Description
PHP Attributes can be used to define routing.
Syntax
// BEFORE: annotations defined with Doctrine Annotations library
use Symfony\Component\Routing\Annotation\Route;
 
class SomeController
{
    /**
     * @Route("/path", name="action")
     */
    public function someAction()
    {
        // ...
    }
}// AFTER: annotations defined with PHP 8 attributes
use Symfony\Component\Routing\Annotation\Route;
 
class SomeController
{
    #[Route('/path', name: 'action')]
    public function someAction()
    {
        // ...
    }
}