(PHP 5 >= 5.1.0, PHP 7, PHP 8)
DOMDocumentFragment::appendXML — Append raw XML data
Appends raw XML data to a DOMDocumentFragment.
This method is not part of the DOM standard. It was created as a simpler approach for appending an XML DocumentFragment in a DOMDocument.
If you want to stick to the standards, you will have to create a temporary DOMDocument with a dummy root and then loop through the child nodes of the root of your XML data to append them.
dataXML to append.
示例 #1 Appending XML data to your document
<?php
$doc = new DOMDocument();
$doc->loadXML("<root/>");
$f = $doc->createDocumentFragment();
$f->appendXML("<foo>text</foo><bar>text2</bar>");
$doc->documentElement->appendChild($f);
echo $doc->saveXML();
?>以上示例会输出：
<?xml version="1.0"?> <root><foo>text</foo><bar>text2</bar></root>