$sql ='SELECT DISTINCT idfrom as dfg,idto as dfg FROM message WHERE (idfrom="'.$_SESSION['id'].'" OR idto="'.$_SESSION['id'].'") ORDER BY idm '; $result = $pdo->query($sql); while ($row = $result->fetch()) { $idm[]=$row['dfg']; } $idm=array_unique($idm); $idm=array_values($idm); for($i=0;$iquery($sql); while ($row = $result->fetch()) { $idmsa[]=$row['idm']; } } rsort($idmsa); $shabl=implode(",",$idmsa);