public static function getInstance($account, $username, $password, $environment = '', $region = 'emea', $tz = 'CEST', $lang = 'en') { if (!self::$_instance instanceof self) { self::$_instance = new self($account, $username, $password, $environment, $region, $tz, $lang); } return self::$_instance; }
public static function getInstance($sold_to, $username, $environment = '', $region = 'emea', $tz = 'CEST') { if (!self::$_instance instanceof self) { self::$_instance = new self($sold_to, $username, $environment, $region, $tz); } return self::$_instance; }