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: ."); ?>