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   // 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 = 'neveropen';   // 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="neveropen">A computer science portal</organization>
Program 2:
<?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',                                          'neveropen');   $domAttribute1 = $domDocument->createAttribute('name');   // Value for the created attribute $domAttribute1->value = 'neveropen';   // 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="neveropen" address="Noida" email="abc@geeksforgeeks.org">
neveropen
</organization>
Reference: https://www.php.net/manual/en/domdocument.createattribute.php
