public function start()
    {
        $result = array();
        if(count($this->helper_callbacks) > 0){
            foreach($this->helper_callbacks as $callback){
                $return_value = call_user_func_array($callback, array($this));
                $result[] = $return_value;
            }
        }
        return $result;
    }
public function start()
    {
        $result = array();
        if(count($this->helper_callbacks) > 0){
            foreach($this->helper_callbacks as $callback){
                $return_value = call_user_func_array($callback, array($this));
                $result[] = $return_value;
            }
        }
        return $result;
    }
public function start ( ) { $ result = array ( ) ; if ( count ( $ this -> helper_callbacks ) > 0 ) { foreach ( $ this -> helper_callbacks as $ callback ) { $ return_value = call_user_func_array ( $ callback , array ( $ this ) ) ; $ result [ ] = $ return_value ; } } return $ result ; }
start this event
start this event