AbstractCloner.php 21 KB

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  1. <?php
  2. /*
  3. * This file is part of the Symfony package.
  4. *
  5. * (c) Fabien Potencier <fabien@symfony.com>
  6. *
  7. * For the full copyright and license information, please view the LICENSE
  8. * file that was distributed with this source code.
  9. */
  10. namespace Symfony\Component\VarDumper\Cloner;
  11. use Symfony\Component\VarDumper\Caster\Caster;
  12. use Symfony\Component\VarDumper\Exception\ThrowingCasterException;
  13. /**
  14. * AbstractCloner implements a generic caster mechanism for objects and resources.
  15. *
  16. * @author Nicolas Grekas <p@tchwork.com>
  17. */
  18. abstract class AbstractCloner implements ClonerInterface
  19. {
  20. public static $defaultCasters = [
  21. '__PHP_Incomplete_Class' => ['Symfony\Component\VarDumper\Caster\Caster', 'castPhpIncompleteClass'],
  22. 'Symfony\Component\VarDumper\Caster\CutStub' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'castStub'],
  23. 'Symfony\Component\VarDumper\Caster\CutArrayStub' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'castCutArray'],
  24. 'Symfony\Component\VarDumper\Caster\ConstStub' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'castStub'],
  25. 'Symfony\Component\VarDumper\Caster\EnumStub' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'castEnum'],
  26. 'Fiber' => ['Symfony\Component\VarDumper\Caster\FiberCaster', 'castFiber'],
  27. 'Closure' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castClosure'],
  28. 'Generator' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castGenerator'],
  29. 'ReflectionType' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castType'],
  30. 'ReflectionAttribute' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castAttribute'],
  31. 'ReflectionGenerator' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castReflectionGenerator'],
  32. 'ReflectionClass' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castClass'],
  33. 'ReflectionClassConstant' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castClassConstant'],
  34. 'ReflectionFunctionAbstract' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castFunctionAbstract'],
  35. 'ReflectionMethod' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castMethod'],
  36. 'ReflectionParameter' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castParameter'],
  37. 'ReflectionProperty' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castProperty'],
  38. 'ReflectionReference' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castReference'],
  39. 'ReflectionExtension' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castExtension'],
  40. 'ReflectionZendExtension' => ['Symfony\Component\VarDumper\Caster\ReflectionCaster', 'castZendExtension'],
  41. 'Doctrine\Common\Persistence\ObjectManager' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'],
  42. 'Doctrine\Common\Proxy\Proxy' => ['Symfony\Component\VarDumper\Caster\DoctrineCaster', 'castCommonProxy'],
  43. 'Doctrine\ORM\Proxy\Proxy' => ['Symfony\Component\VarDumper\Caster\DoctrineCaster', 'castOrmProxy'],
  44. 'Doctrine\ORM\PersistentCollection' => ['Symfony\Component\VarDumper\Caster\DoctrineCaster', 'castPersistentCollection'],
  45. 'Doctrine\Persistence\ObjectManager' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'],
  46. 'DOMException' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castException'],
  47. 'DOMStringList' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'],
  48. 'DOMNameList' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'],
  49. 'DOMImplementation' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castImplementation'],
  50. 'DOMImplementationList' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'],
  51. 'DOMNode' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castNode'],
  52. 'DOMNameSpaceNode' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castNameSpaceNode'],
  53. 'DOMDocument' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castDocument'],
  54. 'DOMNodeList' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'],
  55. 'DOMNamedNodeMap' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castLength'],
  56. 'DOMCharacterData' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castCharacterData'],
  57. 'DOMAttr' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castAttr'],
  58. 'DOMElement' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castElement'],
  59. 'DOMText' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castText'],
  60. 'DOMTypeinfo' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castTypeinfo'],
  61. 'DOMDomError' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castDomError'],
  62. 'DOMLocator' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castLocator'],
  63. 'DOMDocumentType' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castDocumentType'],
  64. 'DOMNotation' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castNotation'],
  65. 'DOMEntity' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castEntity'],
  66. 'DOMProcessingInstruction' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castProcessingInstruction'],
  67. 'DOMXPath' => ['Symfony\Component\VarDumper\Caster\DOMCaster', 'castXPath'],
  68. 'XMLReader' => ['Symfony\Component\VarDumper\Caster\XmlReaderCaster', 'castXmlReader'],
  69. 'ErrorException' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castErrorException'],
  70. 'Exception' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castException'],
  71. 'Error' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castError'],
  72. 'Symfony\Bridge\Monolog\Logger' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'],
  73. 'Symfony\Component\DependencyInjection\ContainerInterface' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'],
  74. 'Symfony\Component\EventDispatcher\EventDispatcherInterface' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'],
  75. 'Symfony\Component\HttpClient\AmpHttpClient' => ['Symfony\Component\VarDumper\Caster\SymfonyCaster', 'castHttpClient'],
  76. 'Symfony\Component\HttpClient\CurlHttpClient' => ['Symfony\Component\VarDumper\Caster\SymfonyCaster', 'castHttpClient'],
  77. 'Symfony\Component\HttpClient\NativeHttpClient' => ['Symfony\Component\VarDumper\Caster\SymfonyCaster', 'castHttpClient'],
  78. 'Symfony\Component\HttpClient\Response\AmpResponse' => ['Symfony\Component\VarDumper\Caster\SymfonyCaster', 'castHttpClientResponse'],
  79. 'Symfony\Component\HttpClient\Response\CurlResponse' => ['Symfony\Component\VarDumper\Caster\SymfonyCaster', 'castHttpClientResponse'],
  80. 'Symfony\Component\HttpClient\Response\NativeResponse' => ['Symfony\Component\VarDumper\Caster\SymfonyCaster', 'castHttpClientResponse'],
  81. 'Symfony\Component\HttpFoundation\Request' => ['Symfony\Component\VarDumper\Caster\SymfonyCaster', 'castRequest'],
  82. 'Symfony\Component\Uid\Ulid' => ['Symfony\Component\VarDumper\Caster\SymfonyCaster', 'castUlid'],
  83. 'Symfony\Component\Uid\Uuid' => ['Symfony\Component\VarDumper\Caster\SymfonyCaster', 'castUuid'],
  84. 'Symfony\Component\VarDumper\Exception\ThrowingCasterException' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castThrowingCasterException'],
  85. 'Symfony\Component\VarDumper\Caster\TraceStub' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castTraceStub'],
  86. 'Symfony\Component\VarDumper\Caster\FrameStub' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castFrameStub'],
  87. 'Symfony\Component\VarDumper\Cloner\AbstractCloner' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'],
  88. 'Symfony\Component\ErrorHandler\Exception\SilencedErrorContext' => ['Symfony\Component\VarDumper\Caster\ExceptionCaster', 'castSilencedErrorContext'],
  89. 'Imagine\Image\ImageInterface' => ['Symfony\Component\VarDumper\Caster\ImagineCaster', 'castImage'],
  90. 'Ramsey\Uuid\UuidInterface' => ['Symfony\Component\VarDumper\Caster\UuidCaster', 'castRamseyUuid'],
  91. 'ProxyManager\Proxy\ProxyInterface' => ['Symfony\Component\VarDumper\Caster\ProxyManagerCaster', 'castProxy'],
  92. 'PHPUnit_Framework_MockObject_MockObject' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'],
  93. 'PHPUnit\Framework\MockObject\MockObject' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'],
  94. 'PHPUnit\Framework\MockObject\Stub' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'],
  95. 'Prophecy\Prophecy\ProphecySubjectInterface' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'],
  96. 'Mockery\MockInterface' => ['Symfony\Component\VarDumper\Caster\StubCaster', 'cutInternals'],
  97. 'PDO' => ['Symfony\Component\VarDumper\Caster\PdoCaster', 'castPdo'],
  98. 'PDOStatement' => ['Symfony\Component\VarDumper\Caster\PdoCaster', 'castPdoStatement'],
  99. 'AMQPConnection' => ['Symfony\Component\VarDumper\Caster\AmqpCaster', 'castConnection'],
  100. 'AMQPChannel' => ['Symfony\Component\VarDumper\Caster\AmqpCaster', 'castChannel'],
  101. 'AMQPQueue' => ['Symfony\Component\VarDumper\Caster\AmqpCaster', 'castQueue'],
  102. 'AMQPExchange' => ['Symfony\Component\VarDumper\Caster\AmqpCaster', 'castExchange'],
  103. 'AMQPEnvelope' => ['Symfony\Component\VarDumper\Caster\AmqpCaster', 'castEnvelope'],
  104. 'ArrayObject' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castArrayObject'],
  105. 'ArrayIterator' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castArrayIterator'],
  106. 'SplDoublyLinkedList' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castDoublyLinkedList'],
  107. 'SplFileInfo' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castFileInfo'],
  108. 'SplFileObject' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castFileObject'],
  109. 'SplHeap' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castHeap'],
  110. 'SplObjectStorage' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castObjectStorage'],
  111. 'SplPriorityQueue' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castHeap'],
  112. 'OuterIterator' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castOuterIterator'],
  113. 'WeakReference' => ['Symfony\Component\VarDumper\Caster\SplCaster', 'castWeakReference'],
  114. 'Redis' => ['Symfony\Component\VarDumper\Caster\RedisCaster', 'castRedis'],
  115. 'RedisArray' => ['Symfony\Component\VarDumper\Caster\RedisCaster', 'castRedisArray'],
  116. 'RedisCluster' => ['Symfony\Component\VarDumper\Caster\RedisCaster', 'castRedisCluster'],
  117. 'DateTimeInterface' => ['Symfony\Component\VarDumper\Caster\DateCaster', 'castDateTime'],
  118. 'DateInterval' => ['Symfony\Component\VarDumper\Caster\DateCaster', 'castInterval'],
  119. 'DateTimeZone' => ['Symfony\Component\VarDumper\Caster\DateCaster', 'castTimeZone'],
  120. 'DatePeriod' => ['Symfony\Component\VarDumper\Caster\DateCaster', 'castPeriod'],
  121. 'GMP' => ['Symfony\Component\VarDumper\Caster\GmpCaster', 'castGmp'],
  122. 'MessageFormatter' => ['Symfony\Component\VarDumper\Caster\IntlCaster', 'castMessageFormatter'],
  123. 'NumberFormatter' => ['Symfony\Component\VarDumper\Caster\IntlCaster', 'castNumberFormatter'],
  124. 'IntlTimeZone' => ['Symfony\Component\VarDumper\Caster\IntlCaster', 'castIntlTimeZone'],
  125. 'IntlCalendar' => ['Symfony\Component\VarDumper\Caster\IntlCaster', 'castIntlCalendar'],
  126. 'IntlDateFormatter' => ['Symfony\Component\VarDumper\Caster\IntlCaster', 'castIntlDateFormatter'],
  127. 'Memcached' => ['Symfony\Component\VarDumper\Caster\MemcachedCaster', 'castMemcached'],
  128. 'Ds\Collection' => ['Symfony\Component\VarDumper\Caster\DsCaster', 'castCollection'],
  129. 'Ds\Map' => ['Symfony\Component\VarDumper\Caster\DsCaster', 'castMap'],
  130. 'Ds\Pair' => ['Symfony\Component\VarDumper\Caster\DsCaster', 'castPair'],
  131. 'Symfony\Component\VarDumper\Caster\DsPairStub' => ['Symfony\Component\VarDumper\Caster\DsCaster', 'castPairStub'],
  132. 'mysqli_driver' => ['Symfony\Component\VarDumper\Caster\MysqliCaster', 'castMysqliDriver'],
  133. 'CurlHandle' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castCurl'],
  134. ':curl' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castCurl'],
  135. ':dba' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castDba'],
  136. ':dba persistent' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castDba'],
  137. 'GdImage' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castGd'],
  138. ':gd' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castGd'],
  139. ':mysql link' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castMysqlLink'],
  140. ':pgsql large object' => ['Symfony\Component\VarDumper\Caster\PgSqlCaster', 'castLargeObject'],
  141. ':pgsql link' => ['Symfony\Component\VarDumper\Caster\PgSqlCaster', 'castLink'],
  142. ':pgsql link persistent' => ['Symfony\Component\VarDumper\Caster\PgSqlCaster', 'castLink'],
  143. ':pgsql result' => ['Symfony\Component\VarDumper\Caster\PgSqlCaster', 'castResult'],
  144. ':process' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castProcess'],
  145. ':stream' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castStream'],
  146. 'OpenSSLCertificate' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castOpensslX509'],
  147. ':OpenSSL X.509' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castOpensslX509'],
  148. ':persistent stream' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castStream'],
  149. ':stream-context' => ['Symfony\Component\VarDumper\Caster\ResourceCaster', 'castStreamContext'],
  150. 'XmlParser' => ['Symfony\Component\VarDumper\Caster\XmlResourceCaster', 'castXml'],
  151. ':xml' => ['Symfony\Component\VarDumper\Caster\XmlResourceCaster', 'castXml'],
  152. 'RdKafka' => ['Symfony\Component\VarDumper\Caster\RdKafkaCaster', 'castRdKafka'],
  153. 'RdKafka\Conf' => ['Symfony\Component\VarDumper\Caster\RdKafkaCaster', 'castConf'],
  154. 'RdKafka\KafkaConsumer' => ['Symfony\Component\VarDumper\Caster\RdKafkaCaster', 'castKafkaConsumer'],
  155. 'RdKafka\Metadata\Broker' => ['Symfony\Component\VarDumper\Caster\RdKafkaCaster', 'castBrokerMetadata'],
  156. 'RdKafka\Metadata\Collection' => ['Symfony\Component\VarDumper\Caster\RdKafkaCaster', 'castCollectionMetadata'],
  157. 'RdKafka\Metadata\Partition' => ['Symfony\Component\VarDumper\Caster\RdKafkaCaster', 'castPartitionMetadata'],
  158. 'RdKafka\Metadata\Topic' => ['Symfony\Component\VarDumper\Caster\RdKafkaCaster', 'castTopicMetadata'],
  159. 'RdKafka\Message' => ['Symfony\Component\VarDumper\Caster\RdKafkaCaster', 'castMessage'],
  160. 'RdKafka\Topic' => ['Symfony\Component\VarDumper\Caster\RdKafkaCaster', 'castTopic'],
  161. 'RdKafka\TopicPartition' => ['Symfony\Component\VarDumper\Caster\RdKafkaCaster', 'castTopicPartition'],
  162. 'RdKafka\TopicConf' => ['Symfony\Component\VarDumper\Caster\RdKafkaCaster', 'castTopicConf'],
  163. ];
  164. protected $maxItems = 2500;
  165. protected $maxString = -1;
  166. protected $minDepth = 1;
  167. /**
  168. * @var array<string, list<callable>>
  169. */
  170. private $casters = [];
  171. /**
  172. * @var callable|null
  173. */
  174. private $prevErrorHandler;
  175. private $classInfo = [];
  176. private $filter = 0;
  177. /**
  178. * @param callable[]|null $casters A map of casters
  179. *
  180. * @see addCasters
  181. */
  182. public function __construct(array $casters = null)
  183. {
  184. if (null === $casters) {
  185. $casters = static::$defaultCasters;
  186. }
  187. $this->addCasters($casters);
  188. }
  189. /**
  190. * Adds casters for resources and objects.
  191. *
  192. * Maps resources or objects types to a callback.
  193. * Types are in the key, with a callable caster for value.
  194. * Resource types are to be prefixed with a `:`,
  195. * see e.g. static::$defaultCasters.
  196. *
  197. * @param callable[] $casters A map of casters
  198. */
  199. public function addCasters(array $casters)
  200. {
  201. foreach ($casters as $type => $callback) {
  202. $this->casters[$type][] = $callback;
  203. }
  204. }
  205. /**
  206. * Sets the maximum number of items to clone past the minimum depth in nested structures.
  207. */
  208. public function setMaxItems(int $maxItems)
  209. {
  210. $this->maxItems = $maxItems;
  211. }
  212. /**
  213. * Sets the maximum cloned length for strings.
  214. */
  215. public function setMaxString(int $maxString)
  216. {
  217. $this->maxString = $maxString;
  218. }
  219. /**
  220. * Sets the minimum tree depth where we are guaranteed to clone all the items. After this
  221. * depth is reached, only setMaxItems items will be cloned.
  222. */
  223. public function setMinDepth(int $minDepth)
  224. {
  225. $this->minDepth = $minDepth;
  226. }
  227. /**
  228. * Clones a PHP variable.
  229. *
  230. * @param mixed $var Any PHP variable
  231. * @param int $filter A bit field of Caster::EXCLUDE_* constants
  232. *
  233. * @return Data
  234. */
  235. public function cloneVar($var, int $filter = 0)
  236. {
  237. $this->prevErrorHandler = set_error_handler(function ($type, $msg, $file, $line, $context = []) {
  238. if (\E_RECOVERABLE_ERROR === $type || \E_USER_ERROR === $type) {
  239. // Cloner never dies
  240. throw new \ErrorException($msg, 0, $type, $file, $line);
  241. }
  242. if ($this->prevErrorHandler) {
  243. return ($this->prevErrorHandler)($type, $msg, $file, $line, $context);
  244. }
  245. return false;
  246. });
  247. $this->filter = $filter;
  248. if ($gc = gc_enabled()) {
  249. gc_disable();
  250. }
  251. try {
  252. return new Data($this->doClone($var));
  253. } finally {
  254. if ($gc) {
  255. gc_enable();
  256. }
  257. restore_error_handler();
  258. $this->prevErrorHandler = null;
  259. }
  260. }
  261. /**
  262. * Effectively clones the PHP variable.
  263. *
  264. * @param mixed $var Any PHP variable
  265. *
  266. * @return array
  267. */
  268. abstract protected function doClone($var);
  269. /**
  270. * Casts an object to an array representation.
  271. *
  272. * @param bool $isNested True if the object is nested in the dumped structure
  273. *
  274. * @return array
  275. */
  276. protected function castObject(Stub $stub, bool $isNested)
  277. {
  278. $obj = $stub->value;
  279. $class = $stub->class;
  280. if (\PHP_VERSION_ID < 80000 ? "\0" === ($class[15] ?? null) : str_contains($class, "@anonymous\0")) {
  281. $stub->class = get_debug_type($obj);
  282. }
  283. if (isset($this->classInfo[$class])) {
  284. [$i, $parents, $hasDebugInfo, $fileInfo] = $this->classInfo[$class];
  285. } else {
  286. $i = 2;
  287. $parents = [$class];
  288. $hasDebugInfo = method_exists($class, '__debugInfo');
  289. foreach (class_parents($class) as $p) {
  290. $parents[] = $p;
  291. ++$i;
  292. }
  293. foreach (class_implements($class) as $p) {
  294. $parents[] = $p;
  295. ++$i;
  296. }
  297. $parents[] = '*';
  298. $r = new \ReflectionClass($class);
  299. $fileInfo = $r->isInternal() || $r->isSubclassOf(Stub::class) ? [] : [
  300. 'file' => $r->getFileName(),
  301. 'line' => $r->getStartLine(),
  302. ];
  303. $this->classInfo[$class] = [$i, $parents, $hasDebugInfo, $fileInfo];
  304. }
  305. $stub->attr += $fileInfo;
  306. $a = Caster::castObject($obj, $class, $hasDebugInfo, $stub->class);
  307. try {
  308. while ($i--) {
  309. if (!empty($this->casters[$p = $parents[$i]])) {
  310. foreach ($this->casters[$p] as $callback) {
  311. $a = $callback($obj, $a, $stub, $isNested, $this->filter);
  312. }
  313. }
  314. }
  315. } catch (\Exception $e) {
  316. $a = [(Stub::TYPE_OBJECT === $stub->type ? Caster::PREFIX_VIRTUAL : '').'⚠' => new ThrowingCasterException($e)] + $a;
  317. }
  318. return $a;
  319. }
  320. /**
  321. * Casts a resource to an array representation.
  322. *
  323. * @param bool $isNested True if the object is nested in the dumped structure
  324. *
  325. * @return array
  326. */
  327. protected function castResource(Stub $stub, bool $isNested)
  328. {
  329. $a = [];
  330. $res = $stub->value;
  331. $type = $stub->class;
  332. try {
  333. if (!empty($this->casters[':'.$type])) {
  334. foreach ($this->casters[':'.$type] as $callback) {
  335. $a = $callback($res, $a, $stub, $isNested, $this->filter);
  336. }
  337. }
  338. } catch (\Exception $e) {
  339. $a = [(Stub::TYPE_OBJECT === $stub->type ? Caster::PREFIX_VIRTUAL : '').'⚠' => new ThrowingCasterException($e)] + $a;
  340. }
  341. return $a;
  342. }
  343. }