Controller criado no post sobre Symfony 4, no blod da Code Experts Learning em blog.codeexpertslearning.com.br

ProductController.php

<?php

namespace App\Controller;

use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Response;
use App\Entity\Product;

class ProductController extends AbstractController
{
    /**
     * @Route("/", name="product_home")
     */
    public function index()
    {
        $products = $this->getDoctrine()
                         ->getRepository(Product::class)
                         ->findAll();
        
        var_dump($products);
        return new Response('Welcome to your new controller!');
    }
}