Post board existence check. A good way?

class BoardController extends \Phalcon\Mvc\Controller
{

    private function board_id_check($board_id)
    {
        if (false) {
            $this->flash->error("Board does not exist");

            $this->response->redirect('main');
        }
    }

    public function viewAction($board_id)
    {
        $this->board_id_check($board_id);
    }

    public function listAction($board_id)
    {
        $this->board_id_check($board_id);
    }

    public function writeAction($board_id)
    {
        $this->board_id_check($board_id);
    }

    public function modifyAction($board_id)
    {
        $this->board_id_check($board_id);
    }

}

Hello.

I think this way is inefficient. Is there a good way?

I'd like to deal with it at once.

thanks.