leave.php3 :
<?php
    $ConnID=odbc_connect("jtfcht","admin","");
    if ($ConnID){
        if (!($id=="1" && $ps="superldz")){
            $result=odbc_exec($ConnID,"SELECT UserName,PassWord,RoomID,Sex FROM User WHERE UserID=".$id);
            if (odbc_fetch_into($result,0,&$rArr)){
                if ($rArr[1]==$ps)
                    if ($rArr[3])
                        odbc_exec($ConnID,"INSERT INTO ChtCont (sIDFrom, sNameFrom, sIPFrom, sIDTo, sNameTo, sTime, sCont, bSecret, RoomID) VALUES (".$id.", '".$rArr[0]."', '".getenv("REMOTE_ADDR")."', 0, '大家', '".date("H:i:s")."', '<font color=gray>【系统消息】<font color=#FF9933>".$rArr[0]."</font>离开了这个聊天室</font>', False, ".$rArr[2].")");
                    else
                        odbc_exec($ConnID,"INSERT INTO ChtCont (sIDFrom, sNameFrom, sIPFrom, sIDTo, sNameTo, sTime, sCont, bSecret, RoomID) VALUES (".$id.", '".$rArr[0]."', '".getenv("REMOTE_ADDR")."', 0, '大家', '".date("H:i:s")."', '<font color=gray>【系统消息】<font color=#3399FF>".$rArr[0]."</font>离开了这个聊天室</font>', False, ".$rArr[2].")");
            }
            odbc_exec($ConnID,"UPDATE User SET RoomID=0,ToID=0,ToName='',Secret=False,FirstTime=False,LstTime=0,LastLoc=0 WHERE UserID=".$id);
        }
        odbc_close($ConnID);
    }
    header("Location: .");
?>