The DOMDocument::importNode() function is an inbuilt function in PHP which is used to return a copy of the node which need to import and associates it with the current document.
Syntax:
DOMNode DOMDocument::importNode( DOMNode $importedNode, bool $deep = FALSE )
Parameters: This function accepts two parameters as mentioned above and described below:
- $importedNode: This parameter holds the node which need to import.
- $deep: This parameter holds the Boolean value. If it set to TRUE then it will recursively import the subtree under the importedNode.
Return Value: This function returns the copied node on success or FALSE, if it cannot be copied.
Below program illustrates the DOMDocument::importNode() function in PHP:
Program:
<?php   // Create a new document $dom = new DOMDocument;   // Load the XML document $dom->loadXML("<root><contact><email>abc@geeksforgeeks.org</email> <mobile>+91-987654321</mobile></contact></root>");   // Use getElementsByTagName() function to search // all elements with given local tag name $node = $dom->getElementsByTagName("contact")->item(0);   // Create a new document $dom1 = new DOMDocument;   $dom1->formatOutput = true;   // Load the XML document $dom1->loadXML("<root><contactinfo><email>abc@geeksforgeeks.org</email> <mobile>+91-987654321</mobile></contactinfo></root>");   echo "Document before copying the nodes\n";   // Save the file in XML and display it echo $dom1->saveXML();   // Use importNode() function to import the node $node = $dom1->importNode($node, true);   // Append child to the document $dom1->documentElement->appendChild($node);   echo "\nDocument after copying the nodes\n";   // Save XML document and display it echo $dom1->saveXML();   ?> |
Output:
Document before copying the nodes
<?xml version="1.0"?>
<root>
<contactinfo><email>abc@geeksforgeeks.org</email>
<mobile>+91-987654321</mobile></contactinfo>
</root>
Document after copying the nodes
<?xml version="1.0"?>
<root>
<contactinfo><email>abc@geeksforgeeks.org</email>
<mobile>+91-987654321</mobile></contactinfo>
<contact><email>abc@geeksforgeeks.org</email>
<mobile>+91-987654321</mobile></contact>
</root>
Reference: https://www.php.net/manual/en/domdocument.importnode.php
