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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();
Output for git.master, git.master_jit, rfc.property-hooks
<?xml version="1.0" encoding="utf-8"?> <rss><channel xmlns:g="http://foo.com/foo/bar/baz"><item><g:foo>bar</g:foo></item></channel></rss>

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