This plugin allow to hide or show menu items,
This plugin allows to disable menu items and hide them from menu without
the need to delete them.
This plugin use phpQuery 0.9.5 from Tobiasz Cudnik
* phpQuery is a server-side, chainable, CSS3 selector driven
* Document Object Model (DOM) API based on jQuery JavaScript Library.
http://code.google.com/p/phpquery/
Upload plugin folder to plugins folder.
Enable plugin.
Go to appearance menu options.
In every menu item will be a new option “Disable”, use it.
WordPress has not a filter to hook custom fields on menus as explained
here:
https://wordpress.org/plugins/nav-menu-roles/faq/#conflict
Version 1.1 of this plugin implements the fix proposed to work with
another plugins.