0 is executed later */ public function register($hook, $callback, $priority = 0) { if (!isset($this->hooks[$hook])) { $this->hooks[$hook] = array(); } if (!isset($this->hooks[$hook][$priority])) { $this->hooks[$hook][$priority] = array(); } $this->hooks[$hook][$priority][] = $callback; } /** * Dispatch a message * * @param string $hook Hook name * @param array $parameters Parameters to pass to callbacks * @return boolean Successfulness */ public function dispatch($hook, $parameters = array()) { if (empty($this->hooks[$hook])) { return false; } foreach ($this->hooks[$hook] as $priority => $hooked) { foreach ($hooked as $callback) { call_user_func_array($callback, $parameters); } } return true; } }