PHP | XMLWriter startAttributeNs() Function
Last Updated :
07 Mar, 2024
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:
<?php
$writer = new XMLWriter();
$writer ->startDocument( '1.0' , 'UTF-8' );
$writer ->startElement( 'div' );
$writer ->startAttributeNs( 'pre' , 'attrib' , 'value' );
$writer ->text( 'value' );
$writer ->endAttribute();
$writer ->endElement();
$writer ->endDocument();
?>
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Output:
<?xml version="1.0" encoding="UTF-8"?>
<div pre:attrib="value" xmlns:pre="value"/>
Example 2:
<?php
$writer = new XMLWriter();
$writer ->startDocument( '1.0' , 'UTF-8' );
$writer ->startElement( 'div' );
$writer ->startAttributeNs( 'style' , 'attrib' , 'value' );
$writer ->text( 'color:blue' );
$writer ->endAttribute();
$writer ->text( 'Namespaced GeeksforGeeks' );
$writer ->endElement();
$writer ->startElement( 'h1' );
$writer ->startAttribute( 'style' );
$writer ->text( 'color:green' );
$writer ->endAttribute();
$writer ->text( 'Normal GeeksforGeeks' );
$writer ->endElement();
$writer ->endDocument();
?>
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Output:
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