DefaultValueResolver.php 1.6 KB

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  1. <?php
  2. /*
  3. * This file is part of the Symfony package.
  4. *
  5. * (c) Fabien Potencier <fabien@symfony.com>
  6. *
  7. * For the full copyright and license information, please view the LICENSE
  8. * file that was distributed with this source code.
  9. */
  10. namespace Symfony\Component\HttpKernel\Controller\ArgumentResolver;
  11. use Symfony\Component\HttpFoundation\Request;
  12. use Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface;
  13. use Symfony\Component\HttpKernel\Controller\ValueResolverInterface;
  14. use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
  15. /**
  16. * Yields the default value defined in the action signature when no value has been given.
  17. *
  18. * @author Iltar van der Berg <kjarli@gmail.com>
  19. */
  20. final class DefaultValueResolver implements ArgumentValueResolverInterface, ValueResolverInterface
  21. {
  22. /**
  23. * @deprecated since Symfony 6.2, use resolve() instead
  24. */
  25. public function supports(Request $request, ArgumentMetadata $argument): bool
  26. {
  27. @trigger_deprecation('symfony/http-kernel', '6.2', 'The "%s()" method is deprecated, use "resolve()" instead.', __METHOD__);
  28. return $argument->hasDefaultValue() || (null !== $argument->getType() && $argument->isNullable() && !$argument->isVariadic());
  29. }
  30. public function resolve(Request $request, ArgumentMetadata $argument): array
  31. {
  32. if ($argument->hasDefaultValue()) {
  33. return [$argument->getDefaultValue()];
  34. }
  35. if (null !== $argument->getType() && $argument->isNullable() && !$argument->isVariadic()) {
  36. return [null];
  37. }
  38. return [];
  39. }
  40. }