The add_menu_page and add_submenu_page functions are used to add menu and submenu items to our WordPress dashboard. For example, in the screen-shot below, we have added a new Shiba Themes menu. It contains the submenus Shiba Themes, Add New, and Theme Options. Here we consider some common tasks that we may want to perform using add_menu_page and add_submenu_page including – Add a new custom post t