php实现事件绑定

最近跟踪yii源码 里面涉及到了绑定事件行为之类，于是自己手写了一个最简单的事件绑定实现

class EventHandle {                private static $_map = array();        //类似jquery绑定事件        public function on($name, $callback)        {                if(!is_callable($callback))                        return false;                if(!isset(self::$_map[$name]))                {                        self::$_map[$name] = array();                }                                self::$_map[$name][] = $callback;        }        //触发事件        public function trigger($name, $event)        {                if(!isset(self::$_map[$name]))                        return false;                $function_arr = self::$_map[$name];                foreach($function_arr as $function)                {                        call_user_func($function, $event);                }                return true;        }        //移除某个事件特定的回调函数        public function remove($name, $callback)        {                if(!isset(self::$_map[$name]))                        return false;                $map = self::$_map[$name];                $pos = array_search($callback, $map, true);                if($pos >= 0)                {                        array_splice($map, $pos, 1);                        self::$_map[$name] = $map;                }                return true;        }}//事件对象class Event {        public static $options = array();        public function __construct($options = array())        {                $this->options = $options;        }}//通过函数当回调函数function start1($event){        echo 'start1asdaa
';        var_dump($event);}//通过类的方法当回调函数class EventCallback {        public function start3($event)        {                echo 'start3
';        }}$eventhandle = new EventHandle();$eventhandle->on('start', "start1");$eventhandle->on('start', array("EventCallback", "start3"));$eventhandle->remove('start', array("EventCallback", "start3"));$eventhandle->trigger('start', new Event(array('name' => 'hhhh', 'age' => 25)));

出现的结果如下:

start1asdaaobject(Event)[2]  public 'options' =>     array (size=2)      'name' => string 'hhhh' (length=4)      'age' => int 25