<?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;
/**
* Serializes/unserializes PHP values.
*
* Implementations of this interface MUST deal with errors carefully. They MUST
* also deal with forward and backward compatibility at the storage format level.
*
* @author Nicolas Grekas <p@tchwork.com>
*/
interface MarshallerInterface
{
/**
* Serializes a list of values.
*
* When serialization fails for a specific value, no exception should be
* thrown. Instead, its key should be listed in $failed.
*/
public function marshall(array $values, ?array &$failed): array;
/**
* Unserializes a single value and throws an exception if anything goes wrong.
*
* @throws \Exception Whenever unserialization fails
*/
public function unmarshall(string $value): mixed;
}