/*
Theme Name: Child Thrive Theme
Theme URI: http://thrivethemes.com/
Version: 1.0
Author: <a href="http://www.thrivethemes.com">Thrive Themes</a>
Description: Fully customizable, front end theme and template editing for WordPress has arrived! 
Template: thrive-theme
Tags: custom-background, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready, custom-everything
*/




// wp-content/mu-plugins/disable-cache-for-logged-in.php (create folder if needed)
<?php
/*
Plugin Name: Disable Cache For Logged In
*/
add_action('send_headers', function () {
    if ( is_user_logged_in() ) {
        if (!defined('DONOTCACHEPAGE')) {
            define('DONOTCACHEPAGE', true);
        }
        nocache_headers(); // sets Cache-Control: no-cache, no-store, must-revalidate
    }
});