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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\Cache\Marshaller;
use Symfony\Component\Cache\Exception\CacheException;
/**
* Compresses values using gzdeflate().
*
* @author Nicolas Grekas <p@tchwork.com>
*/
class DeflateMarshaller implements MarshallerInterface
{
public function __construct(
private MarshallerInterface $marshaller,
) {
if (!\function_exists('gzdeflate')) {
throw new CacheException('The "zlib" PHP extension is not loaded.');
}
}
public function marshall(array $values, ?array &$failed): array
{
return array_map('gzdeflate', $this->marshaller->marshall($values, $failed));
}
public function unmarshall(string $value): mixed
{
if (false !== $inflatedValue = @gzinflate($value)) {
$value = $inflatedValue;
}
return $this->marshaller->unmarshall($value);
}
}
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