public function clear()
    {
        if ($this->getPersistor()->clear()) {

            $event = new Event($this);

            $this->getEventDispatcher()->dispatch(self::EVENT_CLEAR_ALL_TASKS, $event);
            return true;
        }
        
        return false;
    }
public function clear()
    {
        if ($this->getPersistor()->clear()) {

            $event = new Event($this);

            $this->getEventDispatcher()->dispatch(self::EVENT_CLEAR_ALL_TASKS, $event);
            return true;
        }
        
        return false;
    }
public function clear ( ) { if ( $ this -> getPersistor ( ) -> clear ( ) ) { $ event = new Event ( $ this ) ; $ this -> getEventDispatcher ( ) -> dispatch ( self :: EVENT_CLEAR_ALL_TASKS , $ event ) ; return true ; } return false ; }
Clear all tasks

@return boolean
Clear all tasks