public function build_order_meta( $product_ids ) {
		if ( ! $product_ids ) {
			return array();
		}

		$meta_object = Tribe__Tickets_Plus__Main::instance()->meta();
		$meta = array();

		foreach ( $product_ids as $product_id ) {
			$data = $meta_object->get_meta_cookie_data( $product_id );

			if ( ! $data ) {
				continue;
			}

			foreach ( $data as $id => $the_meta ) {
				if ( ! isset( $meta[ $id ] ) ) {
					$meta[ $id ] = array();
				}

				foreach ( $the_meta as $mid => $metadata ) {
					$metadata = array_filter( $metadata );

					$the_meta[ $mid ] = $metadata;
				}

				$meta[ $id ] = array_merge_recursive( $meta[ $id ], $the_meta );
			}
		}

		if ( empty( $meta ) ) {
			return array();
		}

		return $meta;
	}