quote($track); if(preg_match('/^[0-9A-Za-z\-]*$/', $track)) { $query = "SELECT refer_url FROM campaigns WHERE tracker_key='$track'"; $res = $db->query($query); $row = $db->fetchByAssoc($res); $redirect_URL = $row['refer_url']; sugar_cleanup(); header("Location: $redirect_URL"); } else { sugar_cleanup(); } exit; ?>