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<?php $doc = new DOMDocument('1.0', 'utf-8'); $rss = $doc->appendChild($doc->createElement('rss')); $channel = $rss->appendChild($doc->createElement('channel')); $channel->setAttribute('xmlns:g', 'http://foo.com/foo/bar/baz'); $item = $channel->appendChild($doc->createElement('item')); $foo = $item->appendChild($doc->createElement('g:foo')); $foo->appendChild($doc->createTextNode('bar')); echo $doc->saveXML() . "\n"; $xpath = new DOMXPath($doc); var_dump($xpath->query('/rss/channel')->item(0));

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