// src/Form/ExampleFormType.php

namespace App\Form;

use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\Extension\Core\Type\TextType;
use Symfony\Component\Form\FormBuilderInterface;

class ExampleFormType extends AbstractType
{
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder
            ->add('fieldName', TextType::class, [
                'label' => 'Field Label',
                // Additional options can be added here
            ]);
    }
}

// src/Controller/ExampleController.php

namespace App\Controller;

use App\Form\ExampleFormType;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Annotation\Route;

class ExampleController extends AbstractController
{
    /**
     * @Route("/example", name="example")
     */
    public function example(Request $request): Response
    {
        $form = $this->createForm(ExampleFormType::class);

        $form->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {
            // Process form submission
            // For example, save data to the database
            // Redirect or render response
        }

        return $this->render('example/index.html.twig', [
            'form' => $form->createView(),
        ]);
    }
}

{# templates/example/index.html.twig #}

{% extends 'base.html.twig' %}

{% block title %}Example Form{% endblock %}

{% block body %}
    
Example Form

    {{ form_start(form) }}
    {{ form_row(form.fieldName) }}
    {{ form_end(form) }}
{% endblock %}

// src/Form/ExampleFormType.php

namespace App\Form;

use App\Entity\ExampleEntity; // Importez votre entité ici
use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\OptionsResolver\OptionsResolver;

class ExampleFormType extends AbstractType
{
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder
            ->add('fieldName')
            // Ajoutez d'autres champs ici
            ;
    }

    public function configureOptions(OptionsResolver $resolver)
    {
        $resolver->setDefaults([
            'data_class' => ExampleEntity::class, // Définissez l'entité associée au formulaire
            // Définissez d'autres options par défaut ici
        ]);
    }
}