47 lines
1.4 KiB
PHP
47 lines
1.4 KiB
PHP
<?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\ArgumentResolver;
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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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* Yields a variadic argument's values from the request attributes.
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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 VariadicValueResolver 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): bool
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{
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return $argument->isVariadic() && $request->attributes->has($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 $argument): iterable
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{
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$values = $request->attributes->get($argument->getName());
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if (!\is_array($values)) {
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throw new \InvalidArgumentException(sprintf('The action argument "...$%1$s" is required to be an array, the request attribute "%1$s" contains a type of "%2$s" instead.', $argument->getName(), get_debug_type($values)));
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}
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yield from $values;
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}
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}
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