function CreateContest(&$arg) { $contest = new ContestsTbl(); $contest->detail = $arg; global $login_uid; $contest->detail['owner'] = $login_uid; if (trim($arg['title']) == "") { error("Contest title can't be null"); } $course_id = tryfetch($arg, 'course_id', ""); if ($contest->Add()) { if ($course_id) { MsgAndRedirect("course_detail.php?course_id={$course_id}"); } else { MsgAndRedirect("contests.php"); } } else { MsgAndBack("Can't create contest"); } }