src/EventSubscriber/ControllerSubscriber.php line 42

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  1. <?php
  3. /*
  4. * This file is part of the Symfony package.
  5. *
  6. * (c) Fabien Potencier <fabien@symfony.com>
  7. *
  8. * For the full copyright and license information, please view the LICENSE
  9. * file that was distributed with this source code.
  10. */
  12. namespace App\EventSubscriber;
  14. use App\Twig\SourceCodeExtension;
  15. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  16. use Symfony\Component\HttpKernel\Event\ControllerEvent;
  17. use Symfony\Component\HttpKernel\KernelEvents;
  19. /**
  20. * Defines the method that 'listens' to the 'kernel.controller' event, which is
  21. * triggered whenever a controller is executed in the application.
  22. *
  23. * @author Ryan Weaver <weaverryan@gmail.com>
  24. * @author Javier Eguiluz <javier.eguiluz@gmail.com>
  25. */
  26. class ControllerSubscriber implements EventSubscriberInterface
  27. {
  28. private $twigExtension;
  30. public function __construct(SourceCodeExtension $twigExtension)
  31. {
  32. $this->twigExtension = $twigExtension;
  33. }
  35. public static function getSubscribedEvents(): array
  36. {
  37. return [
  38. KernelEvents::CONTROLLER => 'registerCurrentController',
  39. ];
  40. }
  42. public function registerCurrentController(ControllerEvent $event): void
  43. {
  44. // this check is needed because in Symfony a request can perform any
  45. // number of sub-requests. See
  46. // https://symfony.com/doc/current/components/http_kernel/introduction.html#sub-requests
  47. if ($event->isMainRequest()) {
  48. $this->twigExtension->setController($event->getController());
  49. }
  50. }
  51. }