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38 lines
1.0 KiB
PHP
38 lines
1.0 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\Console\ArgumentResolver\ValueResolver;
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use Symfony\Component\Console\Attribute\Reflection\ReflectionMember;
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use Symfony\Component\Console\Input\InputInterface;
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/**
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* Yields the default value defined in the command signature when no input value has been explicitly passed.
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*
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* @author Iltar van der Berg <kjarli@gmail.com>
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* @author Robin Chalas <robin.chalas@gmail.com>
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*/
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final class DefaultValueResolver implements ValueResolverInterface
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{
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public function resolve(string $argumentName, InputInterface $input, ReflectionMember $member): iterable
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{
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if ($member->hasDefaultValue()) {
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return [$member->getDefaultValue()];
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}
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if ($member->isNullable() && !$member->isVariadic()) {
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return [null];
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}
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return [];
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}
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}
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