DOMDocument::importNode

(PHP 5, PHP 7)

DOMDocument::importNode — Import node into current document

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public DOMDocument::importNode ( DOMNode $importedNode [, bool $deep = FALSE ] ) : DOMNode

This function returns a copy of the node to import and associates it with the current document.

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importedNode: The node to import.
deep: If set to TRUE, this method will recursively import the subtree under the importedNode.

Note:
To copy the nodes attributes deep needs to be set to TRUE

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The copied node or FALSE, if it cannot be copied.

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DOMException is thrown if node cannot be imported.

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Example #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();
?>

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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>