Online PHP editor | refs for 91jUv

<?php $dom = new DOMDocument(); $dom->loadXml('<foo><bar/></foo>'); var_dump(isset($dom->documentElement), $dom->documentElement->parentNode); var_dump(isset($dom->documentElement->parentNode), $dom->documentElement->parentNode); var_dump(isset($dom->documentElement->firstChild->parentNode), $dom->documentElement->firstChild->parentNode);