PHP | DOMDocument createAttribute() Function

Last Updated : 27 Aug, 2019
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The DOMDocument::createAttribute() function is an inbuilt function in PHP which is used to create a new instance of class DOMAttr. Syntax: 
DOMAttr DOMDocument::createAttribute( string $name )
Parameters: This function accepts single parameter $name which holds the name of the attribute. Return Value: This function returns the new DOMAttr object on success or FALSE on failure. Below programs illustrate the DOMDocument::createAttribute() function in PHP: Program 1: php 
<?php

// Create a new DOMDocument
$domDocument = new DOMDocument('1.0', 'iso-8859-1');

// Use createElement() function to create an element node
$domElement = $domDocument->createElement('organization',
                             'A computer science portal');

// Use createAttribute() function to create an attribute node
$domAttribute = $domDocument->createAttribute('name');

// Value of created attribute
$domAttribute->value = 'GeeksforGeeks';

// Append element to the document
$domElement->appendChild($domAttribute);

// Append it to the document itself
$domDocument->appendChild($domElement);

// Save the document into XML and display it
echo $domDocument->saveXML();

?>
Output: 
<?xml version="1.0" encoding="iso-8859-1"?>
<organization name="GeeksforGeeks">A computer science portal</organization>
Program 2: php 
<?php

// Create a new DOMDocument
$domDocument = new DOMDocument('1.0', 'iso-8859-1');

// Use createElement() function to create an element node
$domElement = $domDocument->createElement('organization',
                                         'GeeksforGeeks');

$domAttribute1 = $domDocument->createAttribute('name');

// Value for the created attribute
$domAttribute1->value = 'GeeksforGeeks';

// Append element to the document
$domElement->appendChild($domAttribute1);

// Use createAttribute() function to create an attribute node
$domAttribute2 = $domDocument->createAttribute('address');

// Value for the created attribute
$domAttribute2->value = 'Noida';

// Append element to the document
$domElement->appendChild($domAttribute2);

// Use createAttribute() function to create an attribute node
$domAttribute3 = $domDocument->createAttribute('email');

// Value for the created attribute
$domAttribute3->value = 'abc@geeksforgeeks.org';

// Append element to the document
$domElement->appendChild($domAttribute3);

// Append it to the document itself
$domDocument->appendChild($domElement);

// Save the document to XML and display it
echo $domDocument->saveXML();

?>
Output: 
<?xml version="1.0" encoding="iso-8859-1"?>
<organization name="GeeksforGeeks" address="Noida" email="abc@geeksforgeeks.org">
    GeeksforGeeks
</organization>
Reference: https://www.php.net/manual/en/domdocument.createattribute.php

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