The XMLWriter::openUri() function is an inbuilt function in PHP which is used to create a new XMLWriter using source URI for output. In simple words, this function decides how to output the XML to user, it can be through a browser or directly to a file.
Syntax:
php
Output:
php
Output: This will create a new file called new.xml in the same folder with the following content
bool XMLWriter::openUri( string $uri )Parameters:This function accepts a single parameter $uri which holds the uri for output. Return Value: This function returns TRUE on success or FALSE on failure. Below examples illustrate the XMLWriter::openUri() 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('i');
// Add value to the element
$writer->text('GeeksforGeeks');
// End the element
$writer->endElement();
// End the document
$writer->endDocument();
?>
GeeksforGeeksExample 2:
<?php
// Create a new XMLWriter instance
$writer = new XMLWriter();
// Create the output stream to a file
$writer->openURI('new.xml');
// Start the document
$writer->startDocument('1.0', 'UTF-8');
// Start a element
$writer->startElement('div');
// Add value to the element
$writer->text('Hello World');
// End the element
$writer->endElement();
// End the document
$writer->endDocument();
?>