How can PHP headers be utilized to ensure that browsers do not cache images generated dynamically by PHP scripts?

When generating images dynamically using PHP scripts, it is important to prevent browsers from caching these images to ensure that the most up-to-date version is always displayed. This can be achieved by sending appropriate headers in the PHP script to instruct the browser not to cache the image. 

<?php
// Set appropriate headers to prevent caching of dynamically generated images
header("Cache-Control: no-cache, no-store, must-revalidate");
header("Pragma: no-cache");
header("Expires: 0");

// Generate and output the image here
?>

Keywords

PHP headers browser caching dynamic images cache control no-cache

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