41 lines
1.1 KiB
PHP
41 lines
1.1 KiB
PHP
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\HttpKernel\Controller\ArgumentValueResolver;
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use Symfony\Component\HttpFoundation\Request;
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use Symfony\Component\HttpKernel\Controller\ArgumentValueResolverInterface;
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use Symfony\Component\HttpKernel\ControllerMetadata\ArgumentMetadata;
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/**
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* Returns the default value defined in the action signature if present and no value has been given.
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*
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* @author Iltar van der Berg <kjarli@gmail.com>
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*/
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final class DefaultArgumentValueResolver implements ArgumentValueResolverInterface
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{
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/**
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* {@inheritdoc}
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*/
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public function supports(Request $request, ArgumentMetadata $argument)
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{
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return $argument->hasDefaultValue() && !$request->attributes->has($argument->getName());
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}
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/**
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* {@inheritdoc}
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*/
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public function resolve(Request $request, ArgumentMetadata $argument)
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{
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yield $argument->getDefaultValue();
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}
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}
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