PHP | XMLWriter startAttributeNs() Function

The XMLWriter::startAttributeNs() function is an inbuilt function in PHP which is used to start namespaced attribute. This attribute can be later closed with XMLWriter::endAttribute() function. Usually styling web pages doesn’t works in a namespace attribute.

Syntax:

bool XMLWriter::startAttributeNs( string $prefix, 
string $name, string $uri )

Parameters: This function accepts three parameters as mentioned above and described below:

  • $prefix: It specifies the prefix for the namespace.
  • $name: It specifies the name for the namespace.
  • $uri: It specifies the value for the namespace.

Return Value: This function returns TRUE on success or FALSE on failure.

Below examples illustrate the XMLWriter::startAttributeNs() function in PHP:



Example 1:

filter_none

edit
close

play_arrow

link
brightness_4
code

<?php
  
// Create a new XMLWriter instance
$writer = new XMLWriter();
   
// Create the output stream as PHP
$writer->openURI('php://output');
   
// Start the document
$writer->startDocument('1.0', 'UTF-8');
   
// Start a element
$writer->startElement('div');
   
// Start the namespaced attribute
$writer->startAttributeNs('pre', 'attrib', 'value');
   
// Add value to the attribute
$writer->text('value');
   
// End the attribute
$writer->endAttribute();
   
// End the element
$writer->endElement();
   
// End the document
$writer->endDocument();
?>

chevron_right


Output:

<?xml version="1.0" encoding="UTF-8"?>
<div pre:attrib="value" xmlns:pre="value"/>

Example 2:

filter_none

edit
close

play_arrow

link
brightness_4
code

<?php
  
// Create a new XMLWriter instance
$writer = new XMLWriter();
   
// Create the output stream as PHP
$writer->openURI('php://output');
   
// Start the document
$writer->startDocument('1.0', 'UTF-8');
   
// Start a element
$writer->startElement('div');
   
// Start the namespaced attribute with style attribute
// This will not work because it is namespaced
$writer->startAttributeNs('style', 'attrib', 'value');
   
// Add value to the attribute
$writer->text('color:blue');
   
// End the attribute
$writer->endAttribute();
  
// Add value to the element
$writer->text('Namespaced GeeksforGeeks');
   
// End the element
$writer->endElement();
  
// Start a h1 element
$writer->startElement('h1');
   
// Start the style attribute
$writer->startAttribute('style');
   
// Add value to the attribute
$writer->text('color:green');
   
// End the attribute
$writer->endAttribute();
   
// Add value to the element
$writer->text('Normal GeeksforGeeks');
   
// End the element
$writer->endElement();
   
// End the document
$writer->endDocument();
?>

chevron_right


Output:

Reference: https://www.php.net/manual/en/function.xmlwriter-start-attribute-ns.php




My Personal Notes arrow_drop_up

I love Open Source Culture have contributed to phpMyAdmin, LibreOffice, Ant-Design and Web is my passion

If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.


Article Tags :
Practice Tags :


Be the First to upvote.


Please write to us at contribute@geeksforgeeks.org to report any issue with the above content.