public static function get_device_type() {
        $instance = self::instance();
        if ($instance->devicetype === null) {
            return $instance->guess_device_type();
        }
        return $instance->devicetype;
    }
public static function get_device_type() {
        $instance = self::instance();
        if ($instance->devicetype === null) {
            return $instance->guess_device_type();
        }
        return $instance->devicetype;
    }
public static function get_device_type ( ) { $ instance = self :: instance ( ) ; if ( $ instance -> devicetype === null ) { return $ instance -> guess_device_type ( ) ; } return $ instance -> devicetype ; }
Returns the device type we believe is being used.
@return string
Returns the device type we believe is being used .