(PHP 5, PHP 7, PHP 8)
DOMDocument::importNode — Import node into current document
This function returns a copy of the node to import and associates it with the current document.
nodeThe node to import.
deep
If set to true, this method will recursively import the subtree under
the node.
注意:
To copy the nodes attributes
deepneeds to be set totrue
The copied node or false, if it cannot be copied.
DOMException is thrown if node cannot be imported.
示例 #1 DOMDocument::importNode() example
Copying nodes between documents.
<?php
$orgdoc = new DOMDocument;
$orgdoc->loadXML("<root><element><child>text in child</child></element></root>");
// The node we want to import to a new document
$node = $orgdoc->getElementsByTagName("element")->item(0);
// Create a new document
$newdoc = new DOMDocument;
$newdoc->formatOutput = true;
// Add some markup
$newdoc->loadXML("<root><someelement>text in some element</someelement></root>");
echo "The 'new document' before copying nodes into it:\n";
echo $newdoc->saveXML();
// Import the node, and all its children, to the document
$node = $newdoc->importNode($node, true);
// And then append it to the "<root>" node
$newdoc->documentElement->appendChild($node);
echo "\nThe 'new document' after copying the nodes into it:\n";
echo $newdoc->saveXML();
?>
以上例程會(huì )輸出：
The 'new document' before copying nodes into it:
<?xml version="1.0"?>
<root>
<someelement>text in some element</someelement>
</root>
The 'new document' after copying the nodes into it:
<?xml version="1.0"?>
<root>
<someelement>text in some element</someelement>
<element>
<child>text in child</child>
</element>
</root>