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<?php
/**
* This file is part of RSS-Bridge, a PHP project capable of generating RSS and
* Atom feeds for websites that don't have one.
*
* For the full license information, please view the UNLICENSE file distributed
* with this source code.
*
* @package Core
* @license http://unlicense.org/ UNLICENSE
* @link https://github.com/rss-bridge/rss-bridge
*/
/**
* The cache interface
*
* @todo Add missing function to the interface
* @todo Explain parameters and return values in more detail
* @todo Return self more often (to allow call chaining)
*/
interface CacheInterface {
/**
* Loads data from cache
*
* @return mixed The cache data
*/
public function loadData();
/**
* Stores data to the cache
*
* @param mixed $datas The data to store
* @return self The cache object
*/
public function saveData($datas);
/**
* Returns the timestamp for the curent cache file
*
* @return int Timestamp
*/
public function getTime();
/**
* Removes any data that is older than the specified duration from cache
*
* @param int $duration The cache duration in seconds
*/
public function purgeCache($duration);
}
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