$SQL = "SELECT 'Session Start Time','Session Stop Time','Session Time','Bytes Up','Bytes Down' UNION SELECT AcctStartTime,AcctStopTime,AcctSessionTime,AcctInputOctets,AcctOutputOctets FROM radacct WHERE (UserName = '$_GET[UserName]') AND (AcctStartTime >= '$_GET[start_date] 00:00:00') AND (AcctStopTime <= '$_GET[end_date] 23:59:59') ORDER BY radacct.AcctStartTime INTO OUTFILE '$fullpath'";