仿AS3实现PHP 事件机制实现代码

>_callback_method[$eventstr] as $v){
if(is_object($v[''class''])){
$v_class=get_class($v[''class'']);
}else{
$v_class=$v[''class''];
}
if(is_object($class)){
$s_class=get_class($class);
}else{
$s_class=$class;
}
$temp_v=array(
"class"=>$v_class,
"method"=>$method,
);
$temp_s=array(
"class"=>$s_class,
"method"=>$method,
);
if($temp_v==$temp_s){
return true;
}
}
}
}else{
$this->_check_function($method);
if($this->_check_callback($eventstr)){
foreach($this->_callback_method[$eventstr] as $v){
if($method==$v[''function'']){
return true;
}
}
}
}
return false;
}
/**
* 检测指定类是否存在指定方法
* @param string $class
* @param string $method
* @exception Exception_Event
* @return void
*/
private function _check_method($class,$method){
if(!method_exists($class,$method)){
throw new Exception_Event(get_class($class)." not exist ".$method." method",1);
}
}
/**
* 检测指定函数是否存在
* @param string $function
* @return void
*/
private function _check_function($function){
if(!function_exists($function)){
throw new Exception_Event($function." function not exist ",2);
}
}
/**
* 检测指定事件是否存在监听函数
* @param string $eventstr
* @return boolean
*/
private function _check_callback($eventstr){
if(isset($this->_callback_method[$eventstr])
&&is_array($this->_callback_method[$eventstr])
){
return true;
}
return false;
}
/**
* 创建监听函数数组
* @param string $eventstr
* @param string $function
* @return array
*/
private function _create_listener_fn($eventstr,$function){
return array(
"object"=>false,
"function"=>$function,
);
}
/**
* 创建监听类数组
* @param string $eventstr
* @param string $class
* @param string $method
* @return array
*/
private function _create_listener_method($eventstr,$class,$method){
return array(
"object"=>true,
"class"=>$class,
"method"=>$method,
);
}
/**
* 创建事件字符串
* @param Event $event
* @return string
*/
private function _create_event_str(Event $event){
$classstr=strtolower(get_class($event));
$eventstr=(string)$event;
return $classstr.$eventstr;
}
}
class test extends EventDispatcher{

}
function t($e){
print_r($e->a);
}
$v=new test();
$e=new Event("test");
$v->attach($e,"t");
$v->detact($e,"t");
echo $v->has($e,"t");
$e->a="dd";
$v->dispatch($e);