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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\Controller\ValueResolverInterface;
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, ValueResolverInterface
{
/**
* @deprecated since Symfony 6.2, use resolve() instead
*/
public function supports(Request $request, ArgumentMetadata $argument): bool
{
@trigger_deprecation('symfony/http-kernel', '6.2', 'The "%s()" method is deprecated, use "resolve()" instead.', __METHOD__);
return $argument->hasDefaultValue() || (null !== $argument->getType() && $argument->isNullable() && !$argument->isVariadic());
}
public function resolve(Request $request, ArgumentMetadata $argument): array
{
if ($argument->hasDefaultValue()) {
return [$argument->getDefaultValue()];
}
if (null !== $argument->getType() && $argument->isNullable() && !$argument->isVariadic()) {
return [null];
}
return [];
}
}
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