protected function current_section_in_cookie( $id ) {
		if ( empty( $_COOKIE['_wplibs_current_sections'] ) ) {
			return null;
		}

		$currents = json_decode(
			sanitize_text_field( wp_unslash( $_COOKIE['_wplibs_current_sections'] ) ), true
		);

		if ( array_key_exists( $id, $currents ) ) {
			return $currents[ $id ];
		}

		return null;
	}