Get_Admin_Page_Parent() is a useful WordPress function that retrieves the parent file of the current admin page, which can be used to create submenus or pages within the WordPress dashboard
Learn how to use the WordPress 'get_theme_root()' PHP function, which retrieves the path to the themes directory without a trailing slash, with this informative article and its examples
Learn how to use the WordPress `get_theme_file_uri()` function to retrieve the URL of a file in the theme's stylesheet or template directory with this comprehensive guide