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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\Config\Definition;
use Symfony\Component\Config\Definition\Exception\InvalidTypeException;
/**
* This node represents a Boolean value in the config tree.
*
* @author Johannes M. Schmitt <schmittjoh@gmail.com>
*/
class BooleanNode extends ScalarNode
{
/**
* {@inheritdoc}
*/
protected function validateType($value)
{
if (!\is_bool($value)) {
$ex = new InvalidTypeException(sprintf('Invalid type for path "%s". Expected boolean, but got %s.', $this->getPath(), \gettype($value)));
if ($hint = $this->getInfo()) {
$ex->addHint($hint);
}
$ex->setPath($this->getPath());
throw $ex;
}
}
/**
* {@inheritdoc}
*/
protected function isValueEmpty($value)
{
// a boolean value cannot be empty
return false;
}
/**
* {@inheritdoc}
*/
protected function getValidPlaceholderTypes(): array
{
return ['bool'];
}
}
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