ivyforms / backend / vendor / laravel / serializable-closure / src / SerializableClosure.php

SerializableClosure.php in The Innovative Form Builder – IvyForms 0.2, at backend/vendor/laravel/serializable-closure/src/SerializableClosure.php

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1	<?php
2
3	namespace Laravel\SerializableClosure;
4
5	use Closure;
6	use Laravel\SerializableClosure\Exceptions\InvalidSignatureException;
7	use Laravel\SerializableClosure\Exceptions\PhpVersionNotSupportedException;
8	use Laravel\SerializableClosure\Serializers\Signed;
9	use Laravel\SerializableClosure\Signers\Hmac;
10
11	class SerializableClosure
12	{
13	/**
14	* The closure's serializable.
15	*
16	* @var \Laravel\SerializableClosure\Contracts\Serializable
17	*/
18	protected $serializable;
19
20	/**
21	* Creates a new serializable closure instance.
22	*
23	* @param \Closure $closure
24	* @return void
25	*/
26	public function __construct(Closure $closure)
27	{
28	if (\PHP_VERSION_ID < 70400) {
29	throw new PhpVersionNotSupportedException();
30	}
31
32	$this->serializable = Serializers\Signed::$signer
33	? new Serializers\Signed($closure)
34	: new Serializers\Native($closure);
35	}
36
37	/**
38	* Resolve the closure with the given arguments.
39	*
40	* @return mixed
41	*/
42	public function __invoke()
43	{
44	if (\PHP_VERSION_ID < 70400) {
45	throw new PhpVersionNotSupportedException();
46	}
47
48	return call_user_func_array($this->serializable, func_get_args());
49	}
50
51	/**
52	* Gets the closure.
53	*
54	* @return \Closure
55	*/
56	public function getClosure()
57	{
58	if (\PHP_VERSION_ID < 70400) {
59	throw new PhpVersionNotSupportedException();
60	}
61
62	return $this->serializable->getClosure();
63	}
64
65	/**
66	* Create a new unsigned serializable closure instance.
67	*
68	* @param Closure $closure
69	* @return \Laravel\SerializableClosure\UnsignedSerializableClosure
70	*/
71	public static function unsigned(Closure $closure)
72	{
73	return new UnsignedSerializableClosure($closure);
74	}
75
76	/**
77	* Sets the serializable closure secret key.
78	*
79	* @param string\|null $secret
80	* @return void
81	*/
82	public static function setSecretKey($secret)
83	{
84	Serializers\Signed::$signer = $secret
85	? new Hmac($secret)
86	: null;
87	}
88
89	/**
90	* Sets the serializable closure secret key.
91	*
92	* @param \Closure\|null $transformer
93	* @return void
94	*/
95	public static function transformUseVariablesUsing($transformer)
96	{
97	Serializers\Native::$transformUseVariables = $transformer;
98	}
99
100	/**
101	* Sets the serializable closure secret key.
102	*
103	* @param \Closure\|null $resolver
104	* @return void
105	*/
106	public static function resolveUseVariablesUsing($resolver)
107	{
108	Serializers\Native::$resolveUseVariables = $resolver;
109	}
110
111	/**
112	* Get the serializable representation of the closure.
113	*
114	* @return array
115	*/
116	public function __serialize()
117	{
118	return [
119	'serializable' => $this->serializable,
120	];
121	}
122
123	/**
124	* Restore the closure after serialization.
125	*
126	* @param array $data
127	* @return void
128	*
129	* @throws \Laravel\SerializableClosure\Exceptions\InvalidSignatureException
130	*/
131	public function __unserialize($data)
132	{
133	if (Signed::$signer && ! $data['serializable'] instanceof Signed) {
134	throw new InvalidSignatureException();
135	}
136
137	$this->serializable = $data['serializable'];
138	}
139	}
140