] : $this->get('foo')) && false ?: '_'}->withNullable($a);
+            return ($this->services['foo'] ?? $this->get('foo'))->withNullable($a);
         }, 2 => /** @closure-proxy Symfony\Component\DependencyInjection\Tests\Fixtures\Container32\Foo::withReturnType */ function (): \Bar {
-            return ${($_ = isset($this->services['foo']) ? $this->services['foo'] : $this->get('foo')) && false ?: '_'}->withReturnType();
+            return ($this->services['foo'] ?? $this->get('foo'))->withReturnType();
         });
 
         return $instance;
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9.php
index b8d5aeafacf24..9e3013dcafb3b 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9.php
@@ -83,7 +83,7 @@ public function __construct()
      */
     protected function getBarService()
     {
-        $a = ${($_ = isset($this->services['foo.baz']) ? $this->services['foo.baz'] : $this->get('foo.baz')) && false ?: '_'};
+        $a = ($this->services['foo.baz'] ?? $this->get('foo.baz'));
 
         $this->services['bar'] = $instance = new \Bar\FooClass('foo', $a, $this->getParameter('foo_bar'));
 
@@ -104,7 +104,7 @@ protected function getBazService()
     {
         $this->services['baz'] = $instance = new \Baz();
 
-        $instance->setFoo(${($_ = isset($this->services['foo_with_inline']) ? $this->services['foo_with_inline'] : $this->get('foo_with_inline')) && false ?: '_'});
+        $instance->setFoo(($this->services['foo_with_inline'] ?? $this->get('foo_with_inline')));
 
         return $instance;
     }
@@ -120,7 +120,7 @@ protected function getBazService()
     protected function getClosureProxyService()
     {
         return $this->services['closure_proxy'] = new \BarClass(/** @closure-proxy BarClass::getBaz */ function () {
-            return ${($_ = isset($this->services['closure_proxy']) ? $this->services['closure_proxy'] : $this->get('closure_proxy')) && false ?: '_'}->getBaz();
+            return ($this->services['closure_proxy'] ?? $this->get('closure_proxy'))->getBaz();
         });
     }
 
@@ -136,7 +136,7 @@ protected function getConfiguredServiceService()
     {
         $this->services['configured_service'] = $instance = new \stdClass();
 
-        ${($_ = isset($this->services['configurator_service']) ? $this->services['configurator_service'] : $this->getConfiguratorServiceService()) && false ?: '_'}->configureStdClass($instance);
+        ($this->services['configurator_service'] ?? $this->getConfiguratorServiceService())->configureStdClass($instance);
 
         return $instance;
     }
@@ -153,7 +153,7 @@ protected function getConfiguredServiceSimpleService()
     {
         $this->services['configured_service_simple'] = $instance = new \stdClass();
 
-        ${($_ = isset($this->services['configurator_service_simple']) ? $this->services['configurator_service_simple'] : $this->getConfiguratorServiceSimpleService()) && false ?: '_'}->configureStdClass($instance);
+        ($this->services['configurator_service_simple'] ?? $this->getConfiguratorServiceSimpleService())->configureStdClass($instance);
 
         return $instance;
     }
@@ -224,7 +224,7 @@ protected function getDeprecatedServiceService()
      */
     protected function getFactoryServiceService()
     {
-        return $this->services['factory_service'] = ${($_ = isset($this->services['foo.baz']) ? $this->services['foo.baz'] : $this->get('foo.baz')) && false ?: '_'}->getInstance();
+        return $this->services['factory_service'] = ($this->services['foo.baz'] ?? $this->get('foo.baz'))->getInstance();
     }
 
     /**
@@ -237,7 +237,7 @@ protected function getFactoryServiceService()
      */
     protected function getFactoryServiceSimpleService()
     {
-        return $this->services['factory_service_simple'] = ${($_ = isset($this->services['factory_simple']) ? $this->services['factory_simple'] : $this->getFactorySimpleService()) && false ?: '_'}->getInstance();
+        return $this->services['factory_service_simple'] = ($this->services['factory_simple'] ?? $this->getFactorySimpleService())->getInstance();
     }
 
     /**
@@ -250,14 +250,14 @@ protected function getFactoryServiceSimpleService()
      */
     protected function getFooService()
     {
-        $a = ${($_ = isset($this->services['foo.baz']) ? $this->services['foo.baz'] : $this->get('foo.baz')) && false ?: '_'};
+        $a = ($this->services['foo.baz'] ?? $this->get('foo.baz'));
 
         $this->services['foo'] = $instance = \Bar\FooClass::getInstance('foo', $a, array($this->getParameter('foo') => 'foo is '.$this->getParameter('foo').'', 'foobar' => $this->getParameter('foo')), true, $this);
 
         $instance->foo = 'bar';
         $instance->moo = $a;
         $instance->qux = array($this->getParameter('foo') => 'foo is '.$this->getParameter('foo').'', 'foobar' => $this->getParameter('foo'));
-        $instance->setBar(${($_ = isset($this->services['bar']) ? $this->services['bar'] : $this->get('bar')) && false ?: '_'});
+        $instance->setBar(($this->services['bar'] ?? $this->get('bar')));
         $instance->initialize();
         sc_configure($instance);
 
@@ -305,7 +305,7 @@ protected function getFooWithInlineService()
     {
         $this->services['foo_with_inline'] = $instance = new \Foo();
 
-        $instance->setBar(${($_ = isset($this->services['inlined']) ? $this->services['inlined'] : $this->getInlinedService()) && false ?: '_'});
+        $instance->setBar(($this->services['inlined'] ?? $this->getInlinedService()));
 
         return $instance;
     }
@@ -321,7 +321,7 @@ protected function getFooWithInlineService()
     protected function getLazyContextService()
     {
         return $this->services['lazy_context'] = new \LazyContext(new RewindableGenerator(function () {
-            yield 'k1' => ${($_ = isset($this->services['foo.baz']) ? $this->services['foo.baz'] : $this->get('foo.baz')) && false ?: '_'};
+            yield 'k1' => ($this->services['foo.baz'] ?? $this->get('foo.baz'));
             yield 'k2' => $this;
         }, 2), new RewindableGenerator(function () {
             return new \EmptyIterator();
@@ -339,7 +339,7 @@ protected function getLazyContextService()
     protected function getLazyContextIgnoreInvalidRefService()
     {
         return $this->services['lazy_context_ignore_invalid_ref'] = new \LazyContext(new RewindableGenerator(function () {
-            yield 0 => ${($_ = isset($this->services['foo.baz']) ? $this->services['foo.baz'] : $this->get('foo.baz')) && false ?: '_'};
+            yield 0 => ($this->services['foo.baz'] ?? $this->get('foo.baz'));
             if ($this->has('invalid')) {
                 yield 1 => $this->get('invalid', ContainerInterface::NULL_ON_INVALID_REFERENCE);
             }
@@ -364,7 +364,7 @@ protected function getMethodCall1Service()
 
         $this->services['method_call1'] = $instance = new \Bar\FooClass();
 
-        $instance->setBar(${($_ = isset($this->services['foo']) ? $this->services['foo'] : $this->get('foo')) && false ?: '_'});
+        $instance->setBar(($this->services['foo'] ?? $this->get('foo')));
         $instance->setBar($this->get('foo2', ContainerInterface::NULL_ON_INVALID_REFERENCE));
         if ($this->has('foo3')) {
             $instance->setBar($this->get('foo3', ContainerInterface::NULL_ON_INVALID_REFERENCE));
@@ -387,7 +387,7 @@ protected function getMethodCall1Service()
      */
     protected function getNewFactoryServiceService()
     {
-        $this->services['new_factory_service'] = $instance = ${($_ = isset($this->services['new_factory']) ? $this->services['new_factory'] : $this->getNewFactoryService()) && false ?: '_'}->getInstance();
+        $this->services['new_factory_service'] = $instance = ($this->services['new_factory'] ?? $this->getNewFactoryService())->getInstance();
 
         $instance->foo = 'bar';
 
@@ -423,7 +423,7 @@ protected function getConfiguratorServiceService()
     {
         $this->services['configurator_service'] = $instance = new \ConfClass();
 
-        $instance->setFoo(${($_ = isset($this->services['baz']) ? $this->services['baz'] : $this->get('baz')) && false ?: '_'});
+        $instance->setFoo(($this->services['baz'] ?? $this->get('baz')));
 
         return $instance;
     }
@@ -479,7 +479,7 @@ protected function getInlinedService()
         $this->services['inlined'] = $instance = new \Bar();
 
         $instance->pub = 'pub';
-        $instance->setBaz(${($_ = isset($this->services['baz']) ? $this->services['baz'] : $this->get('baz')) && false ?: '_'});
+        $instance->setBaz(($this->services['baz'] ?? $this->get('baz')));
 
         return $instance;
     }
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9_compiled.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9_compiled.php
index 78d1e15edbf5a..58e61f712f52b 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9_compiled.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9_compiled.php
@@ -83,7 +83,7 @@ public function isCompiled()
      */
     protected function getBarService()
     {
-        $a = ${($_ = isset($this->services['foo.baz']) ? $this->services['foo.baz'] : $this->get('foo.baz')) && false ?: '_'};
+        $a = ($this->services['foo.baz'] ?? $this->get('foo.baz'));
 
         $this->services['bar'] = $instance = new \Bar\FooClass('foo', $a, $this->getParameter('foo_bar'));
 
@@ -104,7 +104,7 @@ protected function getBazService()
     {
         $this->services['baz'] = $instance = new \Baz();
 
-        $instance->setFoo(${($_ = isset($this->services['foo_with_inline']) ? $this->services['foo_with_inline'] : $this->get('foo_with_inline')) && false ?: '_'});
+        $instance->setFoo(($this->services['foo_with_inline'] ?? $this->get('foo_with_inline')));
 
         return $instance;
     }
@@ -120,7 +120,7 @@ protected function getBazService()
     protected function getClosureProxyService()
     {
         return $this->services['closure_proxy'] = new \BarClass(/** @closure-proxy BarClass::getBaz */ function () {
-            return ${($_ = isset($this->services['closure_proxy']) ? $this->services['closure_proxy'] : $this->get('closure_proxy')) && false ?: '_'}->getBaz();
+            return ($this->services['closure_proxy'] ?? $this->get('closure_proxy'))->getBaz();
         });
     }
 
@@ -135,7 +135,7 @@ protected function getClosureProxyService()
     protected function getConfiguredServiceService()
     {
         $a = new \ConfClass();
-        $a->setFoo(${($_ = isset($this->services['baz']) ? $this->services['baz'] : $this->get('baz')) && false ?: '_'});
+        $a->setFoo(($this->services['baz'] ?? $this->get('baz')));
 
         $this->services['configured_service'] = $instance = new \stdClass();
 
@@ -214,7 +214,7 @@ protected function getDeprecatedServiceService()
      */
     protected function getFactoryServiceService()
     {
-        return $this->services['factory_service'] = ${($_ = isset($this->services['foo.baz']) ? $this->services['foo.baz'] : $this->get('foo.baz')) && false ?: '_'}->getInstance();
+        return $this->services['factory_service'] = ($this->services['foo.baz'] ?? $this->get('foo.baz'))->getInstance();
     }
 
     /**
@@ -240,14 +240,14 @@ protected function getFactoryServiceSimpleService()
      */
     protected function getFooService()
     {
-        $a = ${($_ = isset($this->services['foo.baz']) ? $this->services['foo.baz'] : $this->get('foo.baz')) && false ?: '_'};
+        $a = ($this->services['foo.baz'] ?? $this->get('foo.baz'));
 
         $this->services['foo'] = $instance = \Bar\FooClass::getInstance('foo', $a, array('bar' => 'foo is bar', 'foobar' => 'bar'), true, $this);
 
         $instance->foo = 'bar';
         $instance->moo = $a;
         $instance->qux = array('bar' => 'foo is bar', 'foobar' => 'bar');
-        $instance->setBar(${($_ = isset($this->services['bar']) ? $this->services['bar'] : $this->get('bar')) && false ?: '_'});
+        $instance->setBar(($this->services['bar'] ?? $this->get('bar')));
         $instance->initialize();
         sc_configure($instance);
 
@@ -296,7 +296,7 @@ protected function getFooWithInlineService()
         $this->services['foo_with_inline'] = $instance = new \Foo();
 
         $a->pub = 'pub';
-        $a->setBaz(${($_ = isset($this->services['baz']) ? $this->services['baz'] : $this->get('baz')) && false ?: '_'});
+        $a->setBaz(($this->services['baz'] ?? $this->get('baz')));
 
         $instance->setBar($a);
 
@@ -314,7 +314,7 @@ protected function getFooWithInlineService()
     protected function getLazyContextService()
     {
         return $this->services['lazy_context'] = new \LazyContext(new RewindableGenerator(function () {
-            yield 'k1' => ${($_ = isset($this->services['foo.baz']) ? $this->services['foo.baz'] : $this->get('foo.baz')) && false ?: '_'};
+            yield 'k1' => ($this->services['foo.baz'] ?? $this->get('foo.baz'));
             yield 'k2' => $this;
         }, 2), new RewindableGenerator(function () {
             return new \EmptyIterator();
@@ -332,7 +332,7 @@ protected function getLazyContextService()
     protected function getLazyContextIgnoreInvalidRefService()
     {
         return $this->services['lazy_context_ignore_invalid_ref'] = new \LazyContext(new RewindableGenerator(function () {
-            yield 0 => ${($_ = isset($this->services['foo.baz']) ? $this->services['foo.baz'] : $this->get('foo.baz')) && false ?: '_'};
+            yield 0 => ($this->services['foo.baz'] ?? $this->get('foo.baz'));
         }, 1), new RewindableGenerator(function () {
             return new \EmptyIterator();
         }, 0));
@@ -352,7 +352,7 @@ protected function getMethodCall1Service()
 
         $this->services['method_call1'] = $instance = new \Bar\FooClass();
 
-        $instance->setBar(${($_ = isset($this->services['foo']) ? $this->services['foo'] : $this->get('foo')) && false ?: '_'});
+        $instance->setBar(($this->services['foo'] ?? $this->get('foo')));
         $instance->setBar(NULL);
         $instance->setBar(($this->get("foo")->foo() . (($this->hasParameter("foo")) ? ($this->getParameter("foo")) : ("default"))));
 
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_dump_proxy_with_void_return_type.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_dump_proxy_with_void_return_type.php
index f09561d8f4e1f..4d282d1a6ddd1 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_dump_proxy_with_void_return_type.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_dump_proxy_with_void_return_type.php
@@ -64,7 +64,7 @@ protected function getBarService()
         $this->services['bar'] = $instance = new \stdClass();
 
         $instance->foo = array(0 => /** @closure-proxy Symfony\Component\DependencyInjection\Tests\Fixtures\ContainerVoid\Foo::withVoid */ function (): void {
-            ${($_ = isset($this->services['foo']) ? $this->services['foo'] : $this->get('foo')) && false ?: '_'}->withVoid();
+            ($this->services['foo'] ?? $this->get('foo'))->withVoid();
         });
 
         return $instance;
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_locator.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_locator.php
index 651547430bcf7..98305c1a1df6d 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_locator.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_locator.php
@@ -71,7 +71,7 @@ public function isCompiled()
      */
     protected function getBarServiceService()
     {
-        return $this->services['bar_service'] = new \stdClass(${($_ = isset($this->services['baz_service']) ? $this->services['baz_service'] : $this->getBazServiceService()) && false ?: '_'});
+        return $this->services['bar_service'] = new \stdClass(($this->services['baz_service'] ?? $this->getBazServiceService()));
     }
 
     /**
@@ -85,9 +85,9 @@ protected function getBarServiceService()
     protected function getFooServiceService()
     {
         return $this->services['foo_service'] = new \Symfony\Component\DependencyInjection\ServiceLocator(array('bar' => function () {
-            return ${($_ = isset($this->services['bar_service']) ? $this->services['bar_service'] : $this->get('bar_service')) && false ?: '_'};
-        }, 'baz' => function () {
-            $f = function (\stdClass $v) { return $v; }; return $f(${($_ = isset($this->services['baz_service']) ? $this->services['baz_service'] : $this->getBazServiceService()) && false ?: '_'});
+            return ($this->services['bar_service'] ?? $this->get('bar_service'));
+        }, 'baz' => function (): \stdClass {
+            return ($this->services['baz_service'] ?? $this->getBazServiceService());
         }, 'nil' => function () {
             return NULL;
         }));
@@ -143,7 +143,7 @@ protected function getTranslator_Loader3Service()
     protected function getTranslator1Service()
     {
         return $this->services['translator_1'] = new \Symfony\Component\DependencyInjection\Tests\Fixtures\StubbedTranslator(new \Symfony\Component\DependencyInjection\ServiceLocator(array('translator.loader_1' => function () {
-            return ${($_ = isset($this->services['translator.loader_1']) ? $this->services['translator.loader_1'] : $this->get('translator.loader_1')) && false ?: '_'};
+            return ($this->services['translator.loader_1'] ?? $this->get('translator.loader_1'));
         })));
     }
 
@@ -158,10 +158,10 @@ protected function getTranslator1Service()
     protected function getTranslator2Service()
     {
         $this->services['translator_2'] = $instance = new \Symfony\Component\DependencyInjection\Tests\Fixtures\StubbedTranslator(new \Symfony\Component\DependencyInjection\ServiceLocator(array('translator.loader_2' => function () {
-            return ${($_ = isset($this->services['translator.loader_2']) ? $this->services['translator.loader_2'] : $this->get('translator.loader_2')) && false ?: '_'};
+            return ($this->services['translator.loader_2'] ?? $this->get('translator.loader_2'));
         })));
 
-        $instance->addResource('db', ${($_ = isset($this->services['translator.loader_2']) ? $this->services['translator.loader_2'] : $this->get('translator.loader_2')) && false ?: '_'}, 'nl');
+        $instance->addResource('db', ($this->services['translator.loader_2'] ?? $this->get('translator.loader_2')), 'nl');
 
         return $instance;
     }
@@ -176,10 +176,10 @@ protected function getTranslator2Service()
      */
     protected function getTranslator3Service()
     {
-        $a = ${($_ = isset($this->services['translator.loader_3']) ? $this->services['translator.loader_3'] : $this->get('translator.loader_3')) && false ?: '_'};
+        $a = ($this->services['translator.loader_3'] ?? $this->get('translator.loader_3'));
 
         $this->services['translator_3'] = $instance = new \Symfony\Component\DependencyInjection\Tests\Fixtures\StubbedTranslator(new \Symfony\Component\DependencyInjection\ServiceLocator(array('translator.loader_3' => function () {
-            return ${($_ = isset($this->services['translator.loader_3']) ? $this->services['translator.loader_3'] : $this->get('translator.loader_3')) && false ?: '_'};
+            return ($this->services['translator.loader_3'] ?? $this->get('translator.loader_3'));
         })));
 
         $instance->addResource('db', $a, 'nl');
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_private_frozen.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_private_frozen.php
index d6e0e57205f47..1df28c328a58a 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_private_frozen.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_private_frozen.php
@@ -65,7 +65,7 @@ public function isCompiled()
      */
     protected function getBarServiceService()
     {
-        return $this->services['bar_service'] = new \stdClass(${($_ = isset($this->services['baz_service']) ? $this->services['baz_service'] : $this->getBazServiceService()) && false ?: '_'});
+        return $this->services['bar_service'] = new \stdClass(($this->services['baz_service'] ?? $this->getBazServiceService()));
     }
 
     /**
@@ -78,7 +78,7 @@ protected function getBarServiceService()
      */
     protected function getFooServiceService()
     {
-        return $this->services['foo_service'] = new \stdClass(${($_ = isset($this->services['baz_service']) ? $this->services['baz_service'] : $this->getBazServiceService()) && false ?: '_'});
+        return $this->services['foo_service'] = new \stdClass(($this->services['baz_service'] ?? $this->getBazServiceService()));
     }
 
     /**
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_subscriber.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_subscriber.php
index 9179b270b1419..81506dae44a0d 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_subscriber.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services_subscriber.php
@@ -84,14 +84,14 @@ protected function getSymfony_Component_DependencyInjection_Tests_Fixtures_TestS
      */
     protected function getFooServiceService()
     {
-        return $this->services['foo_service'] = new \Symfony\Component\DependencyInjection\Tests\Fixtures\TestServiceSubscriber(new \Symfony\Component\DependencyInjection\ServiceLocator(array('Symfony\\Component\\DependencyInjection\\Tests\\Fixtures\\CustomDefinition' => function () {
-            $f = function (\Symfony\Component\DependencyInjection\Tests\Fixtures\CustomDefinition $v) { return $v; }; return $f(${($_ = isset($this->services['autowired.Symfony\Component\DependencyInjection\Tests\Fixtures\CustomDefinition']) ? $this->services['autowired.Symfony\Component\DependencyInjection\Tests\Fixtures\CustomDefinition'] : $this->getAutowired_Symfony_Component_DependencyInjection_Tests_Fixtures_CustomDefinitionService()) && false ?: '_'});
-        }, 'Symfony\\Component\\DependencyInjection\\Tests\\Fixtures\\TestServiceSubscriber' => function () {
-            $f = function (\Symfony\Component\DependencyInjection\Tests\Fixtures\TestServiceSubscriber $v) { return $v; }; return $f(${($_ = isset($this->services['Symfony\Component\DependencyInjection\Tests\Fixtures\TestServiceSubscriber']) ? $this->services['Symfony\Component\DependencyInjection\Tests\Fixtures\TestServiceSubscriber'] : $this->get('Symfony\Component\DependencyInjection\Tests\Fixtures\TestServiceSubscriber')) && false ?: '_'});
-        }, 'bar' => function () {
-            $f = function (\Symfony\Component\DependencyInjection\Tests\Fixtures\CustomDefinition $v) { return $v; }; return $f(${($_ = isset($this->services['Symfony\Component\DependencyInjection\Tests\Fixtures\TestServiceSubscriber']) ? $this->services['Symfony\Component\DependencyInjection\Tests\Fixtures\TestServiceSubscriber'] : $this->get('Symfony\Component\DependencyInjection\Tests\Fixtures\TestServiceSubscriber')) && false ?: '_'});
-        }, 'baz' => function () {
-            $f = function (\Symfony\Component\DependencyInjection\Tests\Fixtures\CustomDefinition $v) { return $v; }; return $f(${($_ = isset($this->services['autowired.Symfony\Component\DependencyInjection\Tests\Fixtures\CustomDefinition']) ? $this->services['autowired.Symfony\Component\DependencyInjection\Tests\Fixtures\CustomDefinition'] : $this->getAutowired_Symfony_Component_DependencyInjection_Tests_Fixtures_CustomDefinitionService()) && false ?: '_'});
+        return $this->services['foo_service'] = new \Symfony\Component\DependencyInjection\Tests\Fixtures\TestServiceSubscriber(new \Symfony\Component\DependencyInjection\ServiceLocator(array('Symfony\\Component\\DependencyInjection\\Tests\\Fixtures\\CustomDefinition' => function (): \Symfony\Component\DependencyInjection\Tests\Fixtures\CustomDefinition {
+            return ($this->services['autowired.Symfony\Component\DependencyInjection\Tests\Fixtures\CustomDefinition'] ?? $this->getAutowired_Symfony_Component_DependencyInjection_Tests_Fixtures_CustomDefinitionService());
+        }, 'Symfony\\Component\\DependencyInjection\\Tests\\Fixtures\\TestServiceSubscriber' => function (): \Symfony\Component\DependencyInjection\Tests\Fixtures\TestServiceSubscriber {
+            return ($this->services['Symfony\Component\DependencyInjection\Tests\Fixtures\TestServiceSubscriber'] ?? $this->get('Symfony\Component\DependencyInjection\Tests\Fixtures\TestServiceSubscriber'));
+        }, 'bar' => function (): \Symfony\Component\DependencyInjection\Tests\Fixtures\CustomDefinition {
+            return ($this->services['Symfony\Component\DependencyInjection\Tests\Fixtures\TestServiceSubscriber'] ?? $this->get('Symfony\Component\DependencyInjection\Tests\Fixtures\TestServiceSubscriber'));
+        }, 'baz' => function (): \Symfony\Component\DependencyInjection\Tests\Fixtures\CustomDefinition {
+            return ($this->services['autowired.Symfony\Component\DependencyInjection\Tests\Fixtures\CustomDefinition'] ?? $this->getAutowired_Symfony_Component_DependencyInjection_Tests_Fixtures_CustomDefinitionService());
         })));
     }
 
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Loader/IniFileLoaderTest.php b/src/Symfony/Component/DependencyInjection/Tests/Loader/IniFileLoaderTest.php
index 003cd714b1fa9..66fe419b9d806 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Loader/IniFileLoaderTest.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Loader/IniFileLoaderTest.php
@@ -45,7 +45,6 @@ public function testTypeConversions($key, $value, $supported)
 
     /**
      * @dataProvider getTypeConversions
-     * @requires PHP 5.6.1
      * This test illustrates where our conversions differs from INI_SCANNER_TYPED introduced in PHP 5.6.1
      */
     public function testTypeConversionsWithNativePhp($key, $value, $supported)
diff --git a/src/Symfony/Component/Finder/CHANGELOG.md b/src/Symfony/Component/Finder/CHANGELOG.md
index 9b88b452ffc04..7361fb1940798 100644
--- a/src/Symfony/Component/Finder/CHANGELOG.md
+++ b/src/Symfony/Component/Finder/CHANGELOG.md
@@ -5,6 +5,7 @@ CHANGELOG
 -----
 
  * removed `ExceptionInterface`
+ * removed `Symfony\Component\Finder\Iterator\FilterIterator`
 
 3.4.0
 -----
diff --git a/src/Symfony/Component/Finder/Iterator/CustomFilterIterator.php b/src/Symfony/Component/Finder/Iterator/CustomFilterIterator.php
index b43b88d98df79..db6d4f2db07e1 100644
--- a/src/Symfony/Component/Finder/Iterator/CustomFilterIterator.php
+++ b/src/Symfony/Component/Finder/Iterator/CustomFilterIterator.php
@@ -19,7 +19,7 @@
  *
  * @author Fabien Potencier <fabien@symfony.com>
  */
-class CustomFilterIterator extends FilterIterator
+class CustomFilterIterator extends \FilterIterator
 {
     private $filters = array();
 
diff --git a/src/Symfony/Component/Finder/Iterator/DateRangeFilterIterator.php b/src/Symfony/Component/Finder/Iterator/DateRangeFilterIterator.php
index 0f2d48f39ef99..2ccaf93f319e1 100644
--- a/src/Symfony/Component/Finder/Iterator/DateRangeFilterIterator.php
+++ b/src/Symfony/Component/Finder/Iterator/DateRangeFilterIterator.php
@@ -18,7 +18,7 @@
  *
  * @author Fabien Potencier <fabien@symfony.com>
  */
-class DateRangeFilterIterator extends FilterIterator
+class DateRangeFilterIterator extends \FilterIterator
 {
     private $comparators = array();
 
diff --git a/src/Symfony/Component/Finder/Iterator/DepthRangeFilterIterator.php b/src/Symfony/Component/Finder/Iterator/DepthRangeFilterIterator.php
index f78c71ed415cc..1c956e97b5e65 100644
--- a/src/Symfony/Component/Finder/Iterator/DepthRangeFilterIterator.php
+++ b/src/Symfony/Component/Finder/Iterator/DepthRangeFilterIterator.php
@@ -16,7 +16,7 @@
  *
  * @author Fabien Potencier <fabien@symfony.com>
  */
-class DepthRangeFilterIterator extends FilterIterator
+class DepthRangeFilterIterator extends \FilterIterator
 {
     private $minDepth = 0;
 
diff --git a/src/Symfony/Component/Finder/Iterator/ExcludeDirectoryFilterIterator.php b/src/Symfony/Component/Finder/Iterator/ExcludeDirectoryFilterIterator.php
index 3f5a5dfeb133c..8e240f9fe6ae3 100644
--- a/src/Symfony/Component/Finder/Iterator/ExcludeDirectoryFilterIterator.php
+++ b/src/Symfony/Component/Finder/Iterator/ExcludeDirectoryFilterIterator.php
@@ -16,7 +16,7 @@
  *
  * @author Fabien Potencier <fabien@symfony.com>
  */
-class ExcludeDirectoryFilterIterator extends FilterIterator implements \RecursiveIterator
+class ExcludeDirectoryFilterIterator extends \FilterIterator implements \RecursiveIterator
 {
     private $iterator;
     private $isRecursive;
diff --git a/src/Symfony/Component/Finder/Iterator/FileTypeFilterIterator.php b/src/Symfony/Component/Finder/Iterator/FileTypeFilterIterator.php
index f50fd82c345f4..d1c0ebaca6f64 100644
--- a/src/Symfony/Component/Finder/Iterator/FileTypeFilterIterator.php
+++ b/src/Symfony/Component/Finder/Iterator/FileTypeFilterIterator.php
@@ -16,7 +16,7 @@
  *
  * @author Fabien Potencier <fabien@symfony.com>
  */
-class FileTypeFilterIterator extends FilterIterator
+class FileTypeFilterIterator extends \FilterIterator
 {
     const ONLY_FILES = 1;
     const ONLY_DIRECTORIES = 2;
diff --git a/src/Symfony/Component/Finder/Iterator/FilterIterator.php b/src/Symfony/Component/Finder/Iterator/FilterIterator.php
deleted file mode 100644
index a182f10eb8ded..0000000000000
--- a/src/Symfony/Component/Finder/Iterator/FilterIterator.php
+++ /dev/null
@@ -1,60 +0,0 @@
-<?php
-
-/*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace Symfony\Component\Finder\Iterator;
-
-/**
- * This iterator just overrides the rewind method in order to correct a PHP bug,
- * which existed before version 5.5.23/5.6.7.
- *
- * @see https://bugs.php.net/68557
- *
- * @author Alex Bogomazov
- *
- * @deprecated since 3.4, to be removed in 4.0.
- */
-abstract class FilterIterator extends \FilterIterator
-{
-    /**
-     * This is a workaround for the problem with \FilterIterator leaving inner \FilesystemIterator in wrong state after
-     * rewind in some cases.
-     *
-     * @see FilterIterator::rewind()
-     */
-    public function rewind()
-    {
-        if (PHP_VERSION_ID > 50607 || (PHP_VERSION_ID > 50523 && PHP_VERSION_ID < 50600)) {
-            parent::rewind();
-
-            return;
-        }
-
-        $iterator = $this;
-        while ($iterator instanceof \OuterIterator) {
-            $innerIterator = $iterator->getInnerIterator();
-
-            if ($innerIterator instanceof RecursiveDirectoryIterator) {
-                // this condition is necessary for iterators to work properly with non-local filesystems like ftp
-                if ($innerIterator->isRewindable()) {
-                    $innerIterator->next();
-                    $innerIterator->rewind();
-                }
-            } elseif ($innerIterator instanceof \FilesystemIterator) {
-                $innerIterator->next();
-                $innerIterator->rewind();
-            }
-
-            $iterator = $innerIterator;
-        }
-
-        parent::rewind();
-    }
-}
diff --git a/src/Symfony/Component/Finder/Iterator/MultiplePcreFilterIterator.php b/src/Symfony/Component/Finder/Iterator/MultiplePcreFilterIterator.php
index 162dc1410b979..44f4fb35cb98b 100644
--- a/src/Symfony/Component/Finder/Iterator/MultiplePcreFilterIterator.php
+++ b/src/Symfony/Component/Finder/Iterator/MultiplePcreFilterIterator.php
@@ -16,7 +16,7 @@
  *
  * @author Fabien Potencier <fabien@symfony.com>
  */
-abstract class MultiplePcreFilterIterator extends FilterIterator
+abstract class MultiplePcreFilterIterator extends \FilterIterator
 {
     protected $matchRegexps = array();
     protected $noMatchRegexps = array();
diff --git a/src/Symfony/Component/Finder/Iterator/RecursiveDirectoryIterator.php b/src/Symfony/Component/Finder/Iterator/RecursiveDirectoryIterator.php
index 5bea38e69a772..f56990aa70d31 100644
--- a/src/Symfony/Component/Finder/Iterator/RecursiveDirectoryIterator.php
+++ b/src/Symfony/Component/Finder/Iterator/RecursiveDirectoryIterator.php
@@ -118,11 +118,6 @@ public function rewind()
             return;
         }
 
-        // @see https://bugs.php.net/68557
-        if (PHP_VERSION_ID < 50523 || PHP_VERSION_ID >= 50600 && PHP_VERSION_ID < 50607) {
-            parent::next();
-        }
-
         parent::rewind();
     }
 
diff --git a/src/Symfony/Component/Finder/Iterator/SizeRangeFilterIterator.php b/src/Symfony/Component/Finder/Iterator/SizeRangeFilterIterator.php
index 3d3140a6ae45a..9262a38e663b7 100644
--- a/src/Symfony/Component/Finder/Iterator/SizeRangeFilterIterator.php
+++ b/src/Symfony/Component/Finder/Iterator/SizeRangeFilterIterator.php
@@ -18,7 +18,7 @@
  *
  * @author Fabien Potencier <fabien@symfony.com>
  */
-class SizeRangeFilterIterator extends FilterIterator
+class SizeRangeFilterIterator extends \FilterIterator
 {
     private $comparators = array();
 
diff --git a/src/Symfony/Component/Finder/Tests/Iterator/FilterIteratorTest.php b/src/Symfony/Component/Finder/Tests/Iterator/FilterIteratorTest.php
deleted file mode 100644
index 8b1a4482bae2e..0000000000000
--- a/src/Symfony/Component/Finder/Tests/Iterator/FilterIteratorTest.php
+++ /dev/null
@@ -1,53 +0,0 @@
-<?php
-
-/*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace Symfony\Component\Finder\Tests\Iterator;
-
-/**
- * @author Alex Bogomazov
- *
- * @group legacy
- */
-class FilterIteratorTest extends RealIteratorTestCase
-{
-    public function testFilterFilesystemIterators()
-    {
-        $i = new \FilesystemIterator($this->toAbsolute());
-
-        // it is expected that there are test.py test.php in the tmpDir
-        $i = $this->getMockForAbstractClass('Symfony\Component\Finder\Iterator\FilterIterator', array($i));
-        $i->expects($this->any())
-            ->method('accept')
-            ->will($this->returnCallback(function () use ($i) {
-                return (bool) preg_match('/\.php/', (string) $i->current());
-            })
-        );
-
-        $c = 0;
-        foreach ($i as $item) {
-            ++$c;
-        }
-
-        $this->assertEquals(1, $c);
-
-        $i->rewind();
-
-        $c = 0;
-        foreach ($i as $item) {
-            ++$c;
-        }
-
-        // This would fail in php older than 5.5.23/5.6.7 with \FilterIterator
-        // but works with Symfony\Component\Finder\Iterator\FilterIterator
-        // see https://bugs.php.net/68557
-        $this->assertEquals(1, $c);
-    }
-}
diff --git a/src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToStringTransformer.php b/src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToStringTransformer.php
index 7d29b6b88c1af..c9c1854e3aef9 100644
--- a/src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToStringTransformer.php
+++ b/src/Symfony/Component/Form/Extension/Core/DataTransformer/DateTimeToStringTransformer.php
@@ -43,8 +43,6 @@ class DateTimeToStringTransformer extends BaseDateTimeTransformer
     /**
      * Whether to parse by appending a pipe "|" to the parse format.
      *
-     * This only works as of PHP 5.3.7.
-     *
      * @var bool
      */
     private $parseUsingPipe;
diff --git a/src/Symfony/Component/Form/FormError.php b/src/Symfony/Component/Form/FormError.php
index e4e50a873c942..88a4ad6ceec55 100644
--- a/src/Symfony/Component/Form/FormError.php
+++ b/src/Symfony/Component/Form/FormError.php
@@ -185,10 +185,6 @@ public function serialize()
      */
     public function unserialize($serialized)
     {
-        if (PHP_VERSION_ID >= 70000) {
-            list($this->message, $this->messageTemplate, $this->messageParameters, $this->messagePluralization, $this->cause) = unserialize($serialized, array('allowed_classes' => false));
-        } else {
-            list($this->message, $this->messageTemplate, $this->messageParameters, $this->messagePluralization, $this->cause) = unserialize($serialized);
-        }
+        list($this->message, $this->messageTemplate, $this->messageParameters, $this->messagePluralization, $this->cause) = unserialize($serialized, array('allowed_classes' => false));
     }
 }
diff --git a/src/Symfony/Component/HttpFoundation/Request.php b/src/Symfony/Component/HttpFoundation/Request.php
index 4962256376d71..536e110788946 100644
--- a/src/Symfony/Component/HttpFoundation/Request.php
+++ b/src/Symfony/Component/HttpFoundation/Request.php
@@ -1576,9 +1576,6 @@ public function isMethodCacheable()
     public function getContent($asResource = false)
     {
         $currentContentIsResource = is_resource($this->content);
-        if (PHP_VERSION_ID < 50600 && false === $this->content) {
-            throw new \LogicException('getContent() can only be called once when using the resource return type and PHP below 5.6.');
-        }
 
         if (true === $asResource) {
             if ($currentContentIsResource) {
diff --git a/src/Symfony/Component/HttpFoundation/Tests/CookieTest.php b/src/Symfony/Component/HttpFoundation/Tests/CookieTest.php
index edaed2533b1bd..29fac6adaf989 100644
--- a/src/Symfony/Component/HttpFoundation/Tests/CookieTest.php
+++ b/src/Symfony/Component/HttpFoundation/Tests/CookieTest.php
@@ -104,9 +104,6 @@ public function testConstructorWithDateTime()
         $this->assertEquals($expire->format('U'), $cookie->getExpiresTime(), '->getExpiresTime() returns the expire date');
     }
 
-    /**
-     * @requires PHP 5.5
-     */
     public function testConstructorWithDateTimeImmutable()
     {
         $expire = new \DateTimeImmutable();
diff --git a/src/Symfony/Component/HttpFoundation/Tests/RequestTest.php b/src/Symfony/Component/HttpFoundation/Tests/RequestTest.php
index dfc37459ab971..7cb59dc1cd819 100644
--- a/src/Symfony/Component/HttpFoundation/Tests/RequestTest.php
+++ b/src/Symfony/Component/HttpFoundation/Tests/RequestTest.php
@@ -1051,21 +1051,6 @@ public function testContentAsResource()
         $this->assertEquals('My other content', $req->getContent());
     }
 
-    /**
-     * @expectedException \LogicException
-     * @dataProvider getContentCantBeCalledTwiceWithResourcesProvider
-     */
-    public function testGetContentCantBeCalledTwiceWithResources($first, $second)
-    {
-        if (PHP_VERSION_ID >= 50600) {
-            $this->markTestSkipped('PHP >= 5.6 allows to open php://input several times.');
-        }
-
-        $req = new Request();
-        $req->getContent($first);
-        $req->getContent($second);
-    }
-
     public function getContentCantBeCalledTwiceWithResourcesProvider()
     {
         return array(
@@ -1076,7 +1061,6 @@ public function getContentCantBeCalledTwiceWithResourcesProvider()
 
     /**
      * @dataProvider getContentCanBeCalledTwiceWithResourcesProvider
-     * @requires PHP 5.6
      */
     public function testGetContentCanBeCalledTwiceWithResources($first, $second)
     {
diff --git a/src/Symfony/Component/HttpKernel/Config/EnvParametersResource.php b/src/Symfony/Component/HttpKernel/Config/EnvParametersResource.php
index fd53f0bcef3b3..3bb574b5ffa58 100644
--- a/src/Symfony/Component/HttpKernel/Config/EnvParametersResource.php
+++ b/src/Symfony/Component/HttpKernel/Config/EnvParametersResource.php
@@ -72,11 +72,7 @@ public function serialize()
 
     public function unserialize($serialized)
     {
-        if (PHP_VERSION_ID >= 70000) {
-            $unserialized = unserialize($serialized, array('allowed_classes' => false));
-        } else {
-            $unserialized = unserialize($serialized);
-        }
+        $unserialized = unserialize($serialized, array('allowed_classes' => false));
 
         $this->prefix = $unserialized['prefix'];
         $this->variables = $unserialized['variables'];
diff --git a/src/Symfony/Component/HttpKernel/ControllerMetadata/ArgumentMetadataFactory.php b/src/Symfony/Component/HttpKernel/ControllerMetadata/ArgumentMetadataFactory.php
index d1e7af206804b..a86a5675e3321 100644
--- a/src/Symfony/Component/HttpKernel/ControllerMetadata/ArgumentMetadataFactory.php
+++ b/src/Symfony/Component/HttpKernel/ControllerMetadata/ArgumentMetadataFactory.php
@@ -18,30 +18,6 @@
  */
 final class ArgumentMetadataFactory implements ArgumentMetadataFactoryInterface
 {
-    /**
-     * If the ...$arg functionality is available.
-     *
-     * Requires at least PHP 5.6.0 or HHVM 3.9.1
-     *
-     * @var bool
-     */
-    private $supportsVariadic;
-
-    /**
-     * If the reflection supports the getType() method to resolve types.
-     *
-     * Requires at least PHP 7.0.0 or HHVM 3.11.0
-     *
-     * @var bool
-     */
-    private $supportsParameterType;
-
-    public function __construct()
-    {
-        $this->supportsVariadic = method_exists('ReflectionParameter', 'isVariadic');
-        $this->supportsParameterType = method_exists('ReflectionParameter', 'getType');
-    }
-
     /**
      * {@inheritdoc}
      */
@@ -73,7 +49,7 @@ public function createArgumentMetadata($controller)
      */
     private function isVariadic(\ReflectionParameter $parameter)
     {
-        return $this->supportsVariadic && $parameter->isVariadic();
+        return $parameter->isVariadic();
     }
 
     /**
@@ -109,21 +85,15 @@ private function getDefaultValue(\ReflectionParameter $parameter)
      */
     private function getType(\ReflectionParameter $parameter)
     {
-        if ($this->supportsParameterType) {
-            if (!$type = $parameter->getType()) {
-                return;
-            }
-            $typeName = $type instanceof \ReflectionNamedType ? $type->getName() : $type->__toString();
-            if ('array' === $typeName && !$type->isBuiltin()) {
-                // Special case for HHVM with variadics
-                return;
-            }
-
-            return $typeName;
+        if (!$type = $parameter->getType()) {
+            return;
         }
-
-        if (preg_match('/^(?:[^ ]++ ){4}([a-zA-Z_\x7F-\xFF][^ ]++)/', $parameter, $info)) {
-            return $info[1];
+        $typeName = $type instanceof \ReflectionNamedType ? $type->getName() : $type->__toString();
+        if ('array' === $typeName && !$type->isBuiltin()) {
+            // Special case for HHVM with variadics
+            return;
         }
+
+        return $typeName;
     }
 }
diff --git a/src/Symfony/Component/HttpKernel/Debug/FileLinkFormatter.php b/src/Symfony/Component/HttpKernel/Debug/FileLinkFormatter.php
index 9eefba210a41b..6f70f0d5072b0 100644
--- a/src/Symfony/Component/HttpKernel/Debug/FileLinkFormatter.php
+++ b/src/Symfony/Component/HttpKernel/Debug/FileLinkFormatter.php
@@ -63,11 +63,7 @@ public function serialize()
 
     public function unserialize($serialized)
     {
-        if (PHP_VERSION_ID >= 70000) {
-            $this->fileLinkFormat = unserialize($serialized, array('allowed_classes' => false));
-        } else {
-            $this->fileLinkFormat = unserialize($serialized);
-        }
+        $this->fileLinkFormat = unserialize($serialized, array('allowed_classes' => false));
     }
 
     private function getFileLinkFormat()
diff --git a/src/Symfony/Component/HttpKernel/Kernel.php b/src/Symfony/Component/HttpKernel/Kernel.php
index 69b27194ddb48..2c6e3250f7935 100644
--- a/src/Symfony/Component/HttpKernel/Kernel.php
+++ b/src/Symfony/Component/HttpKernel/Kernel.php
@@ -766,11 +766,9 @@ public static function stripComments($source)
 
         $output .= $rawChunk;
 
-        if (PHP_VERSION_ID >= 70000) {
-            // PHP 7 memory manager will not release after token_get_all(), see https://bugs.php.net/70098
-            unset($tokens, $rawChunk);
-            gc_mem_caches();
-        }
+        // PHP 7 memory manager will not release after token_get_all(), see https://bugs.php.net/70098
+        unset($tokens, $rawChunk);
+        gc_mem_caches();
 
         return $output;
     }
diff --git a/src/Symfony/Component/HttpKernel/Tests/Controller/ArgumentResolverTest.php b/src/Symfony/Component/HttpKernel/Tests/Controller/ArgumentResolverTest.php
index 0804139030128..6a5926f85c7e3 100644
--- a/src/Symfony/Component/HttpKernel/Tests/Controller/ArgumentResolverTest.php
+++ b/src/Symfony/Component/HttpKernel/Tests/Controller/ArgumentResolverTest.php
@@ -152,9 +152,6 @@ public function testGetArgumentsInjectsExtendingRequest()
         $this->assertEquals(array($request), self::$resolver->getArguments($request, $controller), '->getArguments() injects the request when extended');
     }
 
-    /**
-     * @requires PHP 5.6
-     */
     public function testGetVariadicArguments()
     {
         $request = Request::create('/');
@@ -166,7 +163,6 @@ public function testGetVariadicArguments()
     }
 
     /**
-     * @requires PHP 5.6
      * @expectedException \InvalidArgumentException
      */
     public function testGetVariadicArgumentsWithoutArrayInRequest()
@@ -180,7 +176,6 @@ public function testGetVariadicArgumentsWithoutArrayInRequest()
     }
 
     /**
-     * @requires PHP 5.6
      * @expectedException \InvalidArgumentException
      */
     public function testGetArgumentWithoutArray()
@@ -210,9 +205,6 @@ public function testIfExceptionIsThrownWhenMissingAnArgument()
         self::$resolver->getArguments($request, $controller);
     }
 
-    /**
-     * @requires PHP 7.1
-     */
     public function testGetNullableArguments()
     {
         $request = Request::create('/');
@@ -224,9 +216,6 @@ public function testGetNullableArguments()
         $this->assertEquals(array('foo', new \stdClass(), 'value', 'mandatory'), self::$resolver->getArguments($request, $controller));
     }
 
-    /**
-     * @requires PHP 7.1
-     */
     public function testGetNullableArgumentsWithDefaults()
     {
         $request = Request::create('/');
diff --git a/src/Symfony/Component/HttpKernel/Tests/ControllerMetadata/ArgumentMetadataFactoryTest.php b/src/Symfony/Component/HttpKernel/Tests/ControllerMetadata/ArgumentMetadataFactoryTest.php
index b4b449f358611..2ddc6e7a5ee10 100644
--- a/src/Symfony/Component/HttpKernel/Tests/ControllerMetadata/ArgumentMetadataFactoryTest.php
+++ b/src/Symfony/Component/HttpKernel/Tests/ControllerMetadata/ArgumentMetadataFactoryTest.php
@@ -84,9 +84,6 @@ public function testSignature5()
         ), $arguments);
     }
 
-    /**
-     * @requires PHP 5.6
-     */
     public function testVariadicSignature()
     {
         $arguments = $this->factory->createArgumentMetadata(array(new VariadicController(), 'action'));
@@ -97,9 +94,6 @@ public function testVariadicSignature()
         ), $arguments);
     }
 
-    /**
-     * @requires PHP 7.0
-     */
     public function testBasicTypesSignature()
     {
         $arguments = $this->factory->createArgumentMetadata(array(new BasicTypesController(), 'action'));
@@ -111,9 +105,6 @@ public function testBasicTypesSignature()
         ), $arguments);
     }
 
-    /**
-     * @requires PHP 7.1
-     */
     public function testNullableTypesSignature()
     {
         $arguments = $this->factory->createArgumentMetadata(array(new NullableController(), 'action'));
diff --git a/src/Symfony/Component/Intl/Tests/DateFormatter/AbstractIntlDateFormatterTest.php b/src/Symfony/Component/Intl/Tests/DateFormatter/AbstractIntlDateFormatterTest.php
index 35a377da2e899..9c5cd9fdd11c0 100644
--- a/src/Symfony/Component/Intl/Tests/DateFormatter/AbstractIntlDateFormatterTest.php
+++ b/src/Symfony/Component/Intl/Tests/DateFormatter/AbstractIntlDateFormatterTest.php
@@ -243,9 +243,6 @@ public function formatProvider()
         return $formatData;
     }
 
-    /**
-     * @requires PHP 5.5.10
-     */
     public function testFormatUtcAndGmtAreSplit()
     {
         $pattern = "yyyy.MM.dd 'at' HH:mm:ss zzz";
@@ -318,7 +315,6 @@ public function formatWithTimezoneProvider()
 
     /**
      * @dataProvider formatTimezoneProvider
-     * @requires PHP 5.5
      */
     public function testFormatTimezone($pattern, $timezone, $expected)
     {
@@ -432,8 +428,8 @@ public function testFormatWithDateTimeZoneGmt()
 
     public function testFormatWithDateTimeZoneGmtOffset()
     {
-        if (defined('HHVM_VERSION_ID') || PHP_VERSION_ID <= 50509) {
-            $this->markTestSkipped('DateTimeZone GMT offsets are supported since 5.5.10. See https://github.com/facebook/hhvm/issues/5875 for HHVM.');
+        if (defined('HHVM_VERSION_ID')) {
+            $this->markTestSkipped('See https://github.com/facebook/hhvm/issues/5875');
         }
 
         $formatter = $this->getDateFormatter('en', IntlDateFormatter::MEDIUM, IntlDateFormatter::SHORT, new \DateTimeZone('GMT+03:00'), IntlDateFormatter::GREGORIAN, 'zzzz');
diff --git a/src/Symfony/Component/PropertyAccess/PropertyAccessor.php b/src/Symfony/Component/PropertyAccess/PropertyAccessor.php
index 6019544a19e8c..975824b5057e0 100644
--- a/src/Symfony/Component/PropertyAccess/PropertyAccessor.php
+++ b/src/Symfony/Component/PropertyAccess/PropertyAccessor.php
@@ -195,10 +195,6 @@ public function setValue(&$objectOrArray, $propertyPath, $value)
         $overwrite = true;
 
         try {
-            if (PHP_VERSION_ID < 70000 && false === self::$previousErrorHandler) {
-                self::$previousErrorHandler = set_error_handler(self::$errorHandler);
-            }
-
             for ($i = count($propertyValues) - 1; 0 <= $i; --$i) {
                 $zval = $propertyValues[$i];
                 unset($propertyValues[$i]);
diff --git a/src/Symfony/Component/PropertyInfo/Tests/Extractors/ReflectionExtractorTest.php b/src/Symfony/Component/PropertyInfo/Tests/Extractors/ReflectionExtractorTest.php
index 573528c012f55..4a2cf3fc836e2 100644
--- a/src/Symfony/Component/PropertyInfo/Tests/Extractors/ReflectionExtractorTest.php
+++ b/src/Symfony/Component/PropertyInfo/Tests/Extractors/ReflectionExtractorTest.php
@@ -85,7 +85,6 @@ public function typesProvider()
 
     /**
      * @dataProvider php7TypesProvider
-     * @requires PHP 7.0
      */
     public function testExtractPhp7Type($property, array $type = null)
     {
@@ -104,7 +103,6 @@ public function php7TypesProvider()
 
     /**
      * @dataProvider php71TypesProvider
-     * @requires PHP 7.1
      */
     public function testExtractPhp71Type($property, array $type = null)
     {
diff --git a/src/Symfony/Component/Routing/CompiledRoute.php b/src/Symfony/Component/Routing/CompiledRoute.php
index a3cbdd056f37c..4805bdaee1c1b 100644
--- a/src/Symfony/Component/Routing/CompiledRoute.php
+++ b/src/Symfony/Component/Routing/CompiledRoute.php
@@ -73,11 +73,7 @@ public function serialize()
      */
     public function unserialize($serialized)
     {
-        if (PHP_VERSION_ID >= 70000) {
-            $data = unserialize($serialized, array('allowed_classes' => false));
-        } else {
-            $data = unserialize($serialized);
-        }
+        $data = unserialize($serialized, array('allowed_classes' => false));
 
         $this->variables = $data['vars'];
         $this->staticPrefix = $data['path_prefix'];
diff --git a/src/Symfony/Component/Routing/Loader/AnnotationFileLoader.php b/src/Symfony/Component/Routing/Loader/AnnotationFileLoader.php
index 4dc41e16cd392..b5e02e23b329c 100644
--- a/src/Symfony/Component/Routing/Loader/AnnotationFileLoader.php
+++ b/src/Symfony/Component/Routing/Loader/AnnotationFileLoader.php
@@ -64,10 +64,9 @@ public function load($file, $type = null)
             $collection->addResource(new FileResource($path));
             $collection->addCollection($this->loader->load($class, $type));
         }
-        if (PHP_VERSION_ID >= 70000) {
-            // PHP 7 memory manager will not release after token_get_all(), see https://bugs.php.net/70098
-            gc_mem_caches();
-        }
+
+        // PHP 7 memory manager will not release after token_get_all(), see https://bugs.php.net/70098
+        gc_mem_caches();
 
         return $collection;
     }
diff --git a/src/Symfony/Component/Routing/Route.php b/src/Symfony/Component/Routing/Route.php
index 137d97548d20d..6d1b1fbec9f8f 100644
--- a/src/Symfony/Component/Routing/Route.php
+++ b/src/Symfony/Component/Routing/Route.php
@@ -116,11 +116,7 @@ public function serialize()
      */
     public function unserialize($serialized)
     {
-        if (PHP_VERSION_ID >= 70000) {
-            $data = unserialize($serialized, array('allowed_classes' => array(CompiledRoute::class)));
-        } else {
-            $data = unserialize($serialized);
-        }
+        $data = unserialize($serialized, array('allowed_classes' => array(CompiledRoute::class)));
         $this->path = $data['path'];
         $this->host = $data['host'];
         $this->defaults = $data['defaults'];
diff --git a/src/Symfony/Component/Routing/Tests/Loader/AnnotationFileLoaderTest.php b/src/Symfony/Component/Routing/Tests/Loader/AnnotationFileLoaderTest.php
index 5d54f9f99f665..2ec3cc6fc9956 100644
--- a/src/Symfony/Component/Routing/Tests/Loader/AnnotationFileLoaderTest.php
+++ b/src/Symfony/Component/Routing/Tests/Loader/AnnotationFileLoaderTest.php
@@ -35,9 +35,6 @@ public function testLoad()
         $this->loader->load(__DIR__.'/../Fixtures/AnnotatedClasses/FooClass.php');
     }
 
-    /**
-     * @requires PHP 5.4
-     */
     public function testLoadTraitWithClassConstant()
     {
         $this->reader->expects($this->never())->method('getClassAnnotation');
@@ -54,9 +51,6 @@ public function testLoadFileWithoutStartTag()
         $this->loader->load(__DIR__.'/../Fixtures/OtherAnnotatedClasses/NoStartTagClass.php');
     }
 
-    /**
-     * @requires PHP 5.6
-     */
     public function testLoadVariadic()
     {
         $route = new Route(array('path' => '/path/to/{id}'));
diff --git a/src/Symfony/Component/Serializer/Encoder/JsonDecode.php b/src/Symfony/Component/Serializer/Encoder/JsonDecode.php
index e9ca7ce570e59..46a1e006fbd4c 100644
--- a/src/Symfony/Component/Serializer/Encoder/JsonDecode.php
+++ b/src/Symfony/Component/Serializer/Encoder/JsonDecode.php
@@ -69,7 +69,7 @@ public function __construct($associative = false, $depth = 512)
      *      If not specified, this method will use the default set in JsonDecode::__construct
      *
      * json_decode_options: integer
-     *      Specifies additional options as per documentation for json_decode. Only supported with PHP 5.4.0 and higher
+     *      Specifies additional options as per documentation for json_decode.
      *
      * @return mixed
      *
diff --git a/src/Symfony/Component/Serializer/Tests/Normalizer/GetSetMethodNormalizerTest.php b/src/Symfony/Component/Serializer/Tests/Normalizer/GetSetMethodNormalizerTest.php
index ee0a159f06f8a..8961e9fc99021 100644
--- a/src/Symfony/Component/Serializer/Tests/Normalizer/GetSetMethodNormalizerTest.php
+++ b/src/Symfony/Component/Serializer/Tests/Normalizer/GetSetMethodNormalizerTest.php
@@ -146,9 +146,6 @@ public function testConstructorDenormalizeWithOptionalDefaultArgument()
         $this->assertEquals('test', $obj->getBar());
     }
 
-    /**
-     * @requires PHP 5.6
-     */
     public function testConstructorDenormalizeWithVariadicArgument()
     {
         $obj = $this->normalizer->denormalize(
@@ -157,9 +154,6 @@ public function testConstructorDenormalizeWithVariadicArgument()
         $this->assertEquals(array(1, 2, 3), $obj->getFoo());
     }
 
-    /**
-     * @requires PHP 5.6
-     */
     public function testConstructorDenormalizeWithMissingVariadicArgument()
     {
         $obj = $this->normalizer->denormalize(
diff --git a/src/Symfony/Component/Translation/Dumper/JsonFileDumper.php b/src/Symfony/Component/Translation/Dumper/JsonFileDumper.php
index 08b538e1fec83..32bdaf5181199 100644
--- a/src/Symfony/Component/Translation/Dumper/JsonFileDumper.php
+++ b/src/Symfony/Component/Translation/Dumper/JsonFileDumper.php
@@ -28,7 +28,7 @@ public function formatCatalogue(MessageCatalogue $messages, $domain, array $opti
         if (isset($options['json_encoding'])) {
             $flags = $options['json_encoding'];
         } else {
-            $flags = defined('JSON_PRETTY_PRINT') ? JSON_PRETTY_PRINT : 0;
+            $flags = JSON_PRETTY_PRINT;
         }
 
         return json_encode($messages->all($domain), $flags);
diff --git a/src/Symfony/Component/VarDumper/Caster/ArgsStub.php b/src/Symfony/Component/VarDumper/Caster/ArgsStub.php
index 6675caa0478b9..270e18961f746 100644
--- a/src/Symfony/Component/VarDumper/Caster/ArgsStub.php
+++ b/src/Symfony/Component/VarDumper/Caster/ArgsStub.php
@@ -68,7 +68,7 @@ private static function getParameters($function, $class)
             if ($v->isPassedByReference()) {
                 $k = '&'.$k;
             }
-            if (method_exists($v, 'isVariadic') && $v->isVariadic()) {
+            if ($v->isVariadic()) {
                 $variadic .= $k;
             } else {
                 $params[] = $k;
diff --git a/src/Symfony/Component/VarDumper/Caster/ReflectionCaster.php b/src/Symfony/Component/VarDumper/Caster/ReflectionCaster.php
index 9811eab5e7e48..a436f3b1842fc 100644
--- a/src/Symfony/Component/VarDumper/Caster/ReflectionCaster.php
+++ b/src/Symfony/Component/VarDumper/Caster/ReflectionCaster.php
@@ -186,7 +186,7 @@ public static function castFunctionAbstract(\ReflectionFunctionAbstract $c, arra
 
         foreach ($c->getParameters() as $v) {
             $k = '$'.$v->name;
-            if (method_exists($v, 'isVariadic') && $v->isVariadic()) {
+            if ($v->isVariadic()) {
                 $k = '...'.$k;
             }
             if ($v->isPassedByReference()) {
@@ -241,12 +241,8 @@ public static function castParameter(\ReflectionParameter $c, array $a, Stub $st
             'allowsNull' => 'allowsNull',
         ));
 
-        if (method_exists($c, 'getType')) {
-            if ($v = $c->getType()) {
-                $a[$prefix.'typeHint'] = $v instanceof \ReflectionNamedType ? $v->getName() : $v->__toString();
-            }
-        } elseif (preg_match('/^(?:[^ ]++ ){4}([a-zA-Z_\x7F-\xFF][^ ]++)/', $c, $v)) {
-            $a[$prefix.'typeHint'] = $v[1];
+        if ($v = $c->getType()) {
+            $a[$prefix.'typeHint'] = $v instanceof \ReflectionNamedType ? $v->getName() : $v->__toString();
         }
 
         if (isset($a[$prefix.'typeHint'])) {
@@ -258,17 +254,13 @@ public static function castParameter(\ReflectionParameter $c, array $a, Stub $st
 
         try {
             $a[$prefix.'default'] = $v = $c->getDefaultValue();
-            if (method_exists($c, 'isDefaultValueConstant') && $c->isDefaultValueConstant()) {
+            if ($c->isDefaultValueConstant()) {
                 $a[$prefix.'default'] = new ConstStub($c->getDefaultValueConstantName(), $v);
             }
             if (null === $v) {
                 unset($a[$prefix.'allowsNull']);
             }
         } catch (\ReflectionException $e) {
-            if (isset($a[$prefix.'typeHint']) && $c->allowsNull() && !class_exists('ReflectionNamedType', false)) {
-                $a[$prefix.'default'] = null;
-                unset($a[$prefix.'allowsNull']);
-            }
         }
 
         return $a;
diff --git a/src/Symfony/Component/VarDumper/Tests/Caster/CasterTest.php b/src/Symfony/Component/VarDumper/Tests/Caster/CasterTest.php
index 105d5638ee1bc..1dacce59bc180 100644
--- a/src/Symfony/Component/VarDumper/Tests/Caster/CasterTest.php
+++ b/src/Symfony/Component/VarDumper/Tests/Caster/CasterTest.php
@@ -151,9 +151,6 @@ public function provideFilter()
         );
     }
 
-    /**
-     * @requires PHP 7.0
-     */
     public function testAnonymousClass()
     {
         $c = eval('return new class extends stdClass { private $foo = "foo"; };');
diff --git a/src/Symfony/Component/VarDumper/Tests/Caster/ReflectionCasterTest.php b/src/Symfony/Component/VarDumper/Tests/Caster/ReflectionCasterTest.php
index 5495a78e40f34..4eada28c01da4 100644
--- a/src/Symfony/Component/VarDumper/Tests/Caster/ReflectionCasterTest.php
+++ b/src/Symfony/Component/VarDumper/Tests/Caster/ReflectionCasterTest.php
@@ -101,9 +101,6 @@ public function testReflectionParameter()
         );
     }
 
-    /**
-     * @requires PHP 7.0
-     */
     public function testReflectionParameterScalar()
     {
         $f = eval('return function (int $a) {};');
@@ -121,9 +118,6 @@ public function testReflectionParameterScalar()
         );
     }
 
-    /**
-     * @requires PHP 7.0
-     */
     public function testReturnType()
     {
         $f = eval('return function ():int {};');
@@ -143,9 +137,6 @@ class: "Symfony\Component\VarDumper\Tests\Caster\ReflectionCasterTest"
         );
     }
 
-    /**
-     * @requires PHP 7.0
-     */
     public function testGenerator()
     {
         if (extension_loaded('xdebug')) {
diff --git a/src/Symfony/Component/VarDumper/Tests/Dumper/CliDumperTest.php b/src/Symfony/Component/VarDumper/Tests/Dumper/CliDumperTest.php
index 41785d4b563c6..c2291c6949668 100644
--- a/src/Symfony/Component/VarDumper/Tests/Dumper/CliDumperTest.php
+++ b/src/Symfony/Component/VarDumper/Tests/Dumper/CliDumperTest.php
@@ -401,7 +401,6 @@ public function testRefsInProperties()
     /**
      * @runInSeparateProcess
      * @preserveGlobalState disabled
-     * @requires PHP 5.6
      */
     public function testSpecialVars56()
     {
@@ -460,47 +459,6 @@ public function testGlobals()
   2 => &1 array:1 [&1]
 ]
 
-EOTXT
-            ,
-            $out
-        );
-    }
-
-    /**
-     * @runInSeparateProcess
-     * @preserveGlobalState disabled
-     */
-    public function testBuggyRefs()
-    {
-        if (PHP_VERSION_ID >= 50600) {
-            $this->markTestSkipped('PHP 5.6 fixed refs counting');
-        }
-
-        $var = $this->getSpecialVars();
-        $var = $var[0];
-
-        $dumper = new CliDumper();
-        $dumper->setColors(false);
-        $cloner = new VarCloner();
-
-        $data = $cloner->cloneVar($var)->withMaxDepth(3);
-        $out = '';
-        $dumper->dump($data, function ($line, $depth) use (&$out) {
-            if ($depth >= 0) {
-                $out .= str_repeat('  ', $depth).$line."\n";
-            }
-        });
-
-        $this->assertSame(
-            <<<'EOTXT'
-array:1 [
-  0 => array:1 [
-    0 => array:1 [
-      0 => array:1 [ …1]
-    ]
-  ]
-]
-
 EOTXT
             ,
             $out
diff --git a/src/Symfony/Component/Yaml/Tests/InlineTest.php b/src/Symfony/Component/Yaml/Tests/InlineTest.php
index a26ffbf9e44c6..5e46fb99bdae0 100644
--- a/src/Symfony/Component/Yaml/Tests/InlineTest.php
+++ b/src/Symfony/Component/Yaml/Tests/InlineTest.php
@@ -570,12 +570,7 @@ public function testParseTimestampAsDateTimeObject($yaml, $year, $month, $day, $
         $expected = new \DateTime($yaml);
         $expected->setTimeZone(new \DateTimeZone('UTC'));
         $expected->setDate($year, $month, $day);
-
-        if (PHP_VERSION_ID >= 70100) {
-            $expected->setTime($hour, $minute, $second, 1000000 * ($second - (int) $second));
-        } else {
-            $expected->setTime($hour, $minute, $second);
-        }
+        $expected->setTime($hour, $minute, $second, 1000000 * ($second - (int) $second));
 
         $date = Inline::parse($yaml, Yaml::PARSE_DATETIME);
         $this->assertEquals($expected, $date);