<!-- Collection of code snippets by Arne Vajhøj -->
<!-- posted to eksperten.dk, usenet and other places (2002-now) -->
<?php
$doc = new DOMDocument();
$one1 = $doc->createElement('one');
$one1->appendChild($doc->createTextNode('A'));
$one2 = $doc->createElement('one');
$one2->appendChild($doc->createTextNode('BB'));
$one3 = $doc->createElement('one');
$one3->appendChild($doc->createTextNode('CCC'));
$root = $doc->createElementNS('http://foobar', 'foobar:all');
$root->appendChild($one1);
$root->appendChild($one2);
$root->appendChild($one3);
$doc->appendChild($root);
echo $doc->saveXML();
?>