object(stdClass)#152 (21) {
["concat(message.useridfrom, '-', message.useridto)"]=> string(3) "6-5"
["id"]=> string(1) "6"
["picture"]=> string(2) "33"
}
$c->concat(message.useridfrom, '-', message.useridto);
select concat(message.useridfrom, '-', message.useridto) as huita from table ...
echo $c->huita; // 6-5