\t\t\t<my:title>Крутая Сандра</my:title> \t\t\t<title>XML. Справочник</title> \t\t\t<price>100</price> \t\t</category> \t</book> </catalog> XML; ?> <?php /* $sxi =new SimpleXMLIterator($xmlstring); $foo = $sxi->xpath('/catalog/book/category/title'); foreach ($foo as $k=>$v){ echo $v.'<br />'; } */ ?> <?php $sxi = new SimpleXMLIterator($xmlstring); //$sxi-> registerXPathNamespace('my', 'http://mysuperpupermegasite.ru/catalog'); $result = $sxi->xpath('//my:title'); foreach ($sxi->getDocNamespaces('book') as $ns) { echo $ns . '<br>'; } foreach ($result as $k => $v) { echo $v . '<br>'; }