The XMLWriter::startCdata() function is an inbuilt function in PHP which is used to start the CDATA. This element then needs to be closed with XMLWriter::endCdata() function. CDATA is a block of text which is not parsed by the parser but are recognized as markup.
Syntax:
bool XMLWriter::startCdata( void )
Parameters:This function doesn’t accept any parameter.
Return Value: This function returns TRUE on success or FALSE on failure.
Below examples illustrate the XMLWriter::startCdata() 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( 'h1' );
// Start the Cdata $writer ->startCdata();
// Add value to the Cdata $writer ->text( 'value' );
// End the Cdata $writer ->endCdata();
// End the element $writer ->endElement();
// End the document $writer ->endDocument();
?> |
Output:
<?xml version="1.0" encoding="UTF-8"?> <h1><![CDATA[value]]></h1>
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 element $writer ->startElement( 'p' );
// Start the Cdata $writer ->startCdata();
// Add value to the Cdata which is not // going to be visible on the webpage $writer ->text('This will be secret text,
not visible in browser');
// End the Cdata $writer ->endCdata();
// Add value to the element $writer ->text('GeeksforGeeks, portal for Computer Science.');
// End the element $writer ->endElement();
// End the document $writer ->endDocument();
?> |
Output:
<?xml version="1.0" encoding="UTF-8"?> <p><![CDATA[This will be secret text, not visible in browser]]> GeeksforGeeks, portal for Computer Science. </p>