vendor/symfony/var-exporter/Internal/Registry.php line 54

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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 array $reflectors = [];
  25. public static array $prototypes = [];
  26. public static array $factories = [];
  27. public static array $cloneable = [];
  28. public static array $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. }