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Edit File: MarshallerInterface.php

<?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. * * @return mixed * * @throws \Exception Whenever unserialization fails */ public function unmarshall(string $value); }