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<?php
/**
* Elgg cache
* The API REST endpoint.
*
* @package Elgg
* @subpackage API
* @license http://www.gnu.org/licenses/old-licenses/gpl-2.0.html GNU Public License version 2
* @author Marcus Povey <marcus@dushka.co.uk>
* @copyright Curverider Ltd 2008
* @link http://elgg.org/
*/
/**
* @class ElggCache The elgg cache superclass.
* This defines the interface for a cache (wherever that cache is stored).
* @author Marcus Povey <marcus@dushka.co.uk>
*/
abstract class ElggCache
{
/**
* Variables for the cache object.
*
* @var array
*/
private $variables;
/**
* Set the constructor.
*/
function __construct() { $this->variables = array(); }
/**
* Set a cache variable.
*
* @param string $variable
* @param string $value
*/
public function set_variable($variable, $value) { $this->variables[$variable] = $value; }
/**
* Get variables for this cache.
*
* @param string $variable
* @return mixed The variable or null;
*/
public function get_variable($variable)
{
if (isset($this->variables[$variable]))
return $this->variables[$variable];
return null;
}
/**
* Save data in a cache.
*
* @param string $key
* @param string $data
* @return bool
*/
abstract public function save($key, $data);
/**
* Load data from the cache using a given key.
*
* @param string $key
* @return mixed The stored data or false.
*/
abstract public function load($key);
}
?>
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