Occasionally, your hosting provider may restrict the use of the top toolbar in WordPress, or as an agency, you might prefer to keep the top toolbar hidden from your clients. In such cases, it would be more convenient to have the ‘Purge All Cache’ button located in the left menu of the WordPress Dashboard.
For such cases, the ‘Purge All Cache’ button can be displayed in the left menu by adding the following line to your wp-config.php file.
define('FPO_LEFT_MENU_PURGE', true);
