Enable hidden settings for admins This snippet adds a new options page showing all site settings which are normally hidden...
Remove meta boxes on post edit screen Your client may be confused by the meta boxes. Hide them with this function and...
Disable Submenus from the Admin Panel Hide menu items in your admin area. The menu-IDs are found in wp-admin/menu.php
Limit client admin menu access Restrict access for a specified username and limit their access in the site's admin panel.