plugin admin subpage title and links in menu not highlited at current page
In the function add_submenu_page() you have to specify a callback function at the end. Like you did it in the 2nd submenu page. You have to add this function to your code! Example: add_submenu_page( ‘my-parent’, ‘Subpage title’, ‘Subpage title’, ‘manage_options’, ‘my_subpage’, ‘subpage-handle’); function subpage-handle() { echo ‘<h1>Subpage title</h1>’; } In this function you can echo … Read more