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   // 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   // 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('neveropen');   // End the element $writer->endElement();   // End the document $writer->endDocument(); ?> |
Output:
Reference: https://www.php.net/manual/en/function.xmlwriter-start-attribute.php
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