public static function initCache()
{
if (self::$cache_instance == null) {
self::$cache_instance = JO_Cache::getInstance('sqlfile', array('livetime' => self::$cache_time));
}
return self::$cache_instance;
}
/**
* @param array|string $options
* @return JO_Cache
*/
public static function getInstance($driver, $options = array())
{
if (self::$instance == null) {
self::$instance = new self();
$driver_name = 'JO_Cache_' . ucfirst(strtolower($driver));
self::$driver = new $driver_name($options);
}
return self::$instance;
}
