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() { // ... } }