Online PHP editor | output for jg9E0

<?php function test($xml) { $dom = new DomDocument(); $dom->loadXML($xml); $node = $dom->documentElement; $nodes = array(); foreach($node->childNodes as $n) if($n->nodeType==XML_ELEMENT_NODE) $nodes[]=$n; foreach($nodes as $n) $n->parentNode->removeChild($n); foreach($nodes as $n) $node->appendChild($n); echo $dom->saveXML(); } test('<?xml version="1.0" encoding="UTF-8"?><test xmlns:any="urn:iso:std:iso:20022:tech:xsd:pain.001.001.03"><item /><item xmlns="urn:iso:std:iso:20022:tech:xsd:pain.001.001.03"/></test>'); test('<?xml version="1.0" encoding="UTF-8"?><test xmlns="urn:iso:std:iso:20022:tech:xsd:pain.001.001.03"><item /><item xmlns="urn:iso:std:iso:20022:tech:xsd:pain.001.001.03"/></test>');