PHP | DOMDocument loadXML() Function

Last Updated : 30 Aug, 2019
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The DOMDocument::loadXML() function is an inbuilt function in PHP which is used to load the XML file from a string. Syntax: 
mixed DOMDocument::loadXML( string $source, int $options = 0 )
Parameters: This function accepts two parameters as mentioned above and described below:
  • $source: This parameter holds the string containing the XML document.
  • $options: This parameter holds the Bitwise OR of the libxml option constants.
Return Value: This function returns TRUE on success or FALSE on failure. This function returns a DOMDocument if it is called statically or FALSE on failure. Below programs illustrate the DOMDocument::loadXML() function in PHP: Program 1: php 
<?php

// Create a new DOMDocument
$doc = new DOMDocument();
 
// Load the XML file
$doc->loadXML(
"<user> 
    <username>Geeks123</username> 
    <name>GeeksforGeeks</name>  
    <address>  
        <phone>+91-XXXXXXXXXX</phone>
        <email>abc@geeksforgeeks.org</email>
    </address> 
</user>");
 
// Create XML file and display it
echo $doc->saveHTML();
 
?>
Output: 
<user> 
    <username>Geeks123</username> 
    <name>GeeksforGeeks</name>  
    <address>  
        <phone>+91-XXXXXXXXXX</phone>
        <email>abc@geeksforgeeks.org</email>
    </address> 
</user>
Program 2: php 
<?php

// Create new DOMDocument
$doc = new DOMDocument();
  
// Create a comment document
$comm1 = $doc->createComment('Starting of XML document');
 
// Append element to the document
$doc->appendChild($comm1);
 
// Create XML file and display it
echo $doc->saveHTML();
 
// Load the XML file
$doc->loadXML(
"<user> 
    <username>Geeks123</username> 
    <name>GeeksforGeeks</name>  
    <address>  
        <phone>+91-XXXXXXXXXX</phone>
        <email>abc@geeksforgeeks.org</email>
    </address> 
</user>");
 
// Create comment element
$comm2 = $doc->createComment('Ending of XML document');
 
// Append element to the document
$doc->appendChild($comm2);
 
// Create XML element and display it
echo $doc->saveHTML();
 
?>
Output: 
<!--Starting of XML document-->
<user> 
    <username>Geeks123</username> 
    <name>GeeksforGeeks</name>  
    <address>  
        <phone>+91-XXXXXXXXXX</phone>
        <email>abc@geeksforgeeks.org</email>
    </address> 
</user><!--Ending of XML document-->
Reference: https://www.php.net/manual/en/domdocument.loadxml.php

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