Tips on Customizing Learning Management System, eLearning, Course Builder, WordPress LMS Plugin – Sikshya LMS

How to Hide Sikshya Admin Menus

function plt_hide_sikshya_menus() {
	//Hide "Sikshya".
	remove_menu_page('edit.php?post_type=sik_courses');
	//Hide "Sikshya → Courses".
	remove_submenu_page('edit.php?post_type=sik_courses', 'edit.php?post_type=sik_courses');
	//Hide "Sikshya → Add New Course".
	remove_submenu_page('edit.php?post_type=sik_courses', 'post-new.php?post_type=sik_courses');
	//Hide "Sikshya → Category".
	remove_submenu_page('edit.php?post_type=sik_courses', 'edit-tags.php?taxonomy=sik_course_category&post_type=sik_courses');
	//Hide "Sikshya → Tag".
	remove_submenu_page('edit.php?post_type=sik_courses', 'edit-tags.php?taxonomy=sik_course_tag&post_type=sik_courses');
	//Hide "Sikshya → Lessons".
	remove_submenu_page('edit.php?post_type=sik_courses', 'edit.php?post_type=sik_lessons');
	//Hide "Sikshya → Sections".
	remove_submenu_page('edit.php?post_type=sik_courses', 'edit.php?post_type=sik_sections');
	//Hide "Sikshya → Quizzes".
	remove_submenu_page('edit.php?post_type=sik_courses', 'edit.php?post_type=sik_quizzes');
	//Hide "Sikshya → Questions".
	remove_submenu_page('edit.php?post_type=sik_courses', 'edit.php?post_type=sik_questions');
	//Hide "Sikshya → Orders".
	remove_submenu_page('edit.php?post_type=sik_courses', 'edit.php?post_type=sik_orders');
	//Hide "Sikshya → Students".
	remove_submenu_page('edit.php?post_type=sik_courses', 'students');
	//Hide "Sikshya → Status".
	remove_submenu_page('edit.php?post_type=sik_courses', 'sikshya-status');
	//Hide "Sikshya → Settings".
	remove_submenu_page('edit.php?post_type=sik_courses', 'sik-settings');
	//Hide "Sikshya → About".
	remove_submenu_page('edit.php?post_type=sik_courses', 'sikshya-about');
	//Hide "Sikshya → Import/Export".
	remove_submenu_page('edit.php?post_type=sik_courses', 'sikshya_course_import_export');
}

add_action('admin_menu', 'plt_hide_sikshya_menus', 56);

Where do I put this code?

How to Hide Sikshya Meta Boxes

function plt_hide_sikshya_metaboxes() {
	$screen = get_current_screen();
	if ( !$screen ) {
		return;
	}

	//Hide the "Section Options" meta box.
	remove_meta_box('sik_sections_section', $screen->id, 'normal');
	//Hide the "Assigned" meta box.
	remove_meta_box('sik_lessons_course', $screen->id, 'side');
	//Hide the "Assigned" meta box.
	remove_meta_box('sik_quizzes_course', $screen->id, 'side');
	//Hide the "Assigned" meta box.
	remove_meta_box('sik_questions_course', $screen->id, 'side');
}

add_action('add_meta_boxes', 'plt_hide_sikshya_metaboxes', 20);