The XMLWriter::startDocument() function is an inbuilt function in PHP which is used to start the document. This document then needs to be ended with XMLWriter::endDocument function.
Syntax:
bool XMLWriter::startDocument( string $version, string $encoding, string $standalone )
Parameters: This function accepts three parameters as mentioned above and described below:
- $version (Optional): It specifies the version number of the document as part of the XML declaration.
- $encoding (Optional): It specifies the encoding of the document as part of the XML declaration.
- $standalone (Optional): It specifies whether document is standalone or not.
Return Value: This function returns TRUE on success or FALSE on failure.
Below examples illustrate the XMLWriter::startDocument() 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' );
// Add value to the element $writer ->text( 'GeeksforGeeks' );
// End the element $writer ->endElement();
// End the document $writer ->endDocument();
?> |
Output:
<?xml version="1.0" encoding="UTF-8"?> <div>GeeksforGeeks</div>
Example 2:
<?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:orange;font-size:80px;' );
// End the attribute $writer ->endAttribute();
// Add value to the element $writer ->text( 'GeeksforGeeks' );
// End the element $writer ->endElement();
// End the document $writer ->endDocument();
?> |
Output: