function KickoutUser(&$arg) { $uid = mysql_real_escape_string(safefetch($arg, 'uid')); $course_id = mysql_real_escape_string(safefetch($arg, 'course_id')); global $conn; $rs = new RecordSet($conn); $rs->Query("DELETE FROM course_reg WHERE uid = {$uid} AND course_id = {$course_id}"); $rs->affected_rows(); MsgAndBack(); }