Online PHP editor | refs for OkNIs

<?php $dom = new DOMDocument(); $dom->loadXML('<dip xmlns="http://itzbund.de/ozg/bzst/post/dip/v1/" version="1.0"/>'); $xpath = new DOMXpath($dom); $xpath->registerNamespace("x", "http://itzbund.de/ozg/bzst/post/dip/v1/"); $elements = $xpath->query("//x:dip"); var_dump($elements); $dom = new DOMDocument(); $dom->loadXML('<dip:dip xmlns:dip="http://itzbund.de/ozg/bzst/post/dip/v1/" version="1.0"/>'); $xpath = new DOMXpath($dom); $xpath->registerNamespace("x", "http://itzbund.de/ozg/bzst/post/dip/v1/"); $elements = $xpath->query("//x:dip"); var_dump($elements);