Tips on Customizing Foyer – Digital Signage for WordPress

How to Hide Foyer - Digital Signage for WordPress Admin Menus

function plt_hide_foyer_menus() {
	//Hide "Foyer".
	remove_menu_page('foyer');
	//Hide "Foyer → Displays".
	remove_submenu_page('foyer', 'edit.php?post_type=foyer_display');
	//Hide "Foyer → Channels".
	remove_submenu_page('foyer', 'edit.php?post_type=foyer_channel');
	//Hide "Foyer → Slides".
	remove_submenu_page('foyer', 'edit.php?post_type=foyer_slide');
}

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

Where do I put this code?

How to Hide Foyer - Digital Signage for WordPress Meta Boxes

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

	//Hide the "Channel" meta box.
	remove_meta_box('foyer_channel_editor', $screen->id, 'normal');
	//Hide the "Schedule temporary channel" meta box.
	remove_meta_box('foyer_channel_scheduler', $screen->id, 'normal');
	//Hide the "Slide content" meta box.
	remove_meta_box('foyer_slide_content', $screen->id, 'normal');
	//Hide the "Slides" meta box.
	remove_meta_box('foyer_slides_editor', $screen->id, 'normal');
	//Hide the "Slideshow settings" meta box.
	remove_meta_box('foyer_slides_settings', $screen->id, 'normal');
}

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