CallbackPromise.php in Zircon Profile 8

Namespace

Prophecy\Promise

File

vendor/phpspec/prophecy/src/Prophecy/Promise/CallbackPromise.php

<?php

/*
 * This file is part of the Prophecy.
 * (c) Konstantin Kudryashov <[e-mail]>
 *     Marcello Duarte <[e-mail]>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace Prophecy\Promise;

use Prophecy\Prophecy\ObjectProphecy;
use Prophecy\Prophecy\MethodProphecy;
use Prophecy\Exception\InvalidArgumentException;
use Closure;

/**
 * Callback promise.
 *
 * @author Konstantin Kudryashov <[e-mail]>
 */
class CallbackPromise implements PromiseInterface {
  private $callback;

  /**
   * Initializes callback promise.
   *
   * @param callable $callback Custom callback
   *
   * @throws \Prophecy\Exception\InvalidArgumentException
   */
  public function __construct($callback) {
    if (!is_callable($callback)) {
      throw new InvalidArgumentException(sprintf('Callable expected as an argument to CallbackPromise, but got %s.', gettype($callback)));
    }
    $this->callback = $callback;
  }

  /**
   * Evaluates promise callback.
   *
   * @param array          $args
   * @param ObjectProphecy $object
   * @param MethodProphecy $method
   *
   * @return mixed
   */
  public function execute(array $args, ObjectProphecy $object, MethodProphecy $method) {
    $callback = $this->callback;
    if ($callback instanceof Closure && method_exists('Closure', 'bind')) {
      $callback = Closure::bind($callback, $object);
    }
    return call_user_func($callback, $args, $object, $method);
  }

}

Classes

Name	Description
CallbackPromise	Callback promise.