include('simple_html_dom.php');
$html = str_get_html('<html><div id="main"><div id="inside">текст</div><div class="class">текст</div></div>');
$html->find('div#main', 0)->innertext = '';
$outText = $html->save();SELECT * FROM (
SELECT `id`, 1 AS `fieldNum`, `apropid1` AS `apropid` FROM `table`
UNION SELECT `id`, 2 AS `fieldNum`, `apropid2` AS `apropid` FROM `table`
UNION SELECT `id`, 3 AS `fieldNum`, `apropid3` AS `apropid` FROM `table`
...
) AS `t`
WHERE `t`.`apropid` == 'something'