function print_untagged_sites($tag) { $sn = new Status_network(); $sn->query('select status_network.nickname ' . 'from status_network ' . 'where not exists ' . '(select tag from status_network_tag ' . 'where site_id = status_network.site_id ' . 'and tag = "' . $tag . '")'); while ($sn->fetch()) { print "{$sn->nickname}\n"; } return; }