Tips on Customizing Print Labels with Barcodes. Create price tags, product labels, order labels for WooCommerce

How to Hide Barcode Label Printing for WooCommerce and others plugins - (demo) Admin Menus

function plt_hide_a4_barcode_generator_menus() {
	//Hide "Label Printing".
	remove_menu_page('wpbcu-barcode-generator');
	//Hide "Label Printing → Open Preview".
	remove_submenu_page('wpbcu-barcode-generator', 'wpbcu-barcode-generator');
	//Hide "Label Printing → Create Manually".
	remove_submenu_page('wpbcu-barcode-generator', 'wpbcu-barcode-generator&m=1');
	//Hide "Label Printing → From "Products" page".
	remove_submenu_page('wpbcu-barcode-generator', 'edit.php?post_type=product#b=products');
	//Hide "Label Printing → From "Orders" page".
	remove_submenu_page('wpbcu-barcode-generator', 'edit.php?post_type=shop_order#b=orders');
	//Hide "Label Printing → From "Bulk list"".
	remove_submenu_page('wpbcu-barcode-generator', 'wpbcu-import-list');
	//Hide "Label Printing → Label Templates".
	remove_submenu_page('wpbcu-barcode-generator', 'wpbcu-barcode-templates-edit');
	//Hide "Label Printing → Settings".
	remove_submenu_page('wpbcu-barcode-generator', 'wpbcu-barcode-settings');
	//Hide "Label Printing → Support".
	remove_submenu_page('wpbcu-barcode-generator', 'wpbcu-barcode-generator-support');
	//Hide "Label Printing → FAQ".
	remove_submenu_page('wpbcu-barcode-generator', 'wpbcu-barcode-generator-faq');
}

add_action('admin_menu', 'plt_hide_a4_barcode_generator_menus', 11);

Where do I put this code?

How to Hide Barcode Label Printing for WooCommerce and others plugins - (demo) Meta Boxes

function plt_hide_a4_barcode_generator_metaboxes() {
	$screen = get_current_screen();
	if ( !$screen ) {
		return;
	}

	//Hide the "Print labels" meta box.
	remove_meta_box('barcode-print-order-create', $screen->id, 'side');
	//Hide the "Order Label" meta box.
	remove_meta_box('barcode-print-atum-po-create', $screen->id, 'side');
}

add_action('add_meta_boxes', 'plt_hide_a4_barcode_generator_metaboxes', 20);