add controller in web.php code example
Example: set up a Controller in php
<?php
// src/Controller/LuckyController.php
namespace App\Controller;
use Symfony\Component\HttpFoundation\Response;
class LuckyController
{
public function number()
{
$number = random_int(0, 100);
return new Response(
'<html><body>Lucky number: '.$number.'</body></html>'
);
}
}