defender-security / vendor / php-di / invoker / src / ParameterResolver / ResolverChain.php

ResolverChain.php in Defender Security – Malware Scanner, Login Security & Firewall 3.1.0, at vendor/php-di/invoker/src/ParameterResolver/ResolverChain.php

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1	<?php
2
3	namespace Invoker\ParameterResolver;
4
5	use ReflectionFunctionAbstract;
6
7	/**
8	* Dispatches the call to other resolvers until all parameters are resolved.
9	*
10	* Chain of responsibility pattern.
11	*
12	* @author Matthieu Napoli <[email protected]>
13	*/
14	class ResolverChain implements ParameterResolver
15	{
16	/**
17	* @var ParameterResolver[]
18	*/
19	private $resolvers = array();
20
21	public function __construct(array $resolvers = array())
22	{
23	$this->resolvers = $resolvers;
24	}
25
26	public function getParameters(
27	ReflectionFunctionAbstract $reflection,
28	array $providedParameters,
29	array $resolvedParameters
30	) {
31	$reflectionParameters = $reflection->getParameters();
32
33	foreach ($this->resolvers as $resolver) {
34	$resolvedParameters = $resolver->getParameters(
35	$reflection,
36	$providedParameters,
37	$resolvedParameters
38	);
39
40	$diff = array_diff_key($reflectionParameters, $resolvedParameters);
41	if (empty($diff)) {
42	// Stop traversing: all parameters are resolved
43	return $resolvedParameters;
44	}
45	}
46
47	return $resolvedParameters;
48	}
49
50	/**
51	* Push a parameter resolver after the ones already registered.
52	*
53	* @param ParameterResolver $resolver
54	*/
55	public function appendResolver(ParameterResolver $resolver)
56	{
57	$this->resolvers[] = $resolver;
58	}
59
60	/**
61	* Insert a parameter resolver before the ones already registered.
62	*
63	* @param ParameterResolver $resolver
64	*/
65	public function prependResolver(ParameterResolver $resolver)
66	{
67	array_unshift($this->resolvers, $resolver);
68	}
69	}
70