Mercurial > hg > isophonics-drupal-site
view vendor/symfony/http-kernel/Controller/ArgumentResolver/DefaultValueResolver.php @ 17:129ea1e6d783
Update, including to Drupal core 8.6.10
author | Chris Cannam |
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date | Thu, 28 Feb 2019 13:21:36 +0000 |
parents | 4c8ae668cc8c |
children |
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<?php /* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ namespace Symfony\Component\HttpKernel\Controller\ArgumentResolver; use Symfony\Component\HttpFoundation\Request; use Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface; use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata; /** * Yields the default value defined in the action signature when no value has been given. * * @author Iltar van der Berg <kjarli@gmail.com> */ final class DefaultValueResolver implements ArgumentValueResolverInterface { /** * {@inheritdoc} */ public function supports(Request $request, ArgumentMetadata $argument) { return $argument->hasDefaultValue() || (null !== $argument->getType() && $argument->isNullable() && !$argument->isVariadic()); } /** * {@inheritdoc} */ public function resolve(Request $request, ArgumentMetadata $argument) { yield $argument->hasDefaultValue() ? $argument->getDefaultValue() : null; } }