vendor/symfony/var-exporter/Internal/Registry.php line 68

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  1. <?php
  3. /*
  4.  * This file is part of the Symfony package.
  5.  *
  6.  * (c) Fabien Potencier <fabien@symfony.com>
  7.  *
  8.  * For the full copyright and license information, please view the LICENSE
  9.  * file that was distributed with this source code.
  10.  */
  12. namespace Symfony\Component\VarExporter\Internal;
  14. use Symfony\Component\VarExporter\Exception\ClassNotFoundException;
  15. use Symfony\Component\VarExporter\Exception\NotInstantiableTypeException;
  17. /**
  18.  * @author Nicolas Grekas <p@tchwork.com>
  19.  *
  20.  * @internal
  21.  */
  22. class Registry
  23. {
  24.     public static $reflectors = [];
  25.     public static $prototypes = [];
  26.     public static $factories = [];
  27.     public static $cloneable = [];
  28.     public static $instantiableWithoutConstructor = [];
  30.     public $classes = [];
  32.     public function __construct(array $classes)
  33.     {
  34.         $this->classes = $classes;
  35.     }
  37.     public static function unserialize($objects, $serializables)
  38.     {
  39.         $unserializeCallback = ini_set('unserialize_callback_func', __CLASS__.'::getClassReflector');
  41.         try {
  42.             foreach ($serializables as $k => $v) {
  43.                 $objects[$k] = unserialize($v);
  44.             }
  45.         } finally {
  46.             ini_set('unserialize_callback_func', $unserializeCallback);
  47.         }
  49.         return $objects;
  50.     }
  52.     public static function p($class)
  53.     {
  54.         self::getClassReflector($class, true, true);
  56.         return self::$prototypes[$class];
  57.     }
  59.     public static function f($class)
  60.     {
  61.         $reflector = self::$reflectors[$class] ??= self::getClassReflector($class, true, false);
  63.         return self::$factories[$class] = [$reflector, 'newInstanceWithoutConstructor'](...);
  64.     }
  66.     public static function getClassReflector($class, $instantiableWithoutConstructor = false, $cloneable = null)
  67.     {
  68.         if (!($isClass = class_exists($class)) && !interface_exists($class, false) && !trait_exists($class, false)) {
  69.             throw new ClassNotFoundException($class);
  70.         }
  71.         $reflector = new \ReflectionClass($class);
  73.         if ($instantiableWithoutConstructor) {
  74.             $proto = $reflector->newInstanceWithoutConstructor();
  75.         } elseif (!$isClass || $reflector->isAbstract()) {
  76.             throw new NotInstantiableTypeException($class);
  77.         } elseif ($reflector->name !== $class) {
  78.             $reflector = self::$reflectors[$name = $reflector->name] ??= self::getClassReflector($name, false, $cloneable);
  79.             self::$cloneable[$class] = self::$cloneable[$name];
  80.             self::$instantiableWithoutConstructor[$class] = self::$instantiableWithoutConstructor[$name];
  81.             self::$prototypes[$class] = self::$prototypes[$name];
  83.             return $reflector;
  84.         } else {
  85.             try {
  86.                 $proto = $reflector->newInstanceWithoutConstructor();
  87.                 $instantiableWithoutConstructor = true;
  88.             } catch (\ReflectionException) {
  89.                 $proto = $reflector->implementsInterface('Serializable') && !method_exists($class, '__unserialize') ? 'C:' : 'O:';
  90.                 if ('C:' === $proto && !$reflector->getMethod('unserialize')->isInternal()) {
  91.                     $proto = null;
  92.                 } else {
  93.                     try {
  94.                         $proto = @unserialize($proto.\strlen($class).':"'.$class.'":0:{}');
  95.                     } catch (\Exception $e) {
  96.                         if (__FILE__ !== $e->getFile()) {
  97.                             throw $e;
  98.                         }
  99.                         throw new NotInstantiableTypeException($class, $e);
  100.                     }
  101.                     if (false === $proto) {
  102.                         throw new NotInstantiableTypeException($class);
  103.                     }
  104.                 }
  105.             }
  106.             if (null !== $proto && !$proto instanceof \Throwable && !$proto instanceof \Serializable && !method_exists($class, '__sleep') && !method_exists($class, '__serialize')) {
  107.                 try {
  108.                     serialize($proto);
  109.                 } catch (\Exception $e) {
  110.                     throw new NotInstantiableTypeException($class, $e);
  111.                 }
  112.             }
  113.         }
  115.         if (null === $cloneable) {
  116.             if (($proto instanceof \Reflector || $proto instanceof \ReflectionGenerator || $proto instanceof \ReflectionType || $proto instanceof \IteratorIterator || $proto instanceof \RecursiveIteratorIterator) && (!$proto instanceof \Serializable && !method_exists($proto, '__wakeup') && !method_exists($class, '__unserialize'))) {
  117.                 throw new NotInstantiableTypeException($class);
  118.             }
  120.             $cloneable = $reflector->isCloneable() && !$reflector->hasMethod('__clone');
  121.         }
  123.         self::$cloneable[$class] = $cloneable;
  124.         self::$instantiableWithoutConstructor[$class] = $instantiableWithoutConstructor;
  125.         self::$prototypes[$class] = $proto;
  127.         if ($proto instanceof \Throwable) {
  128.             static $setTrace;
  130.             if (null === $setTrace) {
  131.                 $setTrace = [
  132.                     new \ReflectionProperty(\Error::class, 'trace'),
  133.                     new \ReflectionProperty(\Exception::class, 'trace'),
  134.                 ];
  135.                 $setTrace[0] = $setTrace[0]->setValue(...);
  136.                 $setTrace[1] = $setTrace[1]->setValue(...);
  137.             }
  139.             $setTrace[$proto instanceof \Exception]($proto, []);
  140.         }
  142.         return $reflector;
  143.     }
  144. }