diff vendor/symfony/var-dumper/Cloner/AbstractCloner.php @ 4:a9cd425dd02b

Update, including to Drupal core 8.6.10

--- a/vendor/symfony/var-dumper/Cloner/AbstractCloner.php	Thu Feb 28 11:14:44 2019 +0000
+++ b/vendor/symfony/var-dumper/Cloner/AbstractCloner.php	Thu Feb 28 13:11:55 2019 +0000
@@ -21,124 +21,124 @@
  */
 abstract class AbstractCloner implements ClonerInterface
 {
-    public static $defaultCasters = array(
-        '__PHP_Incomplete_Class' => array('Symfony\Component\VarDumper\Caster\Caster', 'castPhpIncompleteClass'),
+    public static $defaultCasters = [
+        '__PHP_Incomplete_Class' => ['Symfony\Component\VarDumper\Caster\Caster', 'castPhpIncompleteClass'],
 
-        'Symfony\Component\VarDumper\Caster\CutStub' => array('Symfony\Component\VarDumper\Caster\StubCaster', 'castStub'),
-        'Symfony\Component\VarDumper\Caster\CutArrayStub' => array('Symfony\Component\VarDumper\Caster\StubCaster', 'castCutArray'),
-        'Symfony\Component\VarDumper\Caster\ConstStub' => array('Symfony\Component\VarDumper\Caster\StubCaster', 'castStub'),
-        'Symfony\Component\VarDumper\Caster\EnumStub' => array('Symfony\Component\VarDumper\Caster\StubCaster', 'castEnum'),
+        'Symfony\Component\VarDumper\Caster\CutStub' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'castStub'],
+        'Symfony\Component\VarDumper\Caster\CutArrayStub' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'castCutArray'],
+        'Symfony\Component\VarDumper\Caster\ConstStub' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'castStub'],
+        'Symfony\Component\VarDumper\Caster\EnumStub' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'castEnum'],
 
-        'Closure' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castClosure'),
-        'Generator' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castGenerator'),
-        'ReflectionType' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castType'),
-        'ReflectionGenerator' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castReflectionGenerator'),
-        'ReflectionClass' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castClass'),
-        'ReflectionFunctionAbstract' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castFunctionAbstract'),
-        'ReflectionMethod' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castMethod'),
-        'ReflectionParameter' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castParameter'),
-        'ReflectionProperty' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castProperty'),
-        'ReflectionExtension' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castExtension'),
-        'ReflectionZendExtension' => array('Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castZendExtension'),
+        'Closure' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castClosure'],
+        'Generator' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castGenerator'],
+        'ReflectionType' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castType'],
+        'ReflectionGenerator' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castReflectionGenerator'],
+        'ReflectionClass' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castClass'],
+        'ReflectionFunctionAbstract' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castFunctionAbstract'],
+        'ReflectionMethod' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castMethod'],
+        'ReflectionParameter' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castParameter'],
+        'ReflectionProperty' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castProperty'],
+        'ReflectionExtension' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castExtension'],
+        'ReflectionZendExtension' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castZendExtension'],
 
-        'Doctrine\Common\Persistence\ObjectManager' => array('Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'),
-        'Doctrine\Common\Proxy\Proxy' => array('Symfony\Component\VarDumper\Caster\DoctrineCaster', 'castCommonProxy'),
-        'Doctrine\ORM\Proxy\Proxy' => array('Symfony\Component\VarDumper\Caster\DoctrineCaster', 'castOrmProxy'),
-        'Doctrine\ORM\PersistentCollection' => array('Symfony\Component\VarDumper\Caster\DoctrineCaster', 'castPersistentCollection'),
+        'Doctrine\Common\Persistence\ObjectManager' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'],
+        'Doctrine\Common\Proxy\Proxy' => ['Symfony\Component\VarDumper\Caster\DoctrineCaster', 'castCommonProxy'],
+        'Doctrine\ORM\Proxy\Proxy' => ['Symfony\Component\VarDumper\Caster\DoctrineCaster', 'castOrmProxy'],
+        'Doctrine\ORM\PersistentCollection' => ['Symfony\Component\VarDumper\Caster\DoctrineCaster', 'castPersistentCollection'],
 
-        'DOMException' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castException'),
-        'DOMStringList' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'),
-        'DOMNameList' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'),
-        'DOMImplementation' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castImplementation'),
-        'DOMImplementationList' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'),
-        'DOMNode' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castNode'),
-        'DOMNameSpaceNode' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castNameSpaceNode'),
-        'DOMDocument' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castDocument'),
-        'DOMNodeList' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'),
-        'DOMNamedNodeMap' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'),
-        'DOMCharacterData' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castCharacterData'),
-        'DOMAttr' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castAttr'),
-        'DOMElement' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castElement'),
-        'DOMText' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castText'),
-        'DOMTypeinfo' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castTypeinfo'),
-        'DOMDomError' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castDomError'),
-        'DOMLocator' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castLocator'),
-        'DOMDocumentType' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castDocumentType'),
-        'DOMNotation' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castNotation'),
-        'DOMEntity' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castEntity'),
-        'DOMProcessingInstruction' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castProcessingInstruction'),
-        'DOMXPath' => array('Symfony\Component\VarDumper\Caster\DOMCaster', 'castXPath'),
+        'DOMException' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castException'],
+        'DOMStringList' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'],
+        'DOMNameList' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'],
+        'DOMImplementation' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castImplementation'],
+        'DOMImplementationList' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'],
+        'DOMNode' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castNode'],
+        'DOMNameSpaceNode' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castNameSpaceNode'],
+        'DOMDocument' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castDocument'],
+        'DOMNodeList' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'],
+        'DOMNamedNodeMap' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'],
+        'DOMCharacterData' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castCharacterData'],
+        'DOMAttr' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castAttr'],
+        'DOMElement' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castElement'],
+        'DOMText' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castText'],
+        'DOMTypeinfo' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castTypeinfo'],
+        'DOMDomError' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castDomError'],
+        'DOMLocator' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castLocator'],
+        'DOMDocumentType' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castDocumentType'],
+        'DOMNotation' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castNotation'],
+        'DOMEntity' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castEntity'],
+        'DOMProcessingInstruction' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castProcessingInstruction'],
+        'DOMXPath' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castXPath'],
 
-        'XmlReader' => array('Symfony\Component\VarDumper\Caster\XmlReaderCaster', 'castXmlReader'),
+        'XmlReader' => ['Symfony\Component\VarDumper\Caster\XmlReaderCaster', 'castXmlReader'],
 
-        'ErrorException' => array('Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castErrorException'),
-        'Exception' => array('Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castException'),
-        'Error' => array('Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castError'),
-        'Symfony\Component\DependencyInjection\ContainerInterface' => array('Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'),
-        'Symfony\Component\HttpFoundation\Request' => array('Symfony\Component\VarDumper\Caster\SymfonyCaster', 'castRequest'),
-        'Symfony\Component\VarDumper\Exception\ThrowingCasterException' => array('Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castThrowingCasterException'),
-        'Symfony\Component\VarDumper\Caster\TraceStub' => array('Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castTraceStub'),
-        'Symfony\Component\VarDumper\Caster\FrameStub' => array('Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castFrameStub'),
-        'Symfony\Component\Debug\Exception\SilencedErrorContext' => array('Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castSilencedErrorContext'),
+        'ErrorException' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castErrorException'],
+        'Exception' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castException'],
+        'Error' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castError'],
+        'Symfony\Component\DependencyInjection\ContainerInterface' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'],
+        'Symfony\Component\HttpFoundation\Request' => ['Symfony\Component\VarDumper\Caster\SymfonyCaster', 'castRequest'],
+        'Symfony\Component\VarDumper\Exception\ThrowingCasterException' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castThrowingCasterException'],
+        'Symfony\Component\VarDumper\Caster\TraceStub' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castTraceStub'],
+        'Symfony\Component\VarDumper\Caster\FrameStub' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castFrameStub'],
+        'Symfony\Component\Debug\Exception\SilencedErrorContext' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castSilencedErrorContext'],
 
-        'PHPUnit_Framework_MockObject_MockObject' => array('Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'),
-        'Prophecy\Prophecy\ProphecySubjectInterface' => array('Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'),
-        'Mockery\MockInterface' => array('Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'),
+        'PHPUnit_Framework_MockObject_MockObject' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'],
+        'Prophecy\Prophecy\ProphecySubjectInterface' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'],
+        'Mockery\MockInterface' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'],
 
-        'PDO' => array('Symfony\Component\VarDumper\Caster\PdoCaster', 'castPdo'),
-        'PDOStatement' => array('Symfony\Component\VarDumper\Caster\PdoCaster', 'castPdoStatement'),
+        'PDO' => ['Symfony\Component\VarDumper\Caster\PdoCaster', 'castPdo'],
+        'PDOStatement' => ['Symfony\Component\VarDumper\Caster\PdoCaster', 'castPdoStatement'],
 
-        'AMQPConnection' => array('Symfony\Component\VarDumper\Caster\AmqpCaster', 'castConnection'),
-        'AMQPChannel' => array('Symfony\Component\VarDumper\Caster\AmqpCaster', 'castChannel'),
-        'AMQPQueue' => array('Symfony\Component\VarDumper\Caster\AmqpCaster', 'castQueue'),
-        'AMQPExchange' => array('Symfony\Component\VarDumper\Caster\AmqpCaster', 'castExchange'),
-        'AMQPEnvelope' => array('Symfony\Component\VarDumper\Caster\AmqpCaster', 'castEnvelope'),
+        'AMQPConnection' => ['Symfony\Component\VarDumper\Caster\AmqpCaster', 'castConnection'],
+        'AMQPChannel' => ['Symfony\Component\VarDumper\Caster\AmqpCaster', 'castChannel'],
+        'AMQPQueue' => ['Symfony\Component\VarDumper\Caster\AmqpCaster', 'castQueue'],
+        'AMQPExchange' => ['Symfony\Component\VarDumper\Caster\AmqpCaster', 'castExchange'],
+        'AMQPEnvelope' => ['Symfony\Component\VarDumper\Caster\AmqpCaster', 'castEnvelope'],
 
-        'ArrayObject' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castArrayObject'),
-        'ArrayIterator' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castArrayIterator'),
-        'SplDoublyLinkedList' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castDoublyLinkedList'),
-        'SplFileInfo' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castFileInfo'),
-        'SplFileObject' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castFileObject'),
-        'SplFixedArray' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castFixedArray'),
-        'SplHeap' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castHeap'),
-        'SplObjectStorage' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castObjectStorage'),
-        'SplPriorityQueue' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castHeap'),
-        'OuterIterator' => array('Symfony\Component\VarDumper\Caster\SplCaster', 'castOuterIterator'),
+        'ArrayObject' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castArrayObject'],
+        'ArrayIterator' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castArrayIterator'],
+        'SplDoublyLinkedList' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castDoublyLinkedList'],
+        'SplFileInfo' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castFileInfo'],
+        'SplFileObject' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castFileObject'],
+        'SplFixedArray' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castFixedArray'],
+        'SplHeap' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castHeap'],
+        'SplObjectStorage' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castObjectStorage'],
+        'SplPriorityQueue' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castHeap'],
+        'OuterIterator' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castOuterIterator'],
 
-        'MongoCursorInterface' => array('Symfony\Component\VarDumper\Caster\MongoCaster', 'castCursor'),
+        'MongoCursorInterface' => ['Symfony\Component\VarDumper\Caster\MongoCaster', 'castCursor'],
 
-        'Redis' => array('Symfony\Component\VarDumper\Caster\RedisCaster', 'castRedis'),
-        'RedisArray' => array('Symfony\Component\VarDumper\Caster\RedisCaster', 'castRedisArray'),
+        'Redis' => ['Symfony\Component\VarDumper\Caster\RedisCaster', 'castRedis'],
+        'RedisArray' => ['Symfony\Component\VarDumper\Caster\RedisCaster', 'castRedisArray'],
 
-        'DateTimeInterface' => array('Symfony\Component\VarDumper\Caster\DateCaster', 'castDateTime'),
-        'DateInterval' => array('Symfony\Component\VarDumper\Caster\DateCaster', 'castInterval'),
-        'DateTimeZone' => array('Symfony\Component\VarDumper\Caster\DateCaster', 'castTimeZone'),
-        'DatePeriod' => array('Symfony\Component\VarDumper\Caster\DateCaster', 'castPeriod'),
+        'DateTimeInterface' => ['Symfony\Component\VarDumper\Caster\DateCaster', 'castDateTime'],
+        'DateInterval' => ['Symfony\Component\VarDumper\Caster\DateCaster', 'castInterval'],
+        'DateTimeZone' => ['Symfony\Component\VarDumper\Caster\DateCaster', 'castTimeZone'],
+        'DatePeriod' => ['Symfony\Component\VarDumper\Caster\DateCaster', 'castPeriod'],
 
-        ':curl' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castCurl'),
-        ':dba' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castDba'),
-        ':dba persistent' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castDba'),
-        ':gd' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castGd'),
-        ':mysql link' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castMysqlLink'),
-        ':pgsql large object' => array('Symfony\Component\VarDumper\Caster\PgSqlCaster', 'castLargeObject'),
-        ':pgsql link' => array('Symfony\Component\VarDumper\Caster\PgSqlCaster', 'castLink'),
-        ':pgsql link persistent' => array('Symfony\Component\VarDumper\Caster\PgSqlCaster', 'castLink'),
-        ':pgsql result' => array('Symfony\Component\VarDumper\Caster\PgSqlCaster', 'castResult'),
-        ':process' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castProcess'),
-        ':stream' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castStream'),
-        ':persistent stream' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castStream'),
-        ':stream-context' => array('Symfony\Component\VarDumper\Caster\ResourceCaster', 'castStreamContext'),
-        ':xml' => array('Symfony\Component\VarDumper\Caster\XmlResourceCaster', 'castXml'),
-    );
+        ':curl' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castCurl'],
+        ':dba' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castDba'],
+        ':dba persistent' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castDba'],
+        ':gd' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castGd'],
+        ':mysql link' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castMysqlLink'],
+        ':pgsql large object' => ['Symfony\Component\VarDumper\Caster\PgSqlCaster', 'castLargeObject'],
+        ':pgsql link' => ['Symfony\Component\VarDumper\Caster\PgSqlCaster', 'castLink'],
+        ':pgsql link persistent' => ['Symfony\Component\VarDumper\Caster\PgSqlCaster', 'castLink'],
+        ':pgsql result' => ['Symfony\Component\VarDumper\Caster\PgSqlCaster', 'castResult'],
+        ':process' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castProcess'],
+        ':stream' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castStream'],
+        ':persistent stream' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castStream'],
+        ':stream-context' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castStreamContext'],
+        ':xml' => ['Symfony\Component\VarDumper\Caster\XmlResourceCaster', 'castXml'],
+    ];
 
     protected $maxItems = 2500;
     protected $maxString = -1;
     protected $minDepth = 1;
     protected $useExt;
 
-    private $casters = array();
+    private $casters = [];
     private $prevErrorHandler;
-    private $classInfo = array();
+    private $classInfo = [];
     private $filter = 0;
 
     /**
@@ -152,7 +152,7 @@
             $casters = static::$defaultCasters;
         }
         $this->addCasters($casters);
-        $this->useExt = extension_loaded('symfony_debug');
+        $this->useExt = \extension_loaded('symfony_debug');
     }
 
     /**
@@ -168,7 +168,7 @@
     public function addCasters(array $casters)
     {
         foreach ($casters as $type => $callback) {
-            $this->casters[strtolower($type)][] = is_string($callback) && false !== strpos($callback, '::') ? explode('::', $callback, 2) : $callback;
+            $this->casters[strtolower($type)][] = \is_string($callback) && false !== strpos($callback, '::') ? explode('::', $callback, 2) : $callback;
         }
     }
 
@@ -213,14 +213,14 @@
      */
     public function cloneVar($var, $filter = 0)
     {
-        $this->prevErrorHandler = set_error_handler(function ($type, $msg, $file, $line, $context = array()) {
+        $this->prevErrorHandler = set_error_handler(function ($type, $msg, $file, $line, $context = []) {
             if (E_RECOVERABLE_ERROR === $type || E_USER_ERROR === $type) {
                 // Cloner never dies
                 throw new \ErrorException($msg, 0, $type, $file, $line);
             }
 
             if ($this->prevErrorHandler) {
-                return call_user_func($this->prevErrorHandler, $type, $msg, $file, $line, $context);
+                return \call_user_func($this->prevErrorHandler, $type, $msg, $file, $line, $context);
             }
 
             return false;
@@ -270,7 +270,7 @@
             list($i, $parents, $hasDebugInfo) = $this->classInfo[$class];
         } else {
             $i = 2;
-            $parents = array(strtolower($class));
+            $parents = [strtolower($class)];
             $hasDebugInfo = method_exists($class, '__debugInfo');
 
             foreach (class_parents($class) as $p) {
@@ -283,7 +283,7 @@
             }
             $parents[] = '*';
 
-            $this->classInfo[$class] = array($i, $parents, $hasDebugInfo);
+            $this->classInfo[$class] = [$i, $parents, $hasDebugInfo];
         }
 
         $a = Caster::castObject($obj, $class, $hasDebugInfo);
@@ -297,7 +297,7 @@
                 }
             }
         } catch (\Exception $e) {
-            $a = array((Stub::TYPE_OBJECT === $stub->type ? Caster::PREFIX_VIRTUAL : '').'⚠' => new ThrowingCasterException($e)) + $a;
+            $a = [(Stub::TYPE_OBJECT === $stub->type ? Caster::PREFIX_VIRTUAL : '').'⚠' => new ThrowingCasterException($e)] + $a;
         }
 
         return $a;
@@ -313,7 +313,7 @@
      */
     protected function castResource(Stub $stub, $isNested)
     {
-        $a = array();
+        $a = [];
         $res = $stub->value;
         $type = $stub->class;
 
@@ -324,7 +324,7 @@
                 }
             }
         } catch (\Exception $e) {
-            $a = array((Stub::TYPE_OBJECT === $stub->type ? Caster::PREFIX_VIRTUAL : '').'⚠' => new ThrowingCasterException($e)) + $a;
+            $a = [(Stub::TYPE_OBJECT === $stub->type ? Caster::PREFIX_VIRTUAL : '').'⚠' => new ThrowingCasterException($e)] + $a;
         }
 
         return $a;