Auto-Validating Form

// ... use statements hidden - click to show

use App\Form\RegistrationFormType; use Symfony\Bundle\FrameworkBundle\Controller\AbstractController; use Symfony\Component\Form\FormInterface; use Symfony\UX\LiveComponent\Attribute\AsLiveComponent; use Symfony\UX\LiveComponent\Attribute\LiveAction; use Symfony\UX\LiveComponent\Attribute\LiveProp; use Symfony\UX\LiveComponent\ComponentWithFormTrait; use Symfony\UX\LiveComponent\DefaultActionTrait;

 #[AsLiveComponent] class RegistrationForm extends AbstractController { use ComponentWithFormTrait; use DefaultActionTrait; #[LiveProp] public bool $isSuccessful = false; #[LiveProp] public ?string $newUserEmail = null; protected function instantiateForm(): FormInterface { return $this->createForm(RegistrationFormType::class); } public function hasValidationErrors(): bool { return $this->getForm()->isSubmitted() && !$this->getForm()->isValid(); } #[LiveAction] public function saveRegistration() { $this->submitForm(); // save to the database // or, instead of creating a LiveAction, allow the form to submit // to a normal controller: that's even better. // $newUser = $this->getFormInstance()->getData(); $this->newUserEmail = $this->getForm() ->get('email') ->getData(); $this->isSuccessful = true; } }