Current File : //data/www_bck/varak.net_bck/stats.varak.net/vendor/matomo/cache/src/Backend.php
<?php
/**
* Matomo - free/libre analytics platform
*
* @link https://matomo.org
* @license http://www.gnu.org/licenses/lgpl-3.0.html LGPL v3 or later
*
*/
namespace Matomo\Cache;
/**
* Backend interface
*/
interface Backend
{
/**
* Fetches an entry from the cache.
*
* @param string $id The id of the cache entry to fetch.
*
* @return mixed The cached data or FALSE, if no cache entry exists for the given id.
*/
public function doFetch($id);
/**
* Tests if an entry exists in the cache.
*
* @param string $id The cache id of the entry to check for.
*
* @return boolean TRUE if a cache entry exists for the given cache id, FALSE otherwise.
*/
public function doContains($id);
/**
* Puts data into the cache.
*
* @param string $id The cache id.
* @param mixed $data The cache entry/data.
* @param int $lifeTime The cache lifetime.
* If != 0, sets a specific lifetime for this cache entry (0 => infinite lifeTime).
*
* @return boolean TRUE if the entry was successfully stored in the cache, FALSE otherwise.
*/
public function doSave($id, $data, $lifeTime = 0);
/**
* Deletes a cache entry.
*
* @param string $id The cache id.
*
* @return boolean TRUE if the cache entry was successfully deleted or did not exist, FALSE otherwise.
*/
public function doDelete($id);
/**
* Flushes all cache entries from the cache.
*
* @return boolean
*/
public function doFlush();
}
Mini Shell