This paste was made by an Anonymous user some time ago...
$nodes = $xmldoc->xpath('/yandexsearch/response/results/grouping/group/doc/passages/passage');
foreach ($nodes as $node) {
// если URL начинается с имени хоста, выходим из цикла
/*$detagged_node1 = preg_replace("!<hlword.*?>!i", '<b>', $node);
$detagged_node2 = preg_replace("!</hlword>!i", '</b>', $detagged_node1);*/
$detagged_node = htmlspecialchars_decode($node);
//$detagged_node3 = preg_replace("!<hlword(.*?)>(.*?)</hlword>!si","<b>\\2</b>",$detagged_node);
$detagged_node3 = preg_replace("!(<|>)!i","",$detagged_node);
/*$detagged_node2=strip_tags($node); */print "<p>$detagged_node3</p>";
}