$dom->loadHTML($html);
removeElementsByTagName('style', $dom);
$html = $dom->saveHtml();
echo $html;
function removeElementsByTagName($tag, $document) {
$allNode = $document->getElementsByTagName($tag);
for ($i = $allNode->length; --$i >= 0; ) {
$node = $allNode->item($i);
$node->parentNode->removeChild($node);
}
}