Register

/**
     * @Route("/register", name="register")
     * @return \Symfony\Component\HttpFoundation\Response
     */
    public function registerAction(Request $request)
    {
        $user = new User();
        $form = $this->createFormBuilder($user)
                    ->add('email', TextType::class)
                    ->add('password', RepeatedType::class,
                        ['type' => PasswordType::class,
                        'invalid_message' => 'The password fields must match.',
                        'options' => ['attr' => ['class' => 'password-field']],
                        'required' => true,
                        'first_options'  => ['label' => 'Password'],
                        'second_options' => ['label' => 'Confirm Password']])
                    ->add('fullName', TextType::class)
                    ->add('save', SubmitType::class)
                    ->getForm();
        $form->handleRequest($request);
        if ($form->isSubmitted() and $form->isValid()) {
            $password = $this->get('security.password_encoder')
                ->encodePassword($user, $user->getPassword());
            $user->setPassword($password);
            $em = $this->getDoctrine()->getManager();
            $em->persist($user);
            $em->flush();
            return $this->redirectToRoute("security_login");
        }
        return $this->render("default/register.html.twig", ['user' => $form->createView()]);
    }