(PHP 5, PHP 7, PHP 8)
dom_import_simplexml — Gets a DOMElement object from a SimpleXMLElement object
This function takes the given attribute or element node (a
SimpleXMLElement instance) and creates a
DOMAttr or DOMElement node, repectively.
The new DOMNode refers to the same underlying XML node
as the SimpleXMLElement.
The DOMAttr or DOMElement.
| 版本 | 说明 |
|---|---|
| 8.0.0 |
This function no longer returns null on failure.
|
示例 #1 Import SimpleXML into DOM with dom_import_simplexml()
<?php
$sxe = simplexml_load_string('<books><book><title>blah</title></book></books>');
if ($sxe === false) {
echo 'Error while parsing the document';
exit;
}
$dom_sxe = dom_import_simplexml($sxe);
if (!$dom_sxe) {
echo 'Error while converting XML';
exit;
}
$dom = new DOMDocument('1.0');
$dom_sxe = $dom->importNode($dom_sxe, true);
$dom_sxe = $dom->appendChild($dom_sxe);
echo $dom->saveXML();
?>以上示例会输出：
<?xml version="1.0"?> <books><book><title>blah</title></book></books>
示例 #2 Import SimpleXML into DOM and modify SimpleXML through DOM
Error handling omitted for brevity.
<?php
$sxe = simplexml_load_string('<books><book><title>blah</title></book></books>');
$elt = dom_import_simplexml($sxe);
$elt->setAttribute("foo", "bar");
echo $sxe->asXML();
?>以上示例会输出：
<?xml version="1.0"?> <books foo="bar"><book><title>blah</title></book></books>