wp_register_font_library_menu_item( string $id, string $label, string $to, string $parent_id = '', string $parent_type = '' )

45function wp_register_font_library_menu_item( $id, $label, $to, $parent_id = '', $parent_type = '' ) {46	global $wp_font_library_menu_items;47 48	$menu_item = array(49		'id'    => $id,50		'label' => $label,51		'to'    => $to,52	);53 54	if ( ! empty( $parent_id ) ) {55		$menu_item['parent'] = $parent_id;56	}57 58	if ( ! empty( $parent_type ) && in_array( $parent_type, array( 'drilldown', 'dropdown' ), true ) ) {59		$menu_item['parent_type'] = $parent_type;60	}61 62	$wp_font_library_menu_items[] = $menu_item;63}