FOS\UserBundle\Controller\UserController::updateAction PHP Метод

    public function updateAction($username)
    {
        $user = $this->findUserBy('username', $username);
        $form = $this->container->get('fos_user.form.user');
        $process = $form->process($user);
        if ($process) {
            $this->setFlash('fos_user_user_update', 'success');
            $userUrl = $this->container->get('router')->generate('fos_user_user_show', array('username' => $user->getUsername()));
            return new RedirectResponse($userUrl);
        }
        return $this->container->get('templating')->renderResponse('FOSUserBundle:User:edit.html.' . $this->getEngine(), array('form' => $form, 'username' => $user->getUsername()));
    }