DOMDocument::adoptNode

(PHP >= 8.3)

DOMDocument::adoptNode — Transfer a node from another document

说明

public DOMDocument::adoptNode(DOMNode $node): DOMNode|false

Transfer a node from another document into the current document.

参数

node

The node to transfer.

返回值

The node that was transfered, or false on error.

错误／异常

DOM_NOT_SUPPORTED_ERR

Raised if the node type is not supported for document transfers.

示例

示例 #1 DOMDocument::adoptNode() example

Transfers the hello element from the first document to the second one.

<?php
$doc1 = new DOMDocument;
$doc1->loadXML("<container><hello><world/></hello></container>");
$hello = $doc1->documentElement->firstChild;

$doc2 = new DOMDocument;
$doc2->loadXML("<root/>");
$doc2->documentElement->appendChild($doc2->adoptNode($hello));

echo $doc1->saveXML() . PHP_EOL;
echo $doc2->saveXML();
?>

以上示例会输出：

<?xml version="1.0"?>
<container/>

<?xml version="1.0"?>
<root><hello><world/></hello></root>

参见