/**
* Cart66 should only be loaded one time
*
* @since 2.0
* @static
* @return Cart66 instance
*/
public static function instance()
{
if (is_null(self::$instance)) {
self::$instance = new self();
}
return self::$instance;
}
public static function get_instance()
{
if (!isset(self::$instance)) {
self::$instance = new Cart66_Cloud();
}
return self::$instance;
}
