<?php

/**

 * Event dispatcher

 *

 * @package Requests

 * @subpackage Utilities

 */

/**

 * Event dispatcher

 *

 * @package Requests

 * @subpackage Utilities

 */

interface Requests_Hooker {

	/**

	 * Register a callback for a hook

	 *

	 * @param string $hook Hook name

	 * @param callback $callback Function/method to call on event

	 * @param int $priority Priority number. <0 is executed earlier, >0 is executed later

	 */

	public function register($hook, $callback, $priority = 0);

	/**

	 * Dispatch a message

	 *

	 * @param string $hook Hook name

	 * @param array $parameters Parameters to pass to callbacks

	 * @return boolean Successfulness

	 */

	public function dispatch($hook, $parameters = array());

}