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Edit File : SerializableClosure.php \| Size : 20.84 KB
<?php /* =========================================================================== * Copyright (c) 2018-2019 Zindex Software * * Licensed under the MIT License * =========================================================================== / namespace Opis\Closure; use Closure; use Serializable; use SplObjectStorage; use ReflectionObject; /* * Provides a wrapper for serialization of closures / class SerializableClosure implements Serializable { /* * @var Closure Wrapped closure * * @see \Opis\Closure\SerializableClosure::getClosure() / protected $closure; /* * @var ReflectionClosure A reflection instance for closure * * @see \Opis\Closure\SerializableClosure::getReflector() / protected $reflector; /* * @var mixed Used at deserialization to hold variables * * @see \Opis\Closure\SerializableClosure::unserialize() * @see \Opis\Closure\SerializableClosure::getReflector() / protected $code; /* * @var string Closure's ID / protected $reference; /* * @var string Closure scope / protected $scope; /* * @var ClosureContext Context of closure, used in serialization / protected static $context; /* * @var ISecurityProvider\|null / protected static $securityProvider; /* Array recursive constant/ const ARRAY_RECURSIVE_KEY = '¯\_(ツ)_/¯'; /* * Constructor * * @param Closure $closure Closure you want to serialize / public function __construct(Closure $closure) { $this->closure = $closure; if (static::$context !== null) { $this->scope = static::$context->scope; $this->scope->toserialize++; } } /* * Get the Closure object * * @return Closure The wrapped closure / public function getClosure() { return $this->closure; } /* * Get the reflector for closure * * @return ReflectionClosure / public function getReflector() { if ($this->reflector === null) { $this->reflector = new ReflectionClosure($this->closure, $this->code); $this->code = null; } return $this->reflector; } /* * Implementation of magic method __invoke() / public function __invoke() { return call_user_func_array($this->closure, func_get_args()); } /* * Implementation of Serializable::serialize() * * @return string The serialized closure / public function serialize() { if ($this->scope === null) { $this->scope = new ClosureScope(); $this->scope->toserialize++; } $this->scope->serializations++; $scope = $object = null; $reflector = $this->getReflector(); if($reflector->isBindingRequired()){ $object = $reflector->getClosureThis(); static::wrapClosures($object, $this->scope); if($scope = $reflector->getClosureScopeClass()){ $scope = $scope->name; } } else { if($scope = $reflector->getClosureScopeClass()){ $scope = $scope->name; } } $this->reference = spl_object_hash($this->closure); $this->scope[$this->closure] = $this; $use = $this->transformUseVariables($reflector->getUseVariables()); $code = $reflector->getCode(); $this->mapByReference($use); $ret = \serialize(array( 'use' => $use, 'function' => $code, 'scope' => $scope, 'this' => $object, 'self' => $this->reference, )); if (static::$securityProvider !== null) { $data = static::$securityProvider->sign($ret); $ret = '@' . $data['hash'] . '.' . $data['closure']; } if (!--$this->scope->serializations && !--$this->scope->toserialize) { $this->scope = null; } return $ret; } /* * Transform the use variables before serialization. * * @param array $data The Closure's use variables * @return array / protected function transformUseVariables($data) { return $data; } /* * Implementation of Serializable::unserialize() * * @param string $data Serialized data * @throws SecurityException / public function unserialize($data) { ClosureStream::register(); if (static::$securityProvider !== null) { if ($data[0] !== '@') { throw new SecurityException("The serialized closure is not signed. ". "Make sure you use a security provider for both serialization and unserialization."); } if ($data[1] !== '{') { $separator = strpos($data, '.'); if ($separator === false) { throw new SecurityException('Invalid signed closure'); } $hash = substr($data, 1, $separator - 1); $closure = substr($data, $separator + 1); $data = ['hash' => $hash, 'closure' => $closure]; unset($hash, $closure); } else { $data = json_decode(substr($data, 1), true); } if (!is_array($data) \|\| !static::$securityProvider->verify($data)) { throw new SecurityException("Your serialized closure might have been modified and it's unsafe to be unserialized. " . "Make sure you use the same security provider, with the same settings, " . "both for serialization and unserialization."); } $data = $data['closure']; } elseif ($data[0] === '@') { if ($data[1] !== '{') { $separator = strpos($data, '.'); if ($separator === false) { throw new SecurityException('Invalid signed closure'); } $hash = substr($data, 1, $separator - 1); $closure = substr($data, $separator + 1); $data = ['hash' => $hash, 'closure' => $closure]; unset($hash, $closure); } else { $data = json_decode(substr($data, 1), true); } if (!is_array($data) \|\| !isset($data['closure']) \|\| !isset($data['hash'])) { throw new SecurityException('Invalid signed closure'); } $data = $data['closure']; } $this->code = \unserialize($data); // unset data unset($data); $this->code['objects'] = array(); if ($this->code['use']) { $this->scope = new ClosureScope(); $this->code['use'] = $this->resolveUseVariables($this->code['use']); $this->mapPointers($this->code['use']); extract($this->code['use'], EXTR_OVERWRITE \| EXTR_REFS); $this->scope = null; } $this->closure = include(ClosureStream::STREAM_PROTO . '://' . $this->code['function']); if($this->code['this'] === $this){ $this->code['this'] = null; } $this->closure = $this->closure->bindTo($this->code['this'], $this->code['scope']); if(!empty($this->code['objects'])){ foreach ($this->code['objects'] as $item){ $item['property']->setValue($item['instance'], $item['object']->getClosure()); } } $this->code = $this->code['function']; } /* * Resolve the use variables after unserialization. * * @param array $data The Closure's transformed use variables * @return array / protected function resolveUseVariables($data) { return $data; } /* * Wraps a closure and sets the serialization context (if any) * * @param Closure $closure Closure to be wrapped * * @return self The wrapped closure / public static function from(Closure $closure) { if (static::$context === null) { $instance = new static($closure); } elseif (isset(static::$context->scope[$closure])) { $instance = static::$context->scope[$closure]; } else { $instance = new static($closure); static::$context->scope[$closure] = $instance; } return $instance; } /* * Increments the context lock counter or creates a new context if none exist / public static function enterContext() { if (static::$context === null) { static::$context = new ClosureContext(); } static::$context->locks++; } /* * Decrements the context lock counter and destroy the context when it reaches to 0 / public static function exitContext() { if (static::$context !== null && !--static::$context->locks) { static::$context = null; } } /* * @param string $secret / public static function setSecretKey($secret) { if(static::$securityProvider === null){ static::$securityProvider = new SecurityProvider($secret); } } /* * @param ISecurityProvider $securityProvider / public static function addSecurityProvider(ISecurityProvider $securityProvider) { static::$securityProvider = $securityProvider; } /* * Remove security provider / public static function removeSecurityProvider() { static::$securityProvider = null; } /* * @return null\|ISecurityProvider / public static function getSecurityProvider() { return static::$securityProvider; } /* * Wrap closures * * @internal * @param $data * @param ClosureScope\|SplObjectStorage\|null $storage / public static function wrapClosures(&$data, SplObjectStorage $storage = null) { if($storage === null){ $storage = static::$context->scope; } if($data instanceof Closure){ $data = static::from($data); } elseif (is_array($data)){ if(isset($data[self::ARRAY_RECURSIVE_KEY])){ return; } $data[self::ARRAY_RECURSIVE_KEY] = true; foreach ($data as $key => &$value){ if($key === self::ARRAY_RECURSIVE_KEY){ continue; } static::wrapClosures($value, $storage); } unset($value); unset($data[self::ARRAY_RECURSIVE_KEY]); } elseif($data instanceof \stdClass){ if(isset($storage[$data])){ $data = $storage[$data]; return; } $data = $storage[$data] = clone($data); foreach ($data as &$value){ static::wrapClosures($value, $storage); } unset($value); } elseif (is_object($data) && ! $data instanceof static){ if(isset($storage[$data])){ $data = $storage[$data]; return; } $instance = $data; $reflection = new ReflectionObject($instance); if(!$reflection->isUserDefined()){ $storage[$instance] = $data; return; } $storage[$instance] = $data = $reflection->newInstanceWithoutConstructor(); do{ if(!$reflection->isUserDefined()){ break; } foreach ($reflection->getProperties() as $property){ if($property->isStatic() \|\| !$property->getDeclaringClass()->isUserDefined()){ continue; } $property->setAccessible(true); if (PHP_VERSION >= 7.4 && !$property->isInitialized($instance)) { continue; } $value = $property->getValue($instance); if(is_array($value) \|\| is_object($value)){ static::wrapClosures($value, $storage); } $property->setValue($data, $value); }; } while($reflection = $reflection->getParentClass()); } } /* * Unwrap closures * * @internal * @param $data * @param SplObjectStorage\|null $storage / public static function unwrapClosures(&$data, SplObjectStorage $storage = null) { if($storage === null){ $storage = static::$context->scope; } if($data instanceof static){ $data = $data->getClosure(); } elseif (is_array($data)){ if(isset($data[self::ARRAY_RECURSIVE_KEY])){ return; } $data[self::ARRAY_RECURSIVE_KEY] = true; foreach ($data as $key => &$value){ if($key === self::ARRAY_RECURSIVE_KEY){ continue; } static::unwrapClosures($value, $storage); } unset($data[self::ARRAY_RECURSIVE_KEY]); }elseif ($data instanceof \stdClass){ if(isset($storage[$data])){ return; } $storage[$data] = true; foreach ($data as &$property){ static::unwrapClosures($property, $storage); } } elseif (is_object($data) && !($data instanceof Closure)){ if(isset($storage[$data])){ return; } $storage[$data] = true; $reflection = new ReflectionObject($data); do{ if(!$reflection->isUserDefined()){ break; } foreach ($reflection->getProperties() as $property){ if($property->isStatic() \|\| !$property->getDeclaringClass()->isUserDefined()){ continue; } $property->setAccessible(true); if (PHP_VERSION >= 7.4 && !$property->isInitialized($data)) { continue; } $value = $property->getValue($data); if(is_array($value) \|\| is_object($value)){ static::unwrapClosures($value, $storage); $property->setValue($data, $value); } }; } while($reflection = $reflection->getParentClass()); } } /* * Creates a new closure from arbitrary code, * emulating create_function, but without using eval * * @param string$args * @param string $code * @return Closure / public static function createClosure($args, $code) { ClosureStream::register(); return include(ClosureStream::STREAM_PROTO . '://function(' . $args. '){' . $code . '};'); } /* * Internal method used to map closure pointers * @internal * @param $data / protected function mapPointers(&$data) { $scope = $this->scope; if ($data instanceof static) { $data = &$data->closure; } elseif (is_array($data)) { if(isset($data[self::ARRAY_RECURSIVE_KEY])){ return; } $data[self::ARRAY_RECURSIVE_KEY] = true; foreach ($data as $key => &$value){ if($key === self::ARRAY_RECURSIVE_KEY){ continue; } elseif ($value instanceof static) { $data[$key] = &$value->closure; } elseif ($value instanceof SelfReference && $value->hash === $this->code['self']){ $data[$key] = &$this->closure; } else { $this->mapPointers($value); } } unset($value); unset($data[self::ARRAY_RECURSIVE_KEY]); } elseif ($data instanceof \stdClass) { if(isset($scope[$data])){ return; } $scope[$data] = true; foreach ($data as $key => &$value){ if ($value instanceof SelfReference && $value->hash === $this->code['self']){ $data->{$key} = &$this->closure; } elseif(is_array($value) \|\| is_object($value)) { $this->mapPointers($value); } } unset($value); } elseif (is_object($data) && !($data instanceof Closure)){ if(isset($scope[$data])){ return; } $scope[$data] = true; $reflection = new ReflectionObject($data); do{ if(!$reflection->isUserDefined()){ break; } foreach ($reflection->getProperties() as $property){ if($property->isStatic() \|\| !$property->getDeclaringClass()->isUserDefined()){ continue; } $property->setAccessible(true); if (PHP_VERSION >= 7.4 && !$property->isInitialized($data)) { continue; } $item = $property->getValue($data); if ($item instanceof SerializableClosure \|\| ($item instanceof SelfReference && $item->hash === $this->code['self'])) { $this->code['objects'][] = array( 'instance' => $data, 'property' => $property, 'object' => $item instanceof SelfReference ? $this : $item, ); } elseif (is_array($item) \|\| is_object($item)) { $this->mapPointers($item); $property->setValue($data, $item); } } } while($reflection = $reflection->getParentClass()); } } /* * Internal method used to map closures by reference * * @internal * @param mixed &$data */ protected function mapByReference(&$data) { if ($data instanceof Closure) { if($data === $this->closure){ $data = new SelfReference($this->reference); return; } if (isset($this->scope[$data])) { $data = $this->scope[$data]; return; } $instance = new static($data); if (static::$context !== null) { static::$context->scope->toserialize--; } else { $instance->scope = $this->scope; } $data = $this->scope[$data] = $instance; } elseif (is_array($data)) { if(isset($data[self::ARRAY_RECURSIVE_KEY])){ return; } $data[self::ARRAY_RECURSIVE_KEY] = true; foreach ($data as $key => &$value){ if($key === self::ARRAY_RECURSIVE_KEY){ continue; } $this->mapByReference($value); } unset($value); unset($data[self::ARRAY_RECURSIVE_KEY]); } elseif ($data instanceof \stdClass) { if(isset($this->scope[$data])){ $data = $this->scope[$data]; return; } $instance = $data; $this->scope[$instance] = $data = clone($data); foreach ($data as &$value){ $this->mapByReference($value); } unset($value); } elseif (is_object($data) && !$data instanceof SerializableClosure){ if(isset($this->scope[$data])){ $data = $this->scope[$data]; return; } $instance = $data; $reflection = new ReflectionObject($data); if(!$reflection->isUserDefined()){ $this->scope[$instance] = $data; return; } $this->scope[$instance] = $data = $reflection->newInstanceWithoutConstructor(); do{ if(!$reflection->isUserDefined()){ break; } foreach ($reflection->getProperties() as $property){ if($property->isStatic() \|\| !$property->getDeclaringClass()->isUserDefined()){ continue; } $property->setAccessible(true); if (PHP_VERSION >= 7.4 && !$property->isInitialized($instance)) { continue; } $value = $property->getValue($instance); if(is_array($value) \|\| is_object($value)){ $this->mapByReference($value); } $property->setValue($data, $value); } } while($reflection = $reflection->getParentClass()); } } } Back

Edit File : SerializableClosure.php | Size : 20.84 KB

<?php
/* ===========================================================================
 * Copyright (c) 2018-2019 Zindex Software
 *
 * Licensed under the MIT License
 * =========================================================================== */

namespace Opis\Closure;

use Closure;
use Serializable;
use SplObjectStorage;
use ReflectionObject;

/**
 * Provides a wrapper for serialization of closures
 */
class SerializableClosure implements Serializable
{
    /**
     * @var Closure Wrapped closure
     *
     * @see \Opis\Closure\SerializableClosure::getClosure()
     */
    protected $closure;

/**
     * @var ReflectionClosure A reflection instance for closure
     *
     * @see \Opis\Closure\SerializableClosure::getReflector()
     */
    protected $reflector;

/**
     * @var mixed Used at deserialization to hold variables
     *
     * @see \Opis\Closure\SerializableClosure::unserialize()
     * @see \Opis\Closure\SerializableClosure::getReflector()
     */
    protected $code;

/**
     * @var string Closure's ID
     */
    protected $reference;

/**
     * @var string Closure scope
     */
    protected $scope;

/**
     * @var ClosureContext Context of closure, used in serialization
     */
    protected static $context;

/**
     * @var ISecurityProvider|null
     */
    protected static $securityProvider;

/** Array recursive constant*/
    const ARRAY_RECURSIVE_KEY = '¯\_(ツ)_/¯';

/**
     * Constructor
     *
     * @param   Closure $closure Closure you want to serialize
     */
    public function __construct(Closure $closure)
    {
        $this->closure = $closure;
        if (static::$context !== null) {
            $this->scope = static::$context->scope;
            $this->scope->toserialize++;
        }
    }

/**
     * Get the Closure object
     *
     * @return  Closure The wrapped closure
     */
    public function getClosure()
    {
        return $this->closure;
    }

/**
     * Get the reflector for closure
     *
     * @return  ReflectionClosure
     */
    public function getReflector()
    {
        if ($this->reflector === null) {
            $this->reflector = new ReflectionClosure($this->closure, $this->code);
            $this->code = null;
        }

return $this->reflector;
    }

/**
     * Implementation of magic method __invoke()
     */
    public function __invoke()
    {
        return call_user_func_array($this->closure, func_get_args());
    }

/**
     * Implementation of Serializable::serialize()
     *
     * @return  string  The serialized closure
     */
    public function serialize()
    {
        if ($this->scope === null) {
            $this->scope = new ClosureScope();
            $this->scope->toserialize++;
        }

$this->scope->serializations++;

$scope = $object = null;
        $reflector = $this->getReflector();

if($reflector->isBindingRequired()){
            $object = $reflector->getClosureThis();
            static::wrapClosures($object, $this->scope);
            if($scope = $reflector->getClosureScopeClass()){
                $scope = $scope->name;
            }
        } else {
            if($scope = $reflector->getClosureScopeClass()){
                $scope = $scope->name;
            }
        }

$this->reference = spl_object_hash($this->closure);

$this->scope[$this->closure] = $this;

$use = $this->transformUseVariables($reflector->getUseVariables());
        $code = $reflector->getCode();

$this->mapByReference($use);

$ret = \serialize(array(
            'use' => $use,
            'function' => $code,
            'scope' => $scope,
            'this' => $object,
            'self' => $this->reference,
        ));

if (static::$securityProvider !== null) {
            $data = static::$securityProvider->sign($ret);
            $ret =  '@' . $data['hash'] . '.' . $data['closure'];
        }

if (!--$this->scope->serializations && !--$this->scope->toserialize) {
            $this->scope = null;
        }

return $ret;
    }

/**
     * Transform the use variables before serialization.
     *
     * @param  array  $data The Closure's use variables
     * @return array
     */
    protected function transformUseVariables($data)
    {
        return $data;
    }

/**
     * Implementation of Serializable::unserialize()
     *
     * @param   string $data Serialized data
     * @throws SecurityException
     */
    public function unserialize($data)
    {
        ClosureStream::register();

if (static::$securityProvider !== null) {
            if ($data[0] !== '@') {
                throw new SecurityException("The serialized closure is not signed. ".
                    "Make sure you use a security provider for both serialization and unserialization.");
            }

if ($data[1] !== '{') {
                $separator = strpos($data, '.');
                if ($separator === false) {
                    throw new SecurityException('Invalid signed closure');
                }
                $hash = substr($data, 1, $separator - 1);
                $closure = substr($data, $separator + 1);

$data = ['hash' => $hash, 'closure' => $closure];

unset($hash, $closure);
            } else {
                $data = json_decode(substr($data, 1), true);
            }

if (!is_array($data) || !static::$securityProvider->verify($data)) {
                throw new SecurityException("Your serialized closure might have been modified and it's unsafe to be unserialized. " .
                    "Make sure you use the same security provider, with the same settings, " .
                    "both for serialization and unserialization.");
            }

$data = $data['closure'];
        } elseif ($data[0] === '@') {
            if ($data[1] !== '{') {
                $separator = strpos($data, '.');
                if ($separator === false) {
                    throw new SecurityException('Invalid signed closure');
                }
                $hash = substr($data, 1, $separator - 1);
                $closure = substr($data, $separator + 1);

$data = ['hash' => $hash, 'closure' => $closure];

unset($hash, $closure);
            } else {
                $data = json_decode(substr($data, 1), true);
            }

if (!is_array($data) || !isset($data['closure']) || !isset($data['hash'])) {
                throw new SecurityException('Invalid signed closure');
            }

$data = $data['closure'];
        }

$this->code = \unserialize($data);

// unset data
        unset($data);

$this->code['objects'] = array();

if ($this->code['use']) {
            $this->scope = new ClosureScope();
            $this->code['use'] = $this->resolveUseVariables($this->code['use']);
            $this->mapPointers($this->code['use']);
            extract($this->code['use'], EXTR_OVERWRITE | EXTR_REFS);
            $this->scope = null;
        }

$this->closure = include(ClosureStream::STREAM_PROTO . '://' . $this->code['function']);

if($this->code['this'] === $this){
            $this->code['this'] = null;
        }

$this->closure = $this->closure->bindTo($this->code['this'], $this->code['scope']);

if(!empty($this->code['objects'])){
            foreach ($this->code['objects'] as $item){
                $item['property']->setValue($item['instance'], $item['object']->getClosure());
            }
        }

$this->code = $this->code['function'];
    }

/**
     * Resolve the use variables after unserialization.
     *
     * @param  array  $data The Closure's transformed use variables
     * @return array
     */
    protected function resolveUseVariables($data)
    {
        return $data;
    }

/**
     * Wraps a closure and sets the serialization context (if any)
     *
     * @param   Closure $closure Closure to be wrapped
     *
     * @return  self    The wrapped closure
     */
    public static function from(Closure $closure)
    {
        if (static::$context === null) {
            $instance = new static($closure);
        } elseif (isset(static::$context->scope[$closure])) {
            $instance = static::$context->scope[$closure];
        } else {
            $instance = new static($closure);
            static::$context->scope[$closure] = $instance;
        }

return $instance;
    }

/**
     * Increments the context lock counter or creates a new context if none exist
     */
    public static function enterContext()
    {
        if (static::$context === null) {
            static::$context = new ClosureContext();
        }

static::$context->locks++;
    }

/**
     * Decrements the context lock counter and destroy the context when it reaches to 0
     */
    public static function exitContext()
    {
        if (static::$context !== null && !--static::$context->locks) {
            static::$context = null;
        }
    }

/**
     * @param string $secret
     */
    public static function setSecretKey($secret)
    {
        if(static::$securityProvider === null){
            static::$securityProvider = new SecurityProvider($secret);
        }
    }

/**
     * @param ISecurityProvider $securityProvider
     */
    public static function addSecurityProvider(ISecurityProvider $securityProvider)
    {
        static::$securityProvider = $securityProvider;
    }

/**
     * Remove security provider
     */
    public static function removeSecurityProvider()
    {
        static::$securityProvider = null;
    }

/**
     * @return null|ISecurityProvider
     */
    public static function getSecurityProvider()
    {
        return static::$securityProvider;
    }

/**
     * Wrap closures
     *
     * @internal
     * @param $data
     * @param ClosureScope|SplObjectStorage|null $storage
     */
    public static function wrapClosures(&$data, SplObjectStorage $storage = null)
    {
        if($storage === null){
            $storage = static::$context->scope;
        }

if($data instanceof Closure){
            $data = static::from($data);
        } elseif (is_array($data)){
            if(isset($data[self::ARRAY_RECURSIVE_KEY])){
                return;
            }
            $data[self::ARRAY_RECURSIVE_KEY] = true;
            foreach ($data as $key => &$value){
                if($key === self::ARRAY_RECURSIVE_KEY){
                    continue;
                }
                static::wrapClosures($value, $storage);
            }
            unset($value);
            unset($data[self::ARRAY_RECURSIVE_KEY]);
        } elseif($data instanceof \stdClass){
            if(isset($storage[$data])){
                $data = $storage[$data];
                return;
            }
            $data = $storage[$data] = clone($data);
            foreach ($data as &$value){
                static::wrapClosures($value, $storage);
            }
            unset($value);
        } elseif (is_object($data) && ! $data instanceof static){
            if(isset($storage[$data])){
                $data = $storage[$data];
                return;
            }
            $instance = $data;
            $reflection = new ReflectionObject($instance);
            if(!$reflection->isUserDefined()){
                $storage[$instance] = $data;
                return;
            }
            $storage[$instance] = $data = $reflection->newInstanceWithoutConstructor();

do{
                if(!$reflection->isUserDefined()){
                    break;
                }
                foreach ($reflection->getProperties() as $property){
                    if($property->isStatic() || !$property->getDeclaringClass()->isUserDefined()){
                        continue;
                    }
                    $property->setAccessible(true);
                    if (PHP_VERSION >= 7.4 && !$property->isInitialized($instance)) {
                        continue;
                    }
                    $value = $property->getValue($instance);
                    if(is_array($value) || is_object($value)){
                        static::wrapClosures($value, $storage);
                    }
                    $property->setValue($data, $value);
                };
            } while($reflection = $reflection->getParentClass());
        }
    }

/**
     * Unwrap closures
     *
     * @internal
     * @param $data
     * @param SplObjectStorage|null $storage
     */
    public static function unwrapClosures(&$data, SplObjectStorage $storage = null)
    {
        if($storage === null){
            $storage = static::$context->scope;
        }

if($data instanceof static){
            $data = $data->getClosure();
        } elseif (is_array($data)){
            if(isset($data[self::ARRAY_RECURSIVE_KEY])){
                return;
            }
            $data[self::ARRAY_RECURSIVE_KEY] = true;
            foreach ($data as $key => &$value){
                if($key === self::ARRAY_RECURSIVE_KEY){
                    continue;
                }
                static::unwrapClosures($value, $storage);
            }
            unset($data[self::ARRAY_RECURSIVE_KEY]);
        }elseif ($data instanceof \stdClass){
            if(isset($storage[$data])){
                return;
            }
            $storage[$data] = true;
            foreach ($data as &$property){
                static::unwrapClosures($property, $storage);
            }
        } elseif (is_object($data) && !($data instanceof Closure)){
            if(isset($storage[$data])){
                return;
            }
            $storage[$data] = true;
            $reflection = new ReflectionObject($data);

do{
                if(!$reflection->isUserDefined()){
                    break;
                }
                foreach ($reflection->getProperties() as $property){
                    if($property->isStatic() || !$property->getDeclaringClass()->isUserDefined()){
                        continue;
                    }
                    $property->setAccessible(true);
                    if (PHP_VERSION >= 7.4 && !$property->isInitialized($data)) {
                        continue;
                    }
                    $value = $property->getValue($data);
                    if(is_array($value) || is_object($value)){
                        static::unwrapClosures($value, $storage);
                        $property->setValue($data, $value);
                    }
                };
            } while($reflection = $reflection->getParentClass());
        }
    }

/**
     * Creates a new closure from arbitrary code,
     * emulating create_function, but without using eval
     *
     * @param string$args
     * @param string $code
     * @return Closure
     */
    public static function createClosure($args, $code)
    {
        ClosureStream::register();
        return include(ClosureStream::STREAM_PROTO . '://function(' . $args. '){' . $code . '};');
    }

/**
     * Internal method used to map closure pointers
     * @internal
     * @param $data
     */
    protected function mapPointers(&$data)
    {
        $scope = $this->scope;

if ($data instanceof static) {
            $data = &$data->closure;
        } elseif (is_array($data)) {
            if(isset($data[self::ARRAY_RECURSIVE_KEY])){
                return;
            }
            $data[self::ARRAY_RECURSIVE_KEY] = true;
            foreach ($data as $key => &$value){
                if($key === self::ARRAY_RECURSIVE_KEY){
                    continue;
                } elseif ($value instanceof static) {
                    $data[$key] = &$value->closure;
                } elseif ($value instanceof SelfReference && $value->hash === $this->code['self']){
                    $data[$key] = &$this->closure;
                } else {
                    $this->mapPointers($value);
                }
            }
            unset($value);
            unset($data[self::ARRAY_RECURSIVE_KEY]);
        } elseif ($data instanceof \stdClass) {
            if(isset($scope[$data])){
                return;
            }
            $scope[$data] = true;
            foreach ($data as $key => &$value){
                if ($value instanceof SelfReference && $value->hash === $this->code['self']){
                    $data->{$key} = &$this->closure;
                } elseif(is_array($value) || is_object($value)) {
                    $this->mapPointers($value);
                }
            }
            unset($value);
        } elseif (is_object($data) && !($data instanceof Closure)){
            if(isset($scope[$data])){
                return;
            }
            $scope[$data] = true;
            $reflection = new ReflectionObject($data);
            do{
                if(!$reflection->isUserDefined()){
                    break;
                }
                foreach ($reflection->getProperties() as $property){
                    if($property->isStatic() || !$property->getDeclaringClass()->isUserDefined()){
                        continue;
                    }
                    $property->setAccessible(true);
                    if (PHP_VERSION >= 7.4 && !$property->isInitialized($data)) {
                        continue;
                    }
                    $item = $property->getValue($data);
                    if ($item instanceof SerializableClosure || ($item instanceof SelfReference && $item->hash === $this->code['self'])) {
                        $this->code['objects'][] = array(
                            'instance' => $data,
                            'property' => $property,
                            'object' => $item instanceof SelfReference ? $this : $item,
                        );
                    } elseif (is_array($item) || is_object($item)) {
                        $this->mapPointers($item);
                        $property->setValue($data, $item);
                    }
                }
            } while($reflection = $reflection->getParentClass());
        }
    }

/**
     * Internal method used to map closures by reference
     *
     * @internal
     * @param   mixed &$data
     */
    protected function mapByReference(&$data)
    {
        if ($data instanceof Closure) {
            if($data === $this->closure){
                $data = new SelfReference($this->reference);
                return;
            }

if (isset($this->scope[$data])) {
                $data = $this->scope[$data];
                return;
            }

$instance = new static($data);

if (static::$context !== null) {
                static::$context->scope->toserialize--;
            } else {
                $instance->scope = $this->scope;
            }

$data = $this->scope[$data] = $instance;
        } elseif (is_array($data)) {
            if(isset($data[self::ARRAY_RECURSIVE_KEY])){
                return;
            }
            $data[self::ARRAY_RECURSIVE_KEY] = true;
            foreach ($data as $key => &$value){
                if($key === self::ARRAY_RECURSIVE_KEY){
                    continue;
                }
                $this->mapByReference($value);
            }
            unset($value);
            unset($data[self::ARRAY_RECURSIVE_KEY]);
        } elseif ($data instanceof \stdClass) {
            if(isset($this->scope[$data])){
                $data = $this->scope[$data];
                return;
            }
            $instance = $data;
            $this->scope[$instance] = $data = clone($data);

foreach ($data as &$value){
                $this->mapByReference($value);
            }
            unset($value);
        } elseif (is_object($data) && !$data instanceof SerializableClosure){
            if(isset($this->scope[$data])){
                $data = $this->scope[$data];
                return;
            }

$instance = $data;
            $reflection = new ReflectionObject($data);
            if(!$reflection->isUserDefined()){
                $this->scope[$instance] = $data;
                return;
            }
            $this->scope[$instance] = $data = $reflection->newInstanceWithoutConstructor();

do{
                if(!$reflection->isUserDefined()){
                    break;
                }
                foreach ($reflection->getProperties() as $property){
                    if($property->isStatic() || !$property->getDeclaringClass()->isUserDefined()){
                        continue;
                    }
                    $property->setAccessible(true);
                    if (PHP_VERSION >= 7.4 && !$property->isInitialized($instance)) {
                        continue;
                    }
                    $value = $property->getValue($instance);
                    if(is_array($value) || is_object($value)){
                        $this->mapByReference($value);
                    }
                    $property->setValue($data, $value);
                }
            } while($reflection = $reflection->getParentClass());
        }
    }

}

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