function plt_hide_so_pinyin_slugs_menus() { //Hide the "Settings → Pinyin Slugs" menu. remove_submenu_page('options-general.php', 'so-pinyin-slugs/so-pinyin-slugs.php'); } add_action('admin_menu', 'plt_hide_so_pinyin_slugs_menus', 11);
Where do I put this code?