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<?php
/**
* SPDX-FileCopyrightText: 2016-2024 Nextcloud GmbH and Nextcloud contributors
* SPDX-FileCopyrightText: 2016 ownCloud, Inc.
* SPDX-License-Identifier: AGPL-3.0-only
*/
// use OCP namespace for all classes that are considered public.
// This means that they should be used by apps instead of the internal Nextcloud classes
namespace OCP;
/**
* This interface defines method for accessing the file based user cache.
*
* @since 8.1.0
*/
interface IMemcache extends ICache {
/**
* Set a value in the cache if it's not already stored
*
* @param string $key
* @param mixed $value
* @param int $ttl Time To Live in seconds. Defaults to 60*60*24
* @return bool
* @since 8.1.0
*/
public function add($key, $value, $ttl = 0);
/**
* Increase a stored number
*
* @param string $key
* @param int $step
* @return int | bool
* @since 8.1.0
*/
public function inc($key, $step = 1);
/**
* Decrease a stored number
*
* @param string $key
* @param int $step
* @return int | bool
* @since 8.1.0
*/
public function dec($key, $step = 1);
/**
* Compare and set
*
* @param string $key
* @param mixed $old
* @param mixed $new
* @return bool
* @since 8.1.0
*/
public function cas($key, $old, $new);
/**
* Compare and delete
*
* @param string $key
* @param mixed $old
* @return bool
* @since 8.1.0
*/
public function cad($key, $old);
}
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