PHP | DOMDocumentFragment appendXML() Function

Last Updated : 20 Feb, 2020
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The DOMDocument::appendXML() function is an inbuilt function in PHP which is used to append raw XML data to a DOMDocumentFragment. Syntax: 
bool DOMDocumentFragment::appendXML( string $data )
Parameters: This function accepts a single parameter $data which holds the XML to append. Return Value: This function returns TRUE on success or FALSE on failure. Below given programs illustrate the DOMDocument::appendXML() function in PHP: Program 1: php 
<?php

// Create a new DOMDocument
$doc = new DOMDocument;

// Load the XML
$doc->loadXML("<root/>");

// Create a Document Fragment
$f = $doc->createDocumentFragment();

// Append the XML to fragment
$f->appendXML(
  "<h1>Heading 1</h1><strong>Strong text</strong>");

// Append the fragment to document
$doc->documentElement->appendChild($f);

// Save the XML
echo $doc->saveXML(); 
?>
Output: 
<?xml version="1.0"?>
<root><h1>Heading 1</h1><strong>Strong text</strong></root>
Program 2: php 
<?php

// Create a new DOMDocument
$doc = new DOMDocument;

// Load the XML
$doc->loadXML("<root/>");

// Create a Document Fragment
$f = $doc->createDocumentFragment();

// Append the XML to fragment
$f->appendXML("<h1 style=\"color: red\"> Red </h1>");
$f->appendXML("<h1 style=\"color: green\"> Green </h1>");
$f->appendXML("<h1 style=\"color: blue\"> Blue </h1>");

// Append the fragment to document
$doc->documentElement->appendChild($f);

// Save the XML
echo $doc->saveXML(); 
?>
Output: 
<?xml version="1.0"?>
<root>
    <h1 style="color: red"> Red </h1>
    <h1 style="color: green"> Green </h1>
    <h1 style="color: blue"> Blue </h1>
</root>
Reference: https://www.php.net/manual/en/domdocumentfragment.appendxml.php

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