Service d'appel Symfony dans le contrôleur
$this->container->get('service_name');
// This work on for Symfony\Bundle\FrameworkBundle\Controller\Controller
// if you are using use Symfony\Bundle\FrameworkBundle\Controller\AbstractController , it would prefer to inject dependency
public function method(User $user)
{
$user->callSomeMethod();
}
MrDracoula