Bogdan22, Попробуй так
$new_total = mysql_result(mysql_query("SELECT COUNT(*) FROM `forum` WHERE `time` > '" . strtotime(date('d.m.o',$realtime)) . "' AND `type`='m' AND `refid`='" . $mass['id'] . "'" . ($rights >= 7 ? '' : " AND `close` != '1'")), 0);echo $new_total;