....
class CardController extends Controller
{
public function showAction(Request $request, $id)
{
$card = $this->_getRepository()->find($id);
/** @var \123\AppBundle\Entity\Card $card */
if($card === null)
throw $this->createNotFoundException('Не найдено');
return $this->render('123AppBundle:Card:show.html.twig', array(
'card' => $card,
));
}
....