SELECT
(SELECT username FROM a_users WHERE user_id = ) AS username,
(SELECT antirek FROM a_users WHERE user_id = ) AS antirek,
(SELECT status FROM a_users WHERE user_id = ) AS status
You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') AS username,
(SELECT antirek FROM a_users WHERE user_id = ) AS antirek,
' at line 2