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								vendor/symfony/var-dumper/Cloner/AbstractCloner.php
									
									
									
									
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| <?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\VarDumper\Cloner; | ||||
|  | ||||
| use Symfony\Component\VarDumper\Caster\Caster; | ||||
| use Symfony\Component\VarDumper\Exception\ThrowingCasterException; | ||||
|  | ||||
| /** | ||||
|  * AbstractCloner implements a generic caster mechanism for objects and resources. | ||||
|  * | ||||
|  * @author Nicolas Grekas <p@tchwork.com> | ||||
|  */ | ||||
| abstract class AbstractCloner implements ClonerInterface | ||||
| { | ||||
|     public static $defaultCasters = [ | ||||
|         '__PHP_Incomplete_Class' => ['Symfony\Component\VarDumper\Caster\Caster', 'castPhpIncompleteClass'], | ||||
|  | ||||
|         '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' => ['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' => ['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' => ['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' => ['Symfony\Component\VarDumper\Caster\XmlReaderCaster', 'castXmlReader'], | ||||
|  | ||||
|         'ErrorException' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castErrorException'], | ||||
|         'Exception' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castException'], | ||||
|         'Error' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castError'], | ||||
|         'Symfony\Component\DependencyInjection\ContainerInterface' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'], | ||||
|         'Symfony\Component\HttpFoundation\Request' => ['Symfony\Component\VarDumper\Caster\SymfonyCaster', 'castRequest'], | ||||
|         'Symfony\Component\VarDumper\Exception\ThrowingCasterException' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castThrowingCasterException'], | ||||
|         'Symfony\Component\VarDumper\Caster\TraceStub' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castTraceStub'], | ||||
|         'Symfony\Component\VarDumper\Caster\FrameStub' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castFrameStub'], | ||||
|         'Symfony\Component\Debug\Exception\SilencedErrorContext' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castSilencedErrorContext'], | ||||
|  | ||||
|         'ProxyManager\Proxy\ProxyInterface' => ['Symfony\Component\VarDumper\Caster\ProxyManagerCaster', 'castProxy'], | ||||
|         'PHPUnit_Framework_MockObject_MockObject' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'], | ||||
|         'Prophecy\Prophecy\ProphecySubjectInterface' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'], | ||||
|         'Mockery\MockInterface' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'], | ||||
|  | ||||
|         'PDO' => ['Symfony\Component\VarDumper\Caster\PdoCaster', 'castPdo'], | ||||
|         'PDOStatement' => ['Symfony\Component\VarDumper\Caster\PdoCaster', 'castPdoStatement'], | ||||
|  | ||||
|         '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' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castArrayObject'], | ||||
|         'ArrayIterator' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castArrayIterator'], | ||||
|         'SplDoublyLinkedList' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castDoublyLinkedList'], | ||||
|         'SplFileInfo' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castFileInfo'], | ||||
|         'SplFileObject' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castFileObject'], | ||||
|         'SplFixedArray' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castFixedArray'], | ||||
|         'SplHeap' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castHeap'], | ||||
|         'SplObjectStorage' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castObjectStorage'], | ||||
|         'SplPriorityQueue' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castHeap'], | ||||
|         'OuterIterator' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castOuterIterator'], | ||||
|  | ||||
|         'Redis' => ['Symfony\Component\VarDumper\Caster\RedisCaster', 'castRedis'], | ||||
|         'RedisArray' => ['Symfony\Component\VarDumper\Caster\RedisCaster', 'castRedisArray'], | ||||
|         'RedisCluster' => ['Symfony\Component\VarDumper\Caster\RedisCaster', 'castRedisCluster'], | ||||
|  | ||||
|         'DateTimeInterface' => ['Symfony\Component\VarDumper\Caster\DateCaster', 'castDateTime'], | ||||
|         'DateInterval' => ['Symfony\Component\VarDumper\Caster\DateCaster', 'castInterval'], | ||||
|         'DateTimeZone' => ['Symfony\Component\VarDumper\Caster\DateCaster', 'castTimeZone'], | ||||
|         'DatePeriod' => ['Symfony\Component\VarDumper\Caster\DateCaster', 'castPeriod'], | ||||
|  | ||||
|         'GMP' => ['Symfony\Component\VarDumper\Caster\GmpCaster', 'castGmp'], | ||||
|  | ||||
|         'MessageFormatter' => ['Symfony\Component\VarDumper\Caster\IntlCaster', 'castMessageFormatter'], | ||||
|         'NumberFormatter' => ['Symfony\Component\VarDumper\Caster\IntlCaster', 'castNumberFormatter'], | ||||
|         'IntlTimeZone' => ['Symfony\Component\VarDumper\Caster\IntlCaster', 'castIntlTimeZone'], | ||||
|         'IntlCalendar' => ['Symfony\Component\VarDumper\Caster\IntlCaster', 'castIntlCalendar'], | ||||
|         'IntlDateFormatter' => ['Symfony\Component\VarDumper\Caster\IntlCaster', 'castIntlDateFormatter'], | ||||
|  | ||||
|         'Memcached' => ['Symfony\Component\VarDumper\Caster\MemcachedCaster', 'castMemcached'], | ||||
|  | ||||
|         ':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; | ||||
|  | ||||
|     private $casters = []; | ||||
|     private $prevErrorHandler; | ||||
|     private $classInfo = []; | ||||
|     private $filter = 0; | ||||
|  | ||||
|     /** | ||||
|      * @param callable[]|null $casters A map of casters | ||||
|      * | ||||
|      * @see addCasters | ||||
|      */ | ||||
|     public function __construct(array $casters = null) | ||||
|     { | ||||
|         if (null === $casters) { | ||||
|             $casters = static::$defaultCasters; | ||||
|         } | ||||
|         $this->addCasters($casters); | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * Adds casters for resources and objects. | ||||
|      * | ||||
|      * Maps resources or objects types to a callback. | ||||
|      * Types are in the key, with a callable caster for value. | ||||
|      * Resource types are to be prefixed with a `:`, | ||||
|      * see e.g. static::$defaultCasters. | ||||
|      * | ||||
|      * @param callable[] $casters A map of casters | ||||
|      */ | ||||
|     public function addCasters(array $casters) | ||||
|     { | ||||
|         foreach ($casters as $type => $callback) { | ||||
|             $this->casters[strtolower($type)][] = \is_string($callback) && false !== strpos($callback, '::') ? explode('::', $callback, 2) : $callback; | ||||
|         } | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * Sets the maximum number of items to clone past the minimum depth in nested structures. | ||||
|      * | ||||
|      * @param int $maxItems | ||||
|      */ | ||||
|     public function setMaxItems($maxItems) | ||||
|     { | ||||
|         $this->maxItems = (int) $maxItems; | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * Sets the maximum cloned length for strings. | ||||
|      * | ||||
|      * @param int $maxString | ||||
|      */ | ||||
|     public function setMaxString($maxString) | ||||
|     { | ||||
|         $this->maxString = (int) $maxString; | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * Sets the minimum tree depth where we are guaranteed to clone all the items.  After this | ||||
|      * depth is reached, only setMaxItems items will be cloned. | ||||
|      * | ||||
|      * @param int $minDepth | ||||
|      */ | ||||
|     public function setMinDepth($minDepth) | ||||
|     { | ||||
|         $this->minDepth = (int) $minDepth; | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * Clones a PHP variable. | ||||
|      * | ||||
|      * @param mixed $var    Any PHP variable | ||||
|      * @param int   $filter A bit field of Caster::EXCLUDE_* constants | ||||
|      * | ||||
|      * @return Data The cloned variable represented by a Data object | ||||
|      */ | ||||
|     public function cloneVar($var, $filter = 0) | ||||
|     { | ||||
|         $this->prevErrorHandler = set_error_handler(function ($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 ($this->prevErrorHandler)($type, $msg, $file, $line, $context); | ||||
|             } | ||||
|  | ||||
|             return false; | ||||
|         }); | ||||
|         $this->filter = $filter; | ||||
|  | ||||
|         if ($gc = gc_enabled()) { | ||||
|             gc_disable(); | ||||
|         } | ||||
|         try { | ||||
|             return new Data($this->doClone($var)); | ||||
|         } finally { | ||||
|             if ($gc) { | ||||
|                 gc_enable(); | ||||
|             } | ||||
|             restore_error_handler(); | ||||
|             $this->prevErrorHandler = null; | ||||
|         } | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * Effectively clones the PHP variable. | ||||
|      * | ||||
|      * @param mixed $var Any PHP variable | ||||
|      * | ||||
|      * @return array The cloned variable represented in an array | ||||
|      */ | ||||
|     abstract protected function doClone($var); | ||||
|  | ||||
|     /** | ||||
|      * Casts an object to an array representation. | ||||
|      * | ||||
|      * @param Stub $stub     The Stub for the casted object | ||||
|      * @param bool $isNested True if the object is nested in the dumped structure | ||||
|      * | ||||
|      * @return array The object casted as array | ||||
|      */ | ||||
|     protected function castObject(Stub $stub, $isNested) | ||||
|     { | ||||
|         $obj = $stub->value; | ||||
|         $class = $stub->class; | ||||
|  | ||||
|         if (isset($class[15]) && "\0" === $class[15] && 0 === strpos($class, "class@anonymous\x00")) { | ||||
|             $stub->class = get_parent_class($class).'@anonymous'; | ||||
|         } | ||||
|         if (isset($this->classInfo[$class])) { | ||||
|             list($i, $parents, $hasDebugInfo) = $this->classInfo[$class]; | ||||
|         } else { | ||||
|             $i = 2; | ||||
|             $parents = [strtolower($class)]; | ||||
|             $hasDebugInfo = method_exists($class, '__debugInfo'); | ||||
|  | ||||
|             foreach (class_parents($class) as $p) { | ||||
|                 $parents[] = strtolower($p); | ||||
|                 ++$i; | ||||
|             } | ||||
|             foreach (class_implements($class) as $p) { | ||||
|                 $parents[] = strtolower($p); | ||||
|                 ++$i; | ||||
|             } | ||||
|             $parents[] = '*'; | ||||
|  | ||||
|             $this->classInfo[$class] = [$i, $parents, $hasDebugInfo]; | ||||
|         } | ||||
|  | ||||
|         $a = Caster::castObject($obj, $class, $hasDebugInfo); | ||||
|  | ||||
|         try { | ||||
|             while ($i--) { | ||||
|                 if (!empty($this->casters[$p = $parents[$i]])) { | ||||
|                     foreach ($this->casters[$p] as $callback) { | ||||
|                         $a = $callback($obj, $a, $stub, $isNested, $this->filter); | ||||
|                     } | ||||
|                 } | ||||
|             } | ||||
|         } catch (\Exception $e) { | ||||
|             $a = [(Stub::TYPE_OBJECT === $stub->type ? Caster::PREFIX_VIRTUAL : '').'⚠' => new ThrowingCasterException($e)] + $a; | ||||
|         } | ||||
|  | ||||
|         return $a; | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * Casts a resource to an array representation. | ||||
|      * | ||||
|      * @param Stub $stub     The Stub for the casted resource | ||||
|      * @param bool $isNested True if the object is nested in the dumped structure | ||||
|      * | ||||
|      * @return array The resource casted as array | ||||
|      */ | ||||
|     protected function castResource(Stub $stub, $isNested) | ||||
|     { | ||||
|         $a = []; | ||||
|         $res = $stub->value; | ||||
|         $type = $stub->class; | ||||
|  | ||||
|         try { | ||||
|             if (!empty($this->casters[':'.$type])) { | ||||
|                 foreach ($this->casters[':'.$type] as $callback) { | ||||
|                     $a = $callback($res, $a, $stub, $isNested, $this->filter); | ||||
|                 } | ||||
|             } | ||||
|         } catch (\Exception $e) { | ||||
|             $a = [(Stub::TYPE_OBJECT === $stub->type ? Caster::PREFIX_VIRTUAL : '').'⚠' => new ThrowingCasterException($e)] + $a; | ||||
|         } | ||||
|  | ||||
|         return $a; | ||||
|     } | ||||
| } | ||||
							
								
								
									
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								vendor/symfony/var-dumper/Cloner/ClonerInterface.php
									
									
									
									
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							| @@ -0,0 +1,27 @@ | ||||
| <?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\VarDumper\Cloner; | ||||
|  | ||||
| /** | ||||
|  * @author Nicolas Grekas <p@tchwork.com> | ||||
|  */ | ||||
| interface ClonerInterface | ||||
| { | ||||
|     /** | ||||
|      * Clones a PHP variable. | ||||
|      * | ||||
|      * @param mixed $var Any PHP variable | ||||
|      * | ||||
|      * @return Data The cloned variable represented by a Data object | ||||
|      */ | ||||
|     public function cloneVar($var); | ||||
| } | ||||
							
								
								
									
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								vendor/symfony/var-dumper/Cloner/Cursor.php
									
									
									
									
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							| @@ -0,0 +1,43 @@ | ||||
| <?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\VarDumper\Cloner; | ||||
|  | ||||
| /** | ||||
|  * Represents the current state of a dumper while dumping. | ||||
|  * | ||||
|  * @author Nicolas Grekas <p@tchwork.com> | ||||
|  */ | ||||
| class Cursor | ||||
| { | ||||
|     const HASH_INDEXED = Stub::ARRAY_INDEXED; | ||||
|     const HASH_ASSOC = Stub::ARRAY_ASSOC; | ||||
|     const HASH_OBJECT = Stub::TYPE_OBJECT; | ||||
|     const HASH_RESOURCE = Stub::TYPE_RESOURCE; | ||||
|  | ||||
|     public $depth = 0; | ||||
|     public $refIndex = 0; | ||||
|     public $softRefTo = 0; | ||||
|     public $softRefCount = 0; | ||||
|     public $softRefHandle = 0; | ||||
|     public $hardRefTo = 0; | ||||
|     public $hardRefCount = 0; | ||||
|     public $hardRefHandle = 0; | ||||
|     public $hashType; | ||||
|     public $hashKey; | ||||
|     public $hashKeyIsBinary; | ||||
|     public $hashIndex = 0; | ||||
|     public $hashLength = 0; | ||||
|     public $hashCut = 0; | ||||
|     public $stop = false; | ||||
|     public $attr = []; | ||||
|     public $skipChildren = false; | ||||
| } | ||||
							
								
								
									
										423
									
								
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							| @@ -0,0 +1,423 @@ | ||||
| <?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\VarDumper\Cloner; | ||||
|  | ||||
| use Symfony\Component\VarDumper\Caster\Caster; | ||||
|  | ||||
| /** | ||||
|  * @author Nicolas Grekas <p@tchwork.com> | ||||
|  */ | ||||
| class Data implements \ArrayAccess, \Countable, \IteratorAggregate | ||||
| { | ||||
|     private $data; | ||||
|     private $position = 0; | ||||
|     private $key = 0; | ||||
|     private $maxDepth = 20; | ||||
|     private $maxItemsPerDepth = -1; | ||||
|     private $useRefHandles = -1; | ||||
|  | ||||
|     /** | ||||
|      * @param array $data An array as returned by ClonerInterface::cloneVar() | ||||
|      */ | ||||
|     public function __construct(array $data) | ||||
|     { | ||||
|         $this->data = $data; | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * @return string The type of the value | ||||
|      */ | ||||
|     public function getType() | ||||
|     { | ||||
|         $item = $this->data[$this->position][$this->key]; | ||||
|  | ||||
|         if ($item instanceof Stub && Stub::TYPE_REF === $item->type && !$item->position) { | ||||
|             $item = $item->value; | ||||
|         } | ||||
|         if (!$item instanceof Stub) { | ||||
|             return \gettype($item); | ||||
|         } | ||||
|         if (Stub::TYPE_STRING === $item->type) { | ||||
|             return 'string'; | ||||
|         } | ||||
|         if (Stub::TYPE_ARRAY === $item->type) { | ||||
|             return 'array'; | ||||
|         } | ||||
|         if (Stub::TYPE_OBJECT === $item->type) { | ||||
|             return $item->class; | ||||
|         } | ||||
|         if (Stub::TYPE_RESOURCE === $item->type) { | ||||
|             return $item->class.' resource'; | ||||
|         } | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * @param bool $recursive Whether values should be resolved recursively or not | ||||
|      * | ||||
|      * @return string|int|float|bool|array|Data[]|null A native representation of the original value | ||||
|      */ | ||||
|     public function getValue($recursive = false) | ||||
|     { | ||||
|         $item = $this->data[$this->position][$this->key]; | ||||
|  | ||||
|         if ($item instanceof Stub && Stub::TYPE_REF === $item->type && !$item->position) { | ||||
|             $item = $item->value; | ||||
|         } | ||||
|         if (!($item = $this->getStub($item)) instanceof Stub) { | ||||
|             return $item; | ||||
|         } | ||||
|         if (Stub::TYPE_STRING === $item->type) { | ||||
|             return $item->value; | ||||
|         } | ||||
|  | ||||
|         $children = $item->position ? $this->data[$item->position] : []; | ||||
|  | ||||
|         foreach ($children as $k => $v) { | ||||
|             if ($recursive && !($v = $this->getStub($v)) instanceof Stub) { | ||||
|                 continue; | ||||
|             } | ||||
|             $children[$k] = clone $this; | ||||
|             $children[$k]->key = $k; | ||||
|             $children[$k]->position = $item->position; | ||||
|  | ||||
|             if ($recursive) { | ||||
|                 if (Stub::TYPE_REF === $v->type && ($v = $this->getStub($v->value)) instanceof Stub) { | ||||
|                     $recursive = (array) $recursive; | ||||
|                     if (isset($recursive[$v->position])) { | ||||
|                         continue; | ||||
|                     } | ||||
|                     $recursive[$v->position] = true; | ||||
|                 } | ||||
|                 $children[$k] = $children[$k]->getValue($recursive); | ||||
|             } | ||||
|         } | ||||
|  | ||||
|         return $children; | ||||
|     } | ||||
|  | ||||
|     public function count() | ||||
|     { | ||||
|         return \count($this->getValue()); | ||||
|     } | ||||
|  | ||||
|     public function getIterator() | ||||
|     { | ||||
|         if (!\is_array($value = $this->getValue())) { | ||||
|             throw new \LogicException(sprintf('%s object holds non-iterable type "%s".', self::class, \gettype($value))); | ||||
|         } | ||||
|  | ||||
|         yield from $value; | ||||
|     } | ||||
|  | ||||
|     public function __get($key) | ||||
|     { | ||||
|         if (null !== $data = $this->seek($key)) { | ||||
|             $item = $this->getStub($data->data[$data->position][$data->key]); | ||||
|  | ||||
|             return $item instanceof Stub || [] === $item ? $data : $item; | ||||
|         } | ||||
|     } | ||||
|  | ||||
|     public function __isset($key) | ||||
|     { | ||||
|         return null !== $this->seek($key); | ||||
|     } | ||||
|  | ||||
|     public function offsetExists($key) | ||||
|     { | ||||
|         return $this->__isset($key); | ||||
|     } | ||||
|  | ||||
|     public function offsetGet($key) | ||||
|     { | ||||
|         return $this->__get($key); | ||||
|     } | ||||
|  | ||||
|     public function offsetSet($key, $value) | ||||
|     { | ||||
|         throw new \BadMethodCallException(self::class.' objects are immutable.'); | ||||
|     } | ||||
|  | ||||
|     public function offsetUnset($key) | ||||
|     { | ||||
|         throw new \BadMethodCallException(self::class.' objects are immutable.'); | ||||
|     } | ||||
|  | ||||
|     public function __toString() | ||||
|     { | ||||
|         $value = $this->getValue(); | ||||
|  | ||||
|         if (!\is_array($value)) { | ||||
|             return (string) $value; | ||||
|         } | ||||
|  | ||||
|         return sprintf('%s (count=%d)', $this->getType(), \count($value)); | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * Returns a depth limited clone of $this. | ||||
|      * | ||||
|      * @param int $maxDepth The max dumped depth level | ||||
|      * | ||||
|      * @return self A clone of $this | ||||
|      */ | ||||
|     public function withMaxDepth($maxDepth) | ||||
|     { | ||||
|         $data = clone $this; | ||||
|         $data->maxDepth = (int) $maxDepth; | ||||
|  | ||||
|         return $data; | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * Limits the number of elements per depth level. | ||||
|      * | ||||
|      * @param int $maxItemsPerDepth The max number of items dumped per depth level | ||||
|      * | ||||
|      * @return self A clone of $this | ||||
|      */ | ||||
|     public function withMaxItemsPerDepth($maxItemsPerDepth) | ||||
|     { | ||||
|         $data = clone $this; | ||||
|         $data->maxItemsPerDepth = (int) $maxItemsPerDepth; | ||||
|  | ||||
|         return $data; | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * Enables/disables objects' identifiers tracking. | ||||
|      * | ||||
|      * @param bool $useRefHandles False to hide global ref. handles | ||||
|      * | ||||
|      * @return self A clone of $this | ||||
|      */ | ||||
|     public function withRefHandles($useRefHandles) | ||||
|     { | ||||
|         $data = clone $this; | ||||
|         $data->useRefHandles = $useRefHandles ? -1 : 0; | ||||
|  | ||||
|         return $data; | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * Seeks to a specific key in nested data structures. | ||||
|      * | ||||
|      * @param string|int $key The key to seek to | ||||
|      * | ||||
|      * @return self|null A clone of $this or null if the key is not set | ||||
|      */ | ||||
|     public function seek($key) | ||||
|     { | ||||
|         $item = $this->data[$this->position][$this->key]; | ||||
|  | ||||
|         if ($item instanceof Stub && Stub::TYPE_REF === $item->type && !$item->position) { | ||||
|             $item = $item->value; | ||||
|         } | ||||
|         if (!($item = $this->getStub($item)) instanceof Stub || !$item->position) { | ||||
|             return; | ||||
|         } | ||||
|         $keys = [$key]; | ||||
|  | ||||
|         switch ($item->type) { | ||||
|             case Stub::TYPE_OBJECT: | ||||
|                 $keys[] = Caster::PREFIX_DYNAMIC.$key; | ||||
|                 $keys[] = Caster::PREFIX_PROTECTED.$key; | ||||
|                 $keys[] = Caster::PREFIX_VIRTUAL.$key; | ||||
|                 $keys[] = "\0$item->class\0$key"; | ||||
|                 // no break | ||||
|             case Stub::TYPE_ARRAY: | ||||
|             case Stub::TYPE_RESOURCE: | ||||
|                 break; | ||||
|             default: | ||||
|                 return; | ||||
|         } | ||||
|  | ||||
|         $data = null; | ||||
|         $children = $this->data[$item->position]; | ||||
|  | ||||
|         foreach ($keys as $key) { | ||||
|             if (isset($children[$key]) || \array_key_exists($key, $children)) { | ||||
|                 $data = clone $this; | ||||
|                 $data->key = $key; | ||||
|                 $data->position = $item->position; | ||||
|                 break; | ||||
|             } | ||||
|         } | ||||
|  | ||||
|         return $data; | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * Dumps data with a DumperInterface dumper. | ||||
|      */ | ||||
|     public function dump(DumperInterface $dumper) | ||||
|     { | ||||
|         $refs = [0]; | ||||
|         $this->dumpItem($dumper, new Cursor(), $refs, $this->data[$this->position][$this->key]); | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * Depth-first dumping of items. | ||||
|      * | ||||
|      * @param DumperInterface $dumper The dumper being used for dumping | ||||
|      * @param Cursor          $cursor A cursor used for tracking dumper state position | ||||
|      * @param array           &$refs  A map of all references discovered while dumping | ||||
|      * @param mixed           $item   A Stub object or the original value being dumped | ||||
|      */ | ||||
|     private function dumpItem($dumper, $cursor, &$refs, $item) | ||||
|     { | ||||
|         $cursor->refIndex = 0; | ||||
|         $cursor->softRefTo = $cursor->softRefHandle = $cursor->softRefCount = 0; | ||||
|         $cursor->hardRefTo = $cursor->hardRefHandle = $cursor->hardRefCount = 0; | ||||
|         $firstSeen = true; | ||||
|  | ||||
|         if (!$item instanceof Stub) { | ||||
|             $cursor->attr = []; | ||||
|             $type = \gettype($item); | ||||
|             if ($item && 'array' === $type) { | ||||
|                 $item = $this->getStub($item); | ||||
|             } | ||||
|         } elseif (Stub::TYPE_REF === $item->type) { | ||||
|             if ($item->handle) { | ||||
|                 if (!isset($refs[$r = $item->handle - (PHP_INT_MAX >> 1)])) { | ||||
|                     $cursor->refIndex = $refs[$r] = $cursor->refIndex ?: ++$refs[0]; | ||||
|                 } else { | ||||
|                     $firstSeen = false; | ||||
|                 } | ||||
|                 $cursor->hardRefTo = $refs[$r]; | ||||
|                 $cursor->hardRefHandle = $this->useRefHandles & $item->handle; | ||||
|                 $cursor->hardRefCount = $item->refCount; | ||||
|             } | ||||
|             $cursor->attr = $item->attr; | ||||
|             $type = $item->class ?: \gettype($item->value); | ||||
|             $item = $this->getStub($item->value); | ||||
|         } | ||||
|         if ($item instanceof Stub) { | ||||
|             if ($item->refCount) { | ||||
|                 if (!isset($refs[$r = $item->handle])) { | ||||
|                     $cursor->refIndex = $refs[$r] = $cursor->refIndex ?: ++$refs[0]; | ||||
|                 } else { | ||||
|                     $firstSeen = false; | ||||
|                 } | ||||
|                 $cursor->softRefTo = $refs[$r]; | ||||
|             } | ||||
|             $cursor->softRefHandle = $this->useRefHandles & $item->handle; | ||||
|             $cursor->softRefCount = $item->refCount; | ||||
|             $cursor->attr = $item->attr; | ||||
|             $cut = $item->cut; | ||||
|  | ||||
|             if ($item->position && $firstSeen) { | ||||
|                 $children = $this->data[$item->position]; | ||||
|  | ||||
|                 if ($cursor->stop) { | ||||
|                     if ($cut >= 0) { | ||||
|                         $cut += \count($children); | ||||
|                     } | ||||
|                     $children = []; | ||||
|                 } | ||||
|             } else { | ||||
|                 $children = []; | ||||
|             } | ||||
|             switch ($item->type) { | ||||
|                 case Stub::TYPE_STRING: | ||||
|                     $dumper->dumpString($cursor, $item->value, Stub::STRING_BINARY === $item->class, $cut); | ||||
|                     break; | ||||
|  | ||||
|                 case Stub::TYPE_ARRAY: | ||||
|                     $item = clone $item; | ||||
|                     $item->type = $item->class; | ||||
|                     $item->class = $item->value; | ||||
|                     // no break | ||||
|                 case Stub::TYPE_OBJECT: | ||||
|                 case Stub::TYPE_RESOURCE: | ||||
|                     $withChildren = $children && $cursor->depth !== $this->maxDepth && $this->maxItemsPerDepth; | ||||
|                     $dumper->enterHash($cursor, $item->type, $item->class, $withChildren); | ||||
|                     if ($withChildren) { | ||||
|                         if ($cursor->skipChildren) { | ||||
|                             $withChildren = false; | ||||
|                             $cut = -1; | ||||
|                         } else { | ||||
|                             $cut = $this->dumpChildren($dumper, $cursor, $refs, $children, $cut, $item->type, null !== $item->class); | ||||
|                         } | ||||
|                     } elseif ($children && 0 <= $cut) { | ||||
|                         $cut += \count($children); | ||||
|                     } | ||||
|                     $cursor->skipChildren = false; | ||||
|                     $dumper->leaveHash($cursor, $item->type, $item->class, $withChildren, $cut); | ||||
|                     break; | ||||
|  | ||||
|                 default: | ||||
|                     throw new \RuntimeException(sprintf('Unexpected Stub type: %s', $item->type)); | ||||
|             } | ||||
|         } elseif ('array' === $type) { | ||||
|             $dumper->enterHash($cursor, Cursor::HASH_INDEXED, 0, false); | ||||
|             $dumper->leaveHash($cursor, Cursor::HASH_INDEXED, 0, false, 0); | ||||
|         } elseif ('string' === $type) { | ||||
|             $dumper->dumpString($cursor, $item, false, 0); | ||||
|         } else { | ||||
|             $dumper->dumpScalar($cursor, $type, $item); | ||||
|         } | ||||
|     } | ||||
|  | ||||
|     /** | ||||
|      * Dumps children of hash structures. | ||||
|      * | ||||
|      * @param DumperInterface $dumper | ||||
|      * @param Cursor          $parentCursor The cursor of the parent hash | ||||
|      * @param array           &$refs        A map of all references discovered while dumping | ||||
|      * @param array           $children     The children to dump | ||||
|      * @param int             $hashCut      The number of items removed from the original hash | ||||
|      * @param string          $hashType     A Cursor::HASH_* const | ||||
|      * @param bool            $dumpKeys     Whether keys should be dumped or not | ||||
|      * | ||||
|      * @return int The final number of removed items | ||||
|      */ | ||||
|     private function dumpChildren($dumper, $parentCursor, &$refs, $children, $hashCut, $hashType, $dumpKeys) | ||||
|     { | ||||
|         $cursor = clone $parentCursor; | ||||
|         ++$cursor->depth; | ||||
|         $cursor->hashType = $hashType; | ||||
|         $cursor->hashIndex = 0; | ||||
|         $cursor->hashLength = \count($children); | ||||
|         $cursor->hashCut = $hashCut; | ||||
|         foreach ($children as $key => $child) { | ||||
|             $cursor->hashKeyIsBinary = isset($key[0]) && !preg_match('//u', $key); | ||||
|             $cursor->hashKey = $dumpKeys ? $key : null; | ||||
|             $this->dumpItem($dumper, $cursor, $refs, $child); | ||||
|             if (++$cursor->hashIndex === $this->maxItemsPerDepth || $cursor->stop) { | ||||
|                 $parentCursor->stop = true; | ||||
|  | ||||
|                 return $hashCut >= 0 ? $hashCut + $cursor->hashLength - $cursor->hashIndex : $hashCut; | ||||
|             } | ||||
|         } | ||||
|  | ||||
|         return $hashCut; | ||||
|     } | ||||
|  | ||||
|     private function getStub($item) | ||||
|     { | ||||
|         if (!$item || !\is_array($item)) { | ||||
|             return $item; | ||||
|         } | ||||
|  | ||||
|         $stub = new Stub(); | ||||
|         $stub->type = Stub::TYPE_ARRAY; | ||||
|         foreach ($item as $stub->class => $stub->position) { | ||||
|         } | ||||
|         if (isset($item[0])) { | ||||
|             $stub->cut = $item[0]; | ||||
|         } | ||||
|         $stub->value = $stub->cut + ($stub->position ? \count($this->data[$stub->position]) : 0); | ||||
|  | ||||
|         return $stub; | ||||
|     } | ||||
| } | ||||
							
								
								
									
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							| @@ -0,0 +1,60 @@ | ||||
| <?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\VarDumper\Cloner; | ||||
|  | ||||
| /** | ||||
|  * DumperInterface used by Data objects. | ||||
|  * | ||||
|  * @author Nicolas Grekas <p@tchwork.com> | ||||
|  */ | ||||
| interface DumperInterface | ||||
| { | ||||
|     /** | ||||
|      * Dumps a scalar value. | ||||
|      * | ||||
|      * @param Cursor                $cursor The Cursor position in the dump | ||||
|      * @param string                $type   The PHP type of the value being dumped | ||||
|      * @param string|int|float|bool $value  The scalar value being dumped | ||||
|      */ | ||||
|     public function dumpScalar(Cursor $cursor, $type, $value); | ||||
|  | ||||
|     /** | ||||
|      * Dumps a string. | ||||
|      * | ||||
|      * @param Cursor $cursor The Cursor position in the dump | ||||
|      * @param string $str    The string being dumped | ||||
|      * @param bool   $bin    Whether $str is UTF-8 or binary encoded | ||||
|      * @param int    $cut    The number of characters $str has been cut by | ||||
|      */ | ||||
|     public function dumpString(Cursor $cursor, $str, $bin, $cut); | ||||
|  | ||||
|     /** | ||||
|      * Dumps while entering an hash. | ||||
|      * | ||||
|      * @param Cursor $cursor   The Cursor position in the dump | ||||
|      * @param int    $type     A Cursor::HASH_* const for the type of hash | ||||
|      * @param string $class    The object class, resource type or array count | ||||
|      * @param bool   $hasChild When the dump of the hash has child item | ||||
|      */ | ||||
|     public function enterHash(Cursor $cursor, $type, $class, $hasChild); | ||||
|  | ||||
|     /** | ||||
|      * Dumps while leaving an hash. | ||||
|      * | ||||
|      * @param Cursor $cursor   The Cursor position in the dump | ||||
|      * @param int    $type     A Cursor::HASH_* const for the type of hash | ||||
|      * @param string $class    The object class, resource type or array count | ||||
|      * @param bool   $hasChild When the dump of the hash has child item | ||||
|      * @param int    $cut      The number of items the hash has been cut by | ||||
|      */ | ||||
|     public function leaveHash(Cursor $cursor, $type, $class, $hasChild, $cut); | ||||
| } | ||||
							
								
								
									
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							| @@ -0,0 +1,67 @@ | ||||
| <?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\VarDumper\Cloner; | ||||
|  | ||||
| /** | ||||
|  * Represents the main properties of a PHP variable. | ||||
|  * | ||||
|  * @author Nicolas Grekas <p@tchwork.com> | ||||
|  */ | ||||
| class Stub | ||||
| { | ||||
|     const TYPE_REF = 1; | ||||
|     const TYPE_STRING = 2; | ||||
|     const TYPE_ARRAY = 3; | ||||
|     const TYPE_OBJECT = 4; | ||||
|     const TYPE_RESOURCE = 5; | ||||
|  | ||||
|     const STRING_BINARY = 1; | ||||
|     const STRING_UTF8 = 2; | ||||
|  | ||||
|     const ARRAY_ASSOC = 1; | ||||
|     const ARRAY_INDEXED = 2; | ||||
|  | ||||
|     public $type = self::TYPE_REF; | ||||
|     public $class = ''; | ||||
|     public $value; | ||||
|     public $cut = 0; | ||||
|     public $handle = 0; | ||||
|     public $refCount = 0; | ||||
|     public $position = 0; | ||||
|     public $attr = []; | ||||
|  | ||||
|     private static $defaultProperties = []; | ||||
|  | ||||
|     /** | ||||
|      * @internal | ||||
|      */ | ||||
|     public function __sleep() | ||||
|     { | ||||
|         $properties = []; | ||||
|  | ||||
|         if (!isset(self::$defaultProperties[$c = \get_class($this)])) { | ||||
|             self::$defaultProperties[$c] = get_class_vars($c); | ||||
|  | ||||
|             foreach ((new \ReflectionClass($c))->getStaticProperties() as $k => $v) { | ||||
|                 unset(self::$defaultProperties[$c][$k]); | ||||
|             } | ||||
|         } | ||||
|  | ||||
|         foreach (self::$defaultProperties[$c] as $k => $v) { | ||||
|             if ($this->$k !== $v) { | ||||
|                 $properties[] = $k; | ||||
|             } | ||||
|         } | ||||
|  | ||||
|         return $properties; | ||||
|     } | ||||
| } | ||||
							
								
								
									
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								vendor/symfony/var-dumper/Cloner/VarCloner.php
									
									
									
									
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								vendor/symfony/var-dumper/Cloner/VarCloner.php
									
									
									
									
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							| @@ -0,0 +1,302 @@ | ||||
| <?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\VarDumper\Cloner; | ||||
|  | ||||
| /** | ||||
|  * @author Nicolas Grekas <p@tchwork.com> | ||||
|  */ | ||||
| class VarCloner extends AbstractCloner | ||||
| { | ||||
|     private static $gid; | ||||
|     private static $arrayCache = []; | ||||
|  | ||||
|     /** | ||||
|      * {@inheritdoc} | ||||
|      */ | ||||
|     protected function doClone($var) | ||||
|     { | ||||
|         $len = 1;                       // Length of $queue | ||||
|         $pos = 0;                       // Number of cloned items past the minimum depth | ||||
|         $refsCounter = 0;               // Hard references counter | ||||
|         $queue = [[$var]];    // This breadth-first queue is the return value | ||||
|         $indexedArrays = [];       // Map of queue indexes that hold numerically indexed arrays | ||||
|         $hardRefs = [];            // Map of original zval ids to stub objects | ||||
|         $objRefs = [];             // Map of original object handles to their stub object counterpart | ||||
|         $objects = [];             // Keep a ref to objects to ensure their handle cannot be reused while cloning | ||||
|         $resRefs = [];             // Map of original resource handles to their stub object counterpart | ||||
|         $values = [];              // Map of stub objects' ids to original values | ||||
|         $maxItems = $this->maxItems; | ||||
|         $maxString = $this->maxString; | ||||
|         $minDepth = $this->minDepth; | ||||
|         $currentDepth = 0;              // Current tree depth | ||||
|         $currentDepthFinalIndex = 0;    // Final $queue index for current tree depth | ||||
|         $minimumDepthReached = 0 === $minDepth; // Becomes true when minimum tree depth has been reached | ||||
|         $cookie = (object) [];          // Unique object used to detect hard references | ||||
|         $a = null;                      // Array cast for nested structures | ||||
|         $stub = null;                   // Stub capturing the main properties of an original item value | ||||
|                                         // or null if the original value is used directly | ||||
|  | ||||
|         if (!$gid = self::$gid) { | ||||
|             $gid = self::$gid = uniqid(mt_rand(), true); // Unique string used to detect the special $GLOBALS variable | ||||
|         } | ||||
|         $arrayStub = new Stub(); | ||||
|         $arrayStub->type = Stub::TYPE_ARRAY; | ||||
|         $fromObjCast = false; | ||||
|  | ||||
|         for ($i = 0; $i < $len; ++$i) { | ||||
|             // Detect when we move on to the next tree depth | ||||
|             if ($i > $currentDepthFinalIndex) { | ||||
|                 ++$currentDepth; | ||||
|                 $currentDepthFinalIndex = $len - 1; | ||||
|                 if ($currentDepth >= $minDepth) { | ||||
|                     $minimumDepthReached = true; | ||||
|                 } | ||||
|             } | ||||
|  | ||||
|             $refs = $vals = $queue[$i]; | ||||
|             if (\PHP_VERSION_ID < 70200 && empty($indexedArrays[$i])) { | ||||
|                 // see https://wiki.php.net/rfc/convert_numeric_keys_in_object_array_casts | ||||
|                 foreach ($vals as $k => $v) { | ||||
|                     if (\is_int($k)) { | ||||
|                         continue; | ||||
|                     } | ||||
|                     foreach ([$k => true] as $gk => $gv) { | ||||
|                     } | ||||
|                     if ($gk !== $k) { | ||||
|                         $fromObjCast = true; | ||||
|                         $refs = $vals = array_values($queue[$i]); | ||||
|                         break; | ||||
|                     } | ||||
|                 } | ||||
|             } | ||||
|             foreach ($vals as $k => $v) { | ||||
|                 // $v is the original value or a stub object in case of hard references | ||||
|  | ||||
|                 if (\PHP_VERSION_ID >= 70400) { | ||||
|                     $zvalIsRef = null !== \ReflectionReference::fromArrayElement($vals, $k); | ||||
|                 } else { | ||||
|                     $refs[$k] = $cookie; | ||||
|                     $zvalIsRef = $vals[$k] === $cookie; | ||||
|                 } | ||||
|  | ||||
|                 if ($zvalIsRef) { | ||||
|                     $vals[$k] = &$stub;         // Break hard references to make $queue completely | ||||
|                     unset($stub);               // independent from the original structure | ||||
|                     if ($v instanceof Stub && isset($hardRefs[spl_object_id($v)])) { | ||||
|                         $vals[$k] = $refs[$k] = $v; | ||||
|                         if ($v->value instanceof Stub && (Stub::TYPE_OBJECT === $v->value->type || Stub::TYPE_RESOURCE === $v->value->type)) { | ||||
|                             ++$v->value->refCount; | ||||
|                         } | ||||
|                         ++$v->refCount; | ||||
|                         continue; | ||||
|                     } | ||||
|                     $refs[$k] = $vals[$k] = new Stub(); | ||||
|                     $refs[$k]->value = $v; | ||||
|                     $h = spl_object_id($refs[$k]); | ||||
|                     $hardRefs[$h] = &$refs[$k]; | ||||
|                     $values[$h] = $v; | ||||
|                     $vals[$k]->handle = ++$refsCounter; | ||||
|                 } | ||||
|                 // Create $stub when the original value $v can not be used directly | ||||
|                 // If $v is a nested structure, put that structure in array $a | ||||
|                 switch (true) { | ||||
|                     case null === $v: | ||||
|                     case \is_bool($v): | ||||
|                     case \is_int($v): | ||||
|                     case \is_float($v): | ||||
|                         continue 2; | ||||
|  | ||||
|                     case \is_string($v): | ||||
|                         if ('' === $v) { | ||||
|                             continue 2; | ||||
|                         } | ||||
|                         if (!preg_match('//u', $v)) { | ||||
|                             $stub = new Stub(); | ||||
|                             $stub->type = Stub::TYPE_STRING; | ||||
|                             $stub->class = Stub::STRING_BINARY; | ||||
|                             if (0 <= $maxString && 0 < $cut = \strlen($v) - $maxString) { | ||||
|                                 $stub->cut = $cut; | ||||
|                                 $stub->value = substr($v, 0, -$cut); | ||||
|                             } else { | ||||
|                                 $stub->value = $v; | ||||
|                             } | ||||
|                         } elseif (0 <= $maxString && isset($v[1 + ($maxString >> 2)]) && 0 < $cut = mb_strlen($v, 'UTF-8') - $maxString) { | ||||
|                             $stub = new Stub(); | ||||
|                             $stub->type = Stub::TYPE_STRING; | ||||
|                             $stub->class = Stub::STRING_UTF8; | ||||
|                             $stub->cut = $cut; | ||||
|                             $stub->value = mb_substr($v, 0, $maxString, 'UTF-8'); | ||||
|                         } else { | ||||
|                             continue 2; | ||||
|                         } | ||||
|                         $a = null; | ||||
|                         break; | ||||
|  | ||||
|                     case \is_array($v): | ||||
|                         if (!$v) { | ||||
|                             continue 2; | ||||
|                         } | ||||
|                         $stub = $arrayStub; | ||||
|                         $stub->class = Stub::ARRAY_INDEXED; | ||||
|  | ||||
|                         $j = -1; | ||||
|                         foreach ($v as $gk => $gv) { | ||||
|                             if ($gk !== ++$j) { | ||||
|                                 $stub->class = Stub::ARRAY_ASSOC; | ||||
|                                 break; | ||||
|                             } | ||||
|                         } | ||||
|                         $a = $v; | ||||
|  | ||||
|                         if (Stub::ARRAY_ASSOC === $stub->class) { | ||||
|                             // Copies of $GLOBALS have very strange behavior, | ||||
|                             // let's detect them with some black magic | ||||
|                             $a[$gid] = true; | ||||
|  | ||||
|                             // Happens with copies of $GLOBALS | ||||
|                             if (isset($v[$gid])) { | ||||
|                                 unset($v[$gid]); | ||||
|                                 $a = []; | ||||
|                                 foreach ($v as $gk => &$gv) { | ||||
|                                     $a[$gk] = &$gv; | ||||
|                                 } | ||||
|                                 unset($gv); | ||||
|                             } else { | ||||
|                                 $a = $v; | ||||
|                             } | ||||
|                         } elseif (\PHP_VERSION_ID < 70200) { | ||||
|                             $indexedArrays[$len] = true; | ||||
|                         } | ||||
|                         break; | ||||
|  | ||||
|                     case \is_object($v): | ||||
|                     case $v instanceof \__PHP_Incomplete_Class: | ||||
|                         if (empty($objRefs[$h = spl_object_id($v)])) { | ||||
|                             $stub = new Stub(); | ||||
|                             $stub->type = Stub::TYPE_OBJECT; | ||||
|                             $stub->class = \get_class($v); | ||||
|                             $stub->value = $v; | ||||
|                             $stub->handle = $h; | ||||
|                             $a = $this->castObject($stub, 0 < $i); | ||||
|                             if ($v !== $stub->value) { | ||||
|                                 if (Stub::TYPE_OBJECT !== $stub->type || null === $stub->value) { | ||||
|                                     break; | ||||
|                                 } | ||||
|                                 $stub->handle = $h = spl_object_id($stub->value); | ||||
|                             } | ||||
|                             $stub->value = null; | ||||
|                             if (0 <= $maxItems && $maxItems <= $pos && $minimumDepthReached) { | ||||
|                                 $stub->cut = \count($a); | ||||
|                                 $a = null; | ||||
|                             } | ||||
|                         } | ||||
|                         if (empty($objRefs[$h])) { | ||||
|                             $objRefs[$h] = $stub; | ||||
|                             $objects[] = $v; | ||||
|                         } else { | ||||
|                             $stub = $objRefs[$h]; | ||||
|                             ++$stub->refCount; | ||||
|                             $a = null; | ||||
|                         } | ||||
|                         break; | ||||
|  | ||||
|                     default: // resource | ||||
|                         if (empty($resRefs[$h = (int) $v])) { | ||||
|                             $stub = new Stub(); | ||||
|                             $stub->type = Stub::TYPE_RESOURCE; | ||||
|                             if ('Unknown' === $stub->class = @get_resource_type($v)) { | ||||
|                                 $stub->class = 'Closed'; | ||||
|                             } | ||||
|                             $stub->value = $v; | ||||
|                             $stub->handle = $h; | ||||
|                             $a = $this->castResource($stub, 0 < $i); | ||||
|                             $stub->value = null; | ||||
|                             if (0 <= $maxItems && $maxItems <= $pos && $minimumDepthReached) { | ||||
|                                 $stub->cut = \count($a); | ||||
|                                 $a = null; | ||||
|                             } | ||||
|                         } | ||||
|                         if (empty($resRefs[$h])) { | ||||
|                             $resRefs[$h] = $stub; | ||||
|                         } else { | ||||
|                             $stub = $resRefs[$h]; | ||||
|                             ++$stub->refCount; | ||||
|                             $a = null; | ||||
|                         } | ||||
|                         break; | ||||
|                 } | ||||
|  | ||||
|                 if ($a) { | ||||
|                     if (!$minimumDepthReached || 0 > $maxItems) { | ||||
|                         $queue[$len] = $a; | ||||
|                         $stub->position = $len++; | ||||
|                     } elseif ($pos < $maxItems) { | ||||
|                         if ($maxItems < $pos += \count($a)) { | ||||
|                             $a = \array_slice($a, 0, $maxItems - $pos); | ||||
|                             if ($stub->cut >= 0) { | ||||
|                                 $stub->cut += $pos - $maxItems; | ||||
|                             } | ||||
|                         } | ||||
|                         $queue[$len] = $a; | ||||
|                         $stub->position = $len++; | ||||
|                     } elseif ($stub->cut >= 0) { | ||||
|                         $stub->cut += \count($a); | ||||
|                         $stub->position = 0; | ||||
|                     } | ||||
|                 } | ||||
|  | ||||
|                 if ($arrayStub === $stub) { | ||||
|                     if ($arrayStub->cut) { | ||||
|                         $stub = [$arrayStub->cut, $arrayStub->class => $arrayStub->position]; | ||||
|                         $arrayStub->cut = 0; | ||||
|                     } elseif (isset(self::$arrayCache[$arrayStub->class][$arrayStub->position])) { | ||||
|                         $stub = self::$arrayCache[$arrayStub->class][$arrayStub->position]; | ||||
|                     } else { | ||||
|                         self::$arrayCache[$arrayStub->class][$arrayStub->position] = $stub = [$arrayStub->class => $arrayStub->position]; | ||||
|                     } | ||||
|                 } | ||||
|  | ||||
|                 if ($zvalIsRef) { | ||||
|                     $refs[$k]->value = $stub; | ||||
|                 } else { | ||||
|                     $vals[$k] = $stub; | ||||
|                 } | ||||
|             } | ||||
|  | ||||
|             if ($fromObjCast) { | ||||
|                 $fromObjCast = false; | ||||
|                 $refs = $vals; | ||||
|                 $vals = []; | ||||
|                 $j = -1; | ||||
|                 foreach ($queue[$i] as $k => $v) { | ||||
|                     foreach ([$k => true] as $gk => $gv) { | ||||
|                     } | ||||
|                     if ($gk !== $k) { | ||||
|                         $vals = (object) $vals; | ||||
|                         $vals->{$k} = $refs[++$j]; | ||||
|                         $vals = (array) $vals; | ||||
|                     } else { | ||||
|                         $vals[$k] = $refs[++$j]; | ||||
|                     } | ||||
|                 } | ||||
|             } | ||||
|  | ||||
|             $queue[$i] = $vals; | ||||
|         } | ||||
|  | ||||
|         foreach ($values as $h => $v) { | ||||
|             $hardRefs[$h] = $v; | ||||
|         } | ||||
|  | ||||
|         return $queue; | ||||
|     } | ||||
| } | ||||
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