如何使用Driver ODBC和OS LINUX Redhat在PHP CodeIgniter中显示Array

this code running at OS WIndows use Driver sqlsrv

  <td><?php echo ($iss->Issuer); ?></td>

but cannot work at OS Linux Redhat with Driver ODBC, and the message show like this "Message: Undefined property: stdClass::$Issuer" and this the models

function getIssuer($TID, $Acquirer) {
   $Issuer = $this->db->query("WITH CTE AS (SELECT rownum = ROW_NUMBER() OVER (ORDER BY p.RelationTagID), p.RelationTagValue, p.RelationTag FROM tbProfileRelation p WHERE TerminalID = '$TID') SELECT DISTINCT (CTE.RelationTagValue) Issuer, prev1.RelationTagValue Acquirer FROM tbProfileRelation, CTE LEFT JOIN CTE prev1 ON prev1.rownum = CTE.rownum + 1 WHERE (CTE.RelationTag = 'AD02' OR CTE.RelationTag = 'AD002') AND TerminalID = '$TID' AND prev1.RelationTagValue = '$Acquirer' AND CTE.RelationTagValue <> ''");
   var_dump($Issuer);
    return $Issuer->result();
}

any can help me.. Best Regards, :-)