PHP | XMLWriter startAttribute() Function

The XMLWriter::startAttribute() function is an inbuilt function in PHP which is used to start attribute. This attribute can be later closed with XMLWriter::endAttribute() function.

Syntax:

bool XMLWriter::startAttribute( string $name )

Parameters: This function accepts a single parameter $name which holds the name of attribute.

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

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

Example 1:

<?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 attribute
$writer->startAttribute('attrib');

// Add value to the attribute
$writer->text('value');

// End the attribute
$writer->endAttribute();

// End the element
$writer->endElement();

// End the document
$writer->endDocument();
?>

Output:

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

Example 2: In this example we will add styling to the element

<?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 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('GeeksforGeeks');

// End the element
$writer->endElement();

// End the document
$writer->endDocument();
?>

Output: