/**
* Returns instance of the LucidGecko object. This class uses a singleton pattern.
*/
public static function getInstance($appKey = null, $appSecret = null, $installID = null, $installSecret = null, $apiServer = null)
{
if (self::$_instance === null) {
self::$_instance = new self($appKey, $appSecret, $installID, $installSecret, $apiServer);
}
return self::$_instance;
}
