query($q); while($set->next()) { $user_id=$set->getString('user_id'); $q2="select friend_id from friends where user_id=$user_id"; $set2=$database->query($q2); $friends_serial=""; while ($set2->next()){ $friends_serial.=($set2->getString('friend_id')).";"; } $database->query("update session set friends_serial='$friends_serial' where user_id=$user_id"); echo $set->getString('user_name')." : ".$set->getString('friends_serial')."
"; } ?>