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Tips on Customizing Cost Calculator

How to Hide Cost Calculator Admin Menus

function plt_hide_nd_projects_menus() {
	//Hide "Posts → Categories".
	remove_submenu_page('edit.php', 'edit-tags.php?taxonomy=nd_cc_cpt_1_tax_1');

	//Hide "Projects".
	remove_menu_page('edit.php?post_type=nd_cc_cpt_1');
	//Hide "Projects → Projects".
	remove_submenu_page('edit.php?post_type=nd_cc_cpt_1', 'edit.php?post_type=nd_cc_cpt_1');
	//Hide "Projects → Add Post".
	remove_submenu_page('edit.php?post_type=nd_cc_cpt_1', 'post-new.php?post_type=nd_cc_cpt_1');
	//Hide "Projects → Tags".
	remove_submenu_page('edit.php?post_type=nd_cc_cpt_1', 'edit-tags.php?taxonomy=post_tag&post_type=nd_cc_cpt_1');
	//Hide "Projects → Categories".
	remove_submenu_page('edit.php?post_type=nd_cc_cpt_1', 'edit-tags.php?taxonomy=nd_cc_cpt_1_tax_1&post_type=nd_cc_cpt_1');

	//Hide "Authors".
	remove_menu_page('edit.php?post_type=nd_cc_cpt_2');
	//Hide "Authors → Authors".
	remove_submenu_page('edit.php?post_type=nd_cc_cpt_2', 'edit.php?post_type=nd_cc_cpt_2');
	//Hide "Authors → Add Post".
	remove_submenu_page('edit.php?post_type=nd_cc_cpt_2', 'post-new.php?post_type=nd_cc_cpt_2');

	//Hide "Cost Calculator".
	remove_menu_page('edit.php?post_type=cost-calculator');
	//Hide "Cost Calculator → Cost Calculator".
	remove_submenu_page('edit.php?post_type=cost-calculator', 'edit.php?post_type=cost-calculator');
	//Hide "Cost Calculator → Add Post".
	remove_submenu_page('edit.php?post_type=cost-calculator', 'post-new.php?post_type=cost-calculator');

	//Hide "Projects Plugin".
	remove_menu_page('nd-projects-settings');
	//Hide "Projects Plugin → Projects Plugin".
	remove_submenu_page('nd-projects-settings', 'nd-projects-settings');
	//Hide "Projects Plugin → Import Export".
	remove_submenu_page('nd-projects-settings', 'nd-projects-settings-import-export');
	//Hide "Projects Plugin → About".
	remove_submenu_page('nd-projects-settings', 'nd-cc-welcome-theme-page');
}

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

Where do I put this code?

How to Hide Cost Calculator Meta Boxes

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

	//Hide the "Categories" meta box.
	remove_meta_box('nd_cc_cpt_1_tax_1div', $screen->id, 'side');
	//Hide the "Cost Settings" meta box.
	remove_meta_box('nd-cc-meta-box-cost-shortcode', $screen->id, 'normal');
	//Hide the "Cost Settings" meta box.
	remove_meta_box('nd-cc-meta-box-cost-id', $screen->id, 'normal');
	//Hide the "Cost Settings" meta box.
	remove_meta_box('nd-cc-meta-box-cost-id-settings', $screen->id, 'normal');
	//Hide the "Metabox" meta box.
	remove_meta_box('nd_cc_metabox_cpt_1', $screen->id, 'normal');
	//Hide the "Metabox" meta box.
	remove_meta_box('nd_cc_metabox_cpt_2', $screen->id, 'normal');
}

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

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