| 1 |
<?php |
| 2 |
/* =========================================================================== |
| 3 |
* Copyright (c) 2018-2021 Zindex Software |
| 4 |
* |
| 5 |
* Licensed under the MIT License |
| 6 |
* =========================================================================== */ |
| 7 |
|
| 8 |
namespace Opis\Closure; |
| 9 |
|
| 10 |
use Closure; |
| 11 |
use Serializable; |
| 12 |
use SplObjectStorage; |
| 13 |
use ReflectionObject; |
| 14 |
|
| 15 |
/** |
| 16 |
* Provides a wrapper for serialization of closures |
| 17 |
*/ |
| 18 |
class SerializableClosure implements Serializable |
| 19 |
{ |
| 20 |
/** |
| 21 |
* @var Closure Wrapped closure |
| 22 |
* |
| 23 |
* @see \Opis\Closure\SerializableClosure::getClosure() |
| 24 |
*/ |
| 25 |
protected $closure; |
| 26 |
|
| 27 |
/** |
| 28 |
* @var ReflectionClosure A reflection instance for closure |
| 29 |
* |
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* @see \Opis\Closure\SerializableClosure::getReflector() |
| 31 |
*/ |
| 32 |
protected $reflector; |
| 33 |
|
| 34 |
/** |
| 35 |
* @var mixed Used at deserialization to hold variables |
| 36 |
* |
| 37 |
* @see \Opis\Closure\SerializableClosure::unserialize() |
| 38 |
* @see \Opis\Closure\SerializableClosure::getReflector() |
| 39 |
*/ |
| 40 |
protected $code; |
| 41 |
|
| 42 |
/** |
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* @var string Closure's ID |
| 44 |
*/ |
| 45 |
protected $reference; |
| 46 |
|
| 47 |
/** |
| 48 |
* @var string Closure scope |
| 49 |
*/ |
| 50 |
protected $scope; |
| 51 |
|
| 52 |
/** |
| 53 |
* @var ClosureContext Context of closure, used in serialization |
| 54 |
*/ |
| 55 |
protected static $context; |
| 56 |
|
| 57 |
/** |
| 58 |
* @var ISecurityProvider|null |
| 59 |
*/ |
| 60 |
protected static $securityProvider; |
| 61 |
|
| 62 |
/** Array recursive constant*/ |
| 63 |
const ARRAY_RECURSIVE_KEY = '¯\_(ツ)_/¯'; |
| 64 |
|
| 65 |
/** |
| 66 |
* Constructor |
| 67 |
* |
| 68 |
* @param Closure $closure Closure you want to serialize |
| 69 |
*/ |
| 70 |
public function __construct(Closure $closure) |
| 71 |
{ |
| 72 |
$this->closure = $closure; |
| 73 |
if (static::$context !== null) { |
| 74 |
$this->scope = static::$context->scope; |
| 75 |
$this->scope->toserialize++; |
| 76 |
} |
| 77 |
} |
| 78 |
|
| 79 |
/** |
| 80 |
* Get the Closure object |
| 81 |
* |
| 82 |
* @return Closure The wrapped closure |
| 83 |
*/ |
| 84 |
public function getClosure() |
| 85 |
{ |
| 86 |
return $this->closure; |
| 87 |
} |
| 88 |
|
| 89 |
/** |
| 90 |
* Get the reflector for closure |
| 91 |
* |
| 92 |
* @return ReflectionClosure |
| 93 |
*/ |
| 94 |
public function getReflector() |
| 95 |
{ |
| 96 |
if ($this->reflector === null) { |
| 97 |
$this->reflector = new ReflectionClosure($this->closure); |
| 98 |
$this->code = null; |
| 99 |
} |
| 100 |
|
| 101 |
return $this->reflector; |
| 102 |
} |
| 103 |
|
| 104 |
/** |
| 105 |
* Implementation of magic method __invoke() |
| 106 |
*/ |
| 107 |
public function __invoke() |
| 108 |
{ |
| 109 |
return call_user_func_array($this->closure, func_get_args()); |
| 110 |
} |
| 111 |
|
| 112 |
/** |
| 113 |
* Implementation of Serializable::serialize() |
| 114 |
* |
| 115 |
* @return string The serialized closure |
| 116 |
*/ |
| 117 |
public function serialize() |
| 118 |
{ |
| 119 |
if ($this->scope === null) { |
| 120 |
$this->scope = new ClosureScope(); |
| 121 |
$this->scope->toserialize++; |
| 122 |
} |
| 123 |
|
| 124 |
$this->scope->serializations++; |
| 125 |
|
| 126 |
$scope = $object = null; |
| 127 |
$reflector = $this->getReflector(); |
| 128 |
|
| 129 |
if($reflector->isBindingRequired()){ |
| 130 |
$object = $reflector->getClosureThis(); |
| 131 |
static::wrapClosures($object, $this->scope); |
| 132 |
if($scope = $reflector->getClosureScopeClass()){ |
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$scope = $scope->name; |
| 134 |
} |
| 135 |
} else { |
| 136 |
if($scope = $reflector->getClosureScopeClass()){ |
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$scope = $scope->name; |
| 138 |
} |
| 139 |
} |
| 140 |
|
| 141 |
$this->reference = spl_object_hash($this->closure); |
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|
| 143 |
$this->scope[$this->closure] = $this; |
| 144 |
|
| 145 |
$use = $this->transformUseVariables($reflector->getUseVariables()); |
| 146 |
$code = $reflector->getCode(); |
| 147 |
|
| 148 |
$this->mapByReference($use); |
| 149 |
|
| 150 |
$ret = \serialize(array( |
| 151 |
'use' => $use, |
| 152 |
'function' => $code, |
| 153 |
'scope' => $scope, |
| 154 |
'this' => $object, |
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'self' => $this->reference, |
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)); |
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|
| 158 |
if (static::$securityProvider !== null) { |
| 159 |
$data = static::$securityProvider->sign($ret); |
| 160 |
$ret = '@' . $data['hash'] . '.' . $data['closure']; |
| 161 |
} |
| 162 |
|
| 163 |
if (!--$this->scope->serializations && !--$this->scope->toserialize) { |
| 164 |
$this->scope = null; |
| 165 |
} |
| 166 |
|
| 167 |
return $ret; |
| 168 |
} |
| 169 |
|
| 170 |
/** |
| 171 |
* Transform the use variables before serialization. |
| 172 |
* |
| 173 |
* @param array $data The Closure's use variables |
| 174 |
* @return array |
| 175 |
*/ |
| 176 |
protected function transformUseVariables($data) |
| 177 |
{ |
| 178 |
return $data; |
| 179 |
} |
| 180 |
|
| 181 |
/** |
| 182 |
* Implementation of Serializable::unserialize() |
| 183 |
* |
| 184 |
* @param string $data Serialized data |
| 185 |
* @throws SecurityException |
| 186 |
*/ |
| 187 |
public function unserialize($data) |
| 188 |
{ |
| 189 |
ClosureStream::register(); |
| 190 |
|
| 191 |
if (static::$securityProvider !== null) { |
| 192 |
if ($data[0] !== '@') { |
| 193 |
throw new SecurityException("The serialized closure is not signed. ". |
| 194 |
"Make sure you use a security provider for both serialization and unserialization."); |
| 195 |
} |
| 196 |
|
| 197 |
if ($data[1] !== '{') { |
| 198 |
$separator = strpos($data, '.'); |
| 199 |
if ($separator === false) { |
| 200 |
throw new SecurityException('Invalid signed closure'); |
| 201 |
} |
| 202 |
$hash = substr($data, 1, $separator - 1); |
| 203 |
$closure = substr($data, $separator + 1); |
| 204 |
|
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$data = ['hash' => $hash, 'closure' => $closure]; |
| 206 |
|
| 207 |
unset($hash, $closure); |
| 208 |
} else { |
| 209 |
$data = json_decode(substr($data, 1), true); |
| 210 |
} |
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|
| 212 |
if (!is_array($data) || !static::$securityProvider->verify($data)) { |
| 213 |
throw new SecurityException("Your serialized closure might have been modified and it's unsafe to be unserialized. " . |
| 214 |
"Make sure you use the same security provider, with the same settings, " . |
| 215 |
"both for serialization and unserialization."); |
| 216 |
} |
| 217 |
|
| 218 |
$data = $data['closure']; |
| 219 |
} elseif ($data[0] === '@') { |
| 220 |
if ($data[1] !== '{') { |
| 221 |
$separator = strpos($data, '.'); |
| 222 |
if ($separator === false) { |
| 223 |
throw new SecurityException('Invalid signed closure'); |
| 224 |
} |
| 225 |
$hash = substr($data, 1, $separator - 1); |
| 226 |
$closure = substr($data, $separator + 1); |
| 227 |
|
| 228 |
$data = ['hash' => $hash, 'closure' => $closure]; |
| 229 |
|
| 230 |
unset($hash, $closure); |
| 231 |
} else { |
| 232 |
$data = json_decode(substr($data, 1), true); |
| 233 |
} |
| 234 |
|
| 235 |
if (!is_array($data) || !isset($data['closure']) || !isset($data['hash'])) { |
| 236 |
throw new SecurityException('Invalid signed closure'); |
| 237 |
} |
| 238 |
|
| 239 |
$data = $data['closure']; |
| 240 |
} |
| 241 |
|
| 242 |
$this->code = \unserialize($data); |
| 243 |
|
| 244 |
// unset data |
| 245 |
unset($data); |
| 246 |
|
| 247 |
$this->code['objects'] = array(); |
| 248 |
|
| 249 |
if ($this->code['use']) { |
| 250 |
$this->scope = new ClosureScope(); |
| 251 |
$this->code['use'] = $this->resolveUseVariables($this->code['use']); |
| 252 |
$this->mapPointers($this->code['use']); |
| 253 |
extract($this->code['use'], EXTR_OVERWRITE | EXTR_REFS); |
| 254 |
$this->scope = null; |
| 255 |
} |
| 256 |
|
| 257 |
$this->closure = include(ClosureStream::STREAM_PROTO . '://' . $this->code['function']); |
| 258 |
|
| 259 |
if($this->code['this'] === $this){ |
| 260 |
$this->code['this'] = null; |
| 261 |
} |
| 262 |
|
| 263 |
$this->closure = $this->closure->bindTo($this->code['this'], $this->code['scope']); |
| 264 |
|
| 265 |
if(!empty($this->code['objects'])){ |
| 266 |
foreach ($this->code['objects'] as $item){ |
| 267 |
$item['property']->setValue($item['instance'], $item['object']->getClosure()); |
| 268 |
} |
| 269 |
} |
| 270 |
|
| 271 |
$this->code = $this->code['function']; |
| 272 |
} |
| 273 |
|
| 274 |
/** |
| 275 |
* Resolve the use variables after unserialization. |
| 276 |
* |
| 277 |
* @param array $data The Closure's transformed use variables |
| 278 |
* @return array |
| 279 |
*/ |
| 280 |
protected function resolveUseVariables($data) |
| 281 |
{ |
| 282 |
return $data; |
| 283 |
} |
| 284 |
|
| 285 |
/** |
| 286 |
* Wraps a closure and sets the serialization context (if any) |
| 287 |
* |
| 288 |
* @param Closure $closure Closure to be wrapped |
| 289 |
* |
| 290 |
* @return self The wrapped closure |
| 291 |
*/ |
| 292 |
public static function from(Closure $closure) |
| 293 |
{ |
| 294 |
if (static::$context === null) { |
| 295 |
$instance = new static($closure); |
| 296 |
} elseif (isset(static::$context->scope[$closure])) { |
| 297 |
$instance = static::$context->scope[$closure]; |
| 298 |
} else { |
| 299 |
$instance = new static($closure); |
| 300 |
static::$context->scope[$closure] = $instance; |
| 301 |
} |
| 302 |
|
| 303 |
return $instance; |
| 304 |
} |
| 305 |
|
| 306 |
/** |
| 307 |
* Increments the context lock counter or creates a new context if none exist |
| 308 |
*/ |
| 309 |
public static function enterContext() |
| 310 |
{ |
| 311 |
if (static::$context === null) { |
| 312 |
static::$context = new ClosureContext(); |
| 313 |
} |
| 314 |
|
| 315 |
static::$context->locks++; |
| 316 |
} |
| 317 |
|
| 318 |
/** |
| 319 |
* Decrements the context lock counter and destroy the context when it reaches to 0 |
| 320 |
*/ |
| 321 |
public static function exitContext() |
| 322 |
{ |
| 323 |
if (static::$context !== null && !--static::$context->locks) { |
| 324 |
static::$context = null; |
| 325 |
} |
| 326 |
} |
| 327 |
|
| 328 |
/** |
| 329 |
* @param string $secret |
| 330 |
*/ |
| 331 |
public static function setSecretKey($secret) |
| 332 |
{ |
| 333 |
if(static::$securityProvider === null){ |
| 334 |
static::$securityProvider = new SecurityProvider($secret); |
| 335 |
} |
| 336 |
} |
| 337 |
|
| 338 |
/** |
| 339 |
* @param ISecurityProvider $securityProvider |
| 340 |
*/ |
| 341 |
public static function addSecurityProvider(ISecurityProvider $securityProvider) |
| 342 |
{ |
| 343 |
static::$securityProvider = $securityProvider; |
| 344 |
} |
| 345 |
|
| 346 |
/** |
| 347 |
* Remove security provider |
| 348 |
*/ |
| 349 |
public static function removeSecurityProvider() |
| 350 |
{ |
| 351 |
static::$securityProvider = null; |
| 352 |
} |
| 353 |
|
| 354 |
/** |
| 355 |
* @return null|ISecurityProvider |
| 356 |
*/ |
| 357 |
public static function getSecurityProvider() |
| 358 |
{ |
| 359 |
return static::$securityProvider; |
| 360 |
} |
| 361 |
|
| 362 |
/** |
| 363 |
* Wrap closures |
| 364 |
* |
| 365 |
* @internal |
| 366 |
* @param $data |
| 367 |
* @param ClosureScope|SplObjectStorage|null $storage |
| 368 |
*/ |
| 369 |
public static function wrapClosures(&$data, SplObjectStorage $storage = null) |
| 370 |
{ |
| 371 |
if($storage === null){ |
| 372 |
$storage = static::$context->scope; |
| 373 |
} |
| 374 |
|
| 375 |
if($data instanceof Closure){ |
| 376 |
$data = static::from($data); |
| 377 |
} elseif (is_array($data)){ |
| 378 |
if(isset($data[self::ARRAY_RECURSIVE_KEY])){ |
| 379 |
return; |
| 380 |
} |
| 381 |
$data[self::ARRAY_RECURSIVE_KEY] = true; |
| 382 |
foreach ($data as $key => &$value){ |
| 383 |
if($key === self::ARRAY_RECURSIVE_KEY){ |
| 384 |
continue; |
| 385 |
} |
| 386 |
static::wrapClosures($value, $storage); |
| 387 |
} |
| 388 |
unset($value); |
| 389 |
unset($data[self::ARRAY_RECURSIVE_KEY]); |
| 390 |
} elseif($data instanceof \stdClass){ |
| 391 |
if(isset($storage[$data])){ |
| 392 |
$data = $storage[$data]; |
| 393 |
return; |
| 394 |
} |
| 395 |
$data = $storage[$data] = clone($data); |
| 396 |
foreach ($data as &$value){ |
| 397 |
static::wrapClosures($value, $storage); |
| 398 |
} |
| 399 |
unset($value); |
| 400 |
} elseif (is_object($data) && ! $data instanceof static){ |
| 401 |
if(isset($storage[$data])){ |
| 402 |
$data = $storage[$data]; |
| 403 |
return; |
| 404 |
} |
| 405 |
$instance = $data; |
| 406 |
$reflection = new ReflectionObject($instance); |
| 407 |
if(!$reflection->isUserDefined()){ |
| 408 |
$storage[$instance] = $data; |
| 409 |
return; |
| 410 |
} |
| 411 |
$storage[$instance] = $data = $reflection->newInstanceWithoutConstructor(); |
| 412 |
|
| 413 |
do{ |
| 414 |
if(!$reflection->isUserDefined()){ |
| 415 |
break; |
| 416 |
} |
| 417 |
foreach ($reflection->getProperties() as $property){ |
| 418 |
if($property->isStatic() || !$property->getDeclaringClass()->isUserDefined()){ |
| 419 |
continue; |
| 420 |
} |
| 421 |
$property->setAccessible(true); |
| 422 |
if (PHP_VERSION >= 7.4 && !$property->isInitialized($instance)) { |
| 423 |
continue; |
| 424 |
} |
| 425 |
$value = $property->getValue($instance); |
| 426 |
if(is_array($value) || is_object($value)){ |
| 427 |
static::wrapClosures($value, $storage); |
| 428 |
} |
| 429 |
$property->setValue($data, $value); |
| 430 |
}; |
| 431 |
} while($reflection = $reflection->getParentClass()); |
| 432 |
} |
| 433 |
} |
| 434 |
|
| 435 |
/** |
| 436 |
* Unwrap closures |
| 437 |
* |
| 438 |
* @internal |
| 439 |
* @param $data |
| 440 |
* @param SplObjectStorage|null $storage |
| 441 |
*/ |
| 442 |
public static function unwrapClosures(&$data, SplObjectStorage $storage = null) |
| 443 |
{ |
| 444 |
if($storage === null){ |
| 445 |
$storage = static::$context->scope; |
| 446 |
} |
| 447 |
|
| 448 |
if($data instanceof static){ |
| 449 |
$data = $data->getClosure(); |
| 450 |
} elseif (is_array($data)){ |
| 451 |
if(isset($data[self::ARRAY_RECURSIVE_KEY])){ |
| 452 |
return; |
| 453 |
} |
| 454 |
$data[self::ARRAY_RECURSIVE_KEY] = true; |
| 455 |
foreach ($data as $key => &$value){ |
| 456 |
if($key === self::ARRAY_RECURSIVE_KEY){ |
| 457 |
continue; |
| 458 |
} |
| 459 |
static::unwrapClosures($value, $storage); |
| 460 |
} |
| 461 |
unset($data[self::ARRAY_RECURSIVE_KEY]); |
| 462 |
}elseif ($data instanceof \stdClass){ |
| 463 |
if(isset($storage[$data])){ |
| 464 |
return; |
| 465 |
} |
| 466 |
$storage[$data] = true; |
| 467 |
foreach ($data as &$property){ |
| 468 |
static::unwrapClosures($property, $storage); |
| 469 |
} |
| 470 |
} elseif (is_object($data) && !($data instanceof Closure)){ |
| 471 |
if(isset($storage[$data])){ |
| 472 |
return; |
| 473 |
} |
| 474 |
$storage[$data] = true; |
| 475 |
$reflection = new ReflectionObject($data); |
| 476 |
|
| 477 |
do{ |
| 478 |
if(!$reflection->isUserDefined()){ |
| 479 |
break; |
| 480 |
} |
| 481 |
foreach ($reflection->getProperties() as $property){ |
| 482 |
if($property->isStatic() || !$property->getDeclaringClass()->isUserDefined()){ |
| 483 |
continue; |
| 484 |
} |
| 485 |
$property->setAccessible(true); |
| 486 |
if (PHP_VERSION >= 7.4 && !$property->isInitialized($data)) { |
| 487 |
continue; |
| 488 |
} |
| 489 |
$value = $property->getValue($data); |
| 490 |
if(is_array($value) || is_object($value)){ |
| 491 |
static::unwrapClosures($value, $storage); |
| 492 |
$property->setValue($data, $value); |
| 493 |
} |
| 494 |
}; |
| 495 |
} while($reflection = $reflection->getParentClass()); |
| 496 |
} |
| 497 |
} |
| 498 |
|
| 499 |
/** |
| 500 |
* Creates a new closure from arbitrary code, |
| 501 |
* emulating create_function, but without using eval |
| 502 |
* |
| 503 |
* @param string$args |
| 504 |
* @param string $code |
| 505 |
* @return Closure |
| 506 |
*/ |
| 507 |
public static function createClosure($args, $code) |
| 508 |
{ |
| 509 |
ClosureStream::register(); |
| 510 |
return include(ClosureStream::STREAM_PROTO . '://function(' . $args. '){' . $code . '};'); |
| 511 |
} |
| 512 |
|
| 513 |
/** |
| 514 |
* Internal method used to map closure pointers |
| 515 |
* @internal |
| 516 |
* @param $data |
| 517 |
*/ |
| 518 |
protected function mapPointers(&$data) |
| 519 |
{ |
| 520 |
$scope = $this->scope; |
| 521 |
|
| 522 |
if ($data instanceof static) { |
| 523 |
$data = &$data->closure; |
| 524 |
} elseif (is_array($data)) { |
| 525 |
if(isset($data[self::ARRAY_RECURSIVE_KEY])){ |
| 526 |
return; |
| 527 |
} |
| 528 |
$data[self::ARRAY_RECURSIVE_KEY] = true; |
| 529 |
foreach ($data as $key => &$value){ |
| 530 |
if($key === self::ARRAY_RECURSIVE_KEY){ |
| 531 |
continue; |
| 532 |
} elseif ($value instanceof static) { |
| 533 |
$data[$key] = &$value->closure; |
| 534 |
} elseif ($value instanceof SelfReference && $value->hash === $this->code['self']){ |
| 535 |
$data[$key] = &$this->closure; |
| 536 |
} else { |
| 537 |
$this->mapPointers($value); |
| 538 |
} |
| 539 |
} |
| 540 |
unset($value); |
| 541 |
unset($data[self::ARRAY_RECURSIVE_KEY]); |
| 542 |
} elseif ($data instanceof \stdClass) { |
| 543 |
if(isset($scope[$data])){ |
| 544 |
return; |
| 545 |
} |
| 546 |
$scope[$data] = true; |
| 547 |
foreach ($data as $key => &$value){ |
| 548 |
if ($value instanceof SelfReference && $value->hash === $this->code['self']){ |
| 549 |
$data->{$key} = &$this->closure; |
| 550 |
} elseif(is_array($value) || is_object($value)) { |
| 551 |
$this->mapPointers($value); |
| 552 |
} |
| 553 |
} |
| 554 |
unset($value); |
| 555 |
} elseif (is_object($data) && !($data instanceof Closure)){ |
| 556 |
if(isset($scope[$data])){ |
| 557 |
return; |
| 558 |
} |
| 559 |
$scope[$data] = true; |
| 560 |
$reflection = new ReflectionObject($data); |
| 561 |
do{ |
| 562 |
if(!$reflection->isUserDefined()){ |
| 563 |
break; |
| 564 |
} |
| 565 |
foreach ($reflection->getProperties() as $property){ |
| 566 |
if($property->isStatic() || !$property->getDeclaringClass()->isUserDefined()){ |
| 567 |
continue; |
| 568 |
} |
| 569 |
$property->setAccessible(true); |
| 570 |
if (PHP_VERSION >= 7.4 && !$property->isInitialized($data)) { |
| 571 |
continue; |
| 572 |
} |
| 573 |
$item = $property->getValue($data); |
| 574 |
if ($item instanceof SerializableClosure || ($item instanceof SelfReference && $item->hash === $this->code['self'])) { |
| 575 |
$this->code['objects'][] = array( |
| 576 |
'instance' => $data, |
| 577 |
'property' => $property, |
| 578 |
'object' => $item instanceof SelfReference ? $this : $item, |
| 579 |
); |
| 580 |
} elseif (is_array($item) || is_object($item)) { |
| 581 |
$this->mapPointers($item); |
| 582 |
$property->setValue($data, $item); |
| 583 |
} |
| 584 |
} |
| 585 |
} while($reflection = $reflection->getParentClass()); |
| 586 |
} |
| 587 |
} |
| 588 |
|
| 589 |
/** |
| 590 |
* Internal method used to map closures by reference |
| 591 |
* |
| 592 |
* @internal |
| 593 |
* @param mixed &$data |
| 594 |
*/ |
| 595 |
protected function mapByReference(&$data) |
| 596 |
{ |
| 597 |
if ($data instanceof Closure) { |
| 598 |
if($data === $this->closure){ |
| 599 |
$data = new SelfReference($this->reference); |
| 600 |
return; |
| 601 |
} |
| 602 |
|
| 603 |
if (isset($this->scope[$data])) { |
| 604 |
$data = $this->scope[$data]; |
| 605 |
return; |
| 606 |
} |
| 607 |
|
| 608 |
$instance = new static($data); |
| 609 |
|
| 610 |
if (static::$context !== null) { |
| 611 |
static::$context->scope->toserialize--; |
| 612 |
} else { |
| 613 |
$instance->scope = $this->scope; |
| 614 |
} |
| 615 |
|
| 616 |
$data = $this->scope[$data] = $instance; |
| 617 |
} elseif (is_array($data)) { |
| 618 |
if(isset($data[self::ARRAY_RECURSIVE_KEY])){ |
| 619 |
return; |
| 620 |
} |
| 621 |
$data[self::ARRAY_RECURSIVE_KEY] = true; |
| 622 |
foreach ($data as $key => &$value){ |
| 623 |
if($key === self::ARRAY_RECURSIVE_KEY){ |
| 624 |
continue; |
| 625 |
} |
| 626 |
$this->mapByReference($value); |
| 627 |
} |
| 628 |
unset($value); |
| 629 |
unset($data[self::ARRAY_RECURSIVE_KEY]); |
| 630 |
} elseif ($data instanceof \stdClass) { |
| 631 |
if(isset($this->scope[$data])){ |
| 632 |
$data = $this->scope[$data]; |
| 633 |
return; |
| 634 |
} |
| 635 |
$instance = $data; |
| 636 |
$this->scope[$instance] = $data = clone($data); |
| 637 |
|
| 638 |
foreach ($data as &$value){ |
| 639 |
$this->mapByReference($value); |
| 640 |
} |
| 641 |
unset($value); |
| 642 |
} elseif (is_object($data) && !$data instanceof SerializableClosure){ |
| 643 |
if(isset($this->scope[$data])){ |
| 644 |
$data = $this->scope[$data]; |
| 645 |
return; |
| 646 |
} |
| 647 |
|
| 648 |
$instance = $data; |
| 649 |
$reflection = new ReflectionObject($data); |
| 650 |
if(!$reflection->isUserDefined()){ |
| 651 |
$this->scope[$instance] = $data; |
| 652 |
return; |
| 653 |
} |
| 654 |
$this->scope[$instance] = $data = $reflection->newInstanceWithoutConstructor(); |
| 655 |
|
| 656 |
do{ |
| 657 |
if(!$reflection->isUserDefined()){ |
| 658 |
break; |
| 659 |
} |
| 660 |
foreach ($reflection->getProperties() as $property){ |
| 661 |
if($property->isStatic() || !$property->getDeclaringClass()->isUserDefined()){ |
| 662 |
continue; |
| 663 |
} |
| 664 |
$property->setAccessible(true); |
| 665 |
if (PHP_VERSION >= 7.4 && !$property->isInitialized($instance)) { |
| 666 |
continue; |
| 667 |
} |
| 668 |
$value = $property->getValue($instance); |
| 669 |
if(is_array($value) || is_object($value)){ |
| 670 |
$this->mapByReference($value); |
| 671 |
} |
| 672 |
$property->setValue($data, $value); |
| 673 |
} |
| 674 |
} while($reflection = $reflection->getParentClass()); |
| 675 |
} |
| 676 |
} |
| 677 |
|
| 678 |
} |
| 679 |
|
