Online PHP editor | output for BQFa7

<?php $html = <<<CDATA <p>World!</p> CDATA; $doc = new DOMDocument(); $doc->loadHTML($html); $children = $doc->childNodes; $pTag = $doc->getElementsByTagName('p')[0]; $worldTextNode = $pTag->childNodes[0]; $helloTextNode = new DOMText('Hello '); $worldTextNode->parentNode->insertBefore($helloTextNode, $worldTextNode); $newTextDoc = $helloTextNode->ownerDocument; echo is_null($helloTextNode->ownerDocument) ? 'Missing owner doc' : 'Has owner doc';