67 lines
1.6 KiB
PHP
67 lines
1.6 KiB
PHP
<?php
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/*
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* This file is part of the Prophecy.
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* (c) Konstantin Kudryashov <ever.zet@gmail.com>
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* Marcello Duarte <marcello.duarte@gmail.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Prophecy\Promise;
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use Prophecy\Prophecy\ObjectProphecy;
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use Prophecy\Prophecy\MethodProphecy;
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use Prophecy\Exception\InvalidArgumentException;
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use Closure;
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/**
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* Callback promise.
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*
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* @author Konstantin Kudryashov <ever.zet@gmail.com>
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*/
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class CallbackPromise implements PromiseInterface
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{
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private $callback;
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/**
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* Initializes callback promise.
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*
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* @param callable $callback Custom callback
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*
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* @throws \Prophecy\Exception\InvalidArgumentException
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*/
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public function __construct($callback)
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{
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if (!is_callable($callback)) {
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throw new InvalidArgumentException(sprintf(
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'Callable expected as an argument to CallbackPromise, but got %s.',
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gettype($callback)
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));
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}
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$this->callback = $callback;
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}
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/**
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* Evaluates promise callback.
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*
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* @param array $args
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* @param ObjectProphecy $object
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* @param MethodProphecy $method
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*
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* @return mixed
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*/
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public function execute(array $args, ObjectProphecy $object, MethodProphecy $method)
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{
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$callback = $this->callback;
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if ($callback instanceof Closure && method_exists('Closure', 'bind')) {
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$callback = Closure::bind($callback, $object);
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}
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return call_user_func($callback, $args, $object, $method);
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}
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}
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