1<?php
2/**
3 * Event dispatcher
4 *
5 * @package Requests
6 * @subpackage Utilities
7 */
8
9/**
10 * Event dispatcher
11 *
12 * @package Requests
13 * @subpackage Utilities
14 */
15interface Requests_Hooker {
16	/**
17	 * Register a callback for a hook
18	 *
19	 * @param string $hook Hook name
20	 * @param callback $callback Function/method to call on event
21	 * @param int $priority Priority number. <0 is executed earlier, >0 is executed later
22	 */
23	public function register($hook, $callback, $priority = 0);
24
25	/**
26	 * Dispatch a message
27	 *
28	 * @param string $hook Hook name
29	 * @param array $parameters Parameters to pass to callbacks
30	 * @return boolean Successfulness
31	 */
32	public function dispatch($hook, $parameters = array());
33}
34