foreach ( $term_order as $term_id ) {
				if ( isset( $terms_by_id[ "$term_id" ] ) ) {
					$return[] = $terms_by_id[ "$term_id" ];
					unset( $terms_by_id[ "$term_id" ] );
				}
			}

			foreach ( $terms_by_id as $term_id => $term ) {
				$return[] = $term;
			}

			return $return;
		}

		/**
		 * Get first menu taxonomy "leaf".
		 *
		 * @param int $post_id Post ID.
		 *
		 * @return bool|\WP_Term|\WP_Error|null
		 */
		public function get_menu_item_menu_leaf( $post_id ) {
			// Get first menu taxonomy "leaf".
			$term_ids = wp_get_object_terms( $post_id, self::MENU_TAX, array( 'fields' => 'ids' ) );

			foreach ( $term_ids as $term_id ) { // possibly ignore PhanTypeSuspiciousNonTraversableForeach
				$children = get_term_children( $term_id, self::MENU_TAX );
				if ( ! $children ) {
					break;
				}
			}

			if ( ! isset( $term_id ) ) {
				return false;
			}

			return get_term( $term_id, self::MENU_TAX );
		}

		/**
		 * Get a list of the labels linked to a menu item.
		 *
		 * @param int $post_id Post ID.
		 *
		 * @return void
		 */
		public function list_labels( $post_id = 0 ) {
			$post = get_post( $post_id );
			echo get_the_term_list( $post->ID, self::MENU_ITEM_LABEL_TAX, '', _x( ', ', 'Nova label separator', 'jetpack-classic-theme-helper' ), '' );
		}

		/**
		 * Get a list of the labels linked to a menu item, with links to manage them.
		 *
		 * @param int $post_id Post ID.
		 *
		 * @return void
		 */
		public function list_admin_labels( $post_id = 0 ) {
			$post   = get_post( $post_id );
			$labels = get_the_terms( $post->ID, self::MENU_ITEM_LABEL_TAX );
			if ( ! empty( $labels ) ) {
				$out = array();
				foreach ( $labels as $label ) { // possibly ignore PhanTypeSuspiciousNonTraversableForeach
					$out[] = sprintf(
						'<a href="%s">%s</a>',
						esc_url(
							add_query_arg(
								array(
									'post_type' => self::MENU_ITEM_POST_TYPE,
									'taxonomy'  => self::MENU_ITEM_LABEL_TAX,
									'term'      => $label->slug,
								),
								'edit.php'
							)
						),
						esc_html(
							sanitize_term_field( 'name', $label->name, $label->term_id, self::MENU_ITEM_LABEL_TAX, 'display' )
						)
					);
				}

				echo implode( _x( ', ', 'Nova label separator', 'jetpack-classic-theme-helper' ), $out ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- we build $out ourselves and escape things there.
			} else {
				esc_html_e( 'No Labels', 'jetpack-classic-theme-helper' );
			}
		}

		/**
		 * Update post meta with the price defined in meta box.
		 *
		 * @param int    $post_id Post ID.
		 * @param string $price   Price.
		 *
		 * @return int|bool
		 */
		public function set_price( $post_id = 0, $price = '' ) {
			return update_post_meta( $post_id, 'nova_price', $price );
		}

		/**
		 * Get the price of a menu item.
		 *
		 * @param int $post_id Post ID.
		 *
		 * @return bool|string
		 */
		public function get_price( $post_id = 0 ) {
			return get_post_meta( $post_id, 'nova_price', true );
		}

		/**
		 * Echo the price of a menu item.
		 *
		 * @param int $post_id Post ID.
		 *
		 * @return void
		 */
		public function display_price( $post_id = 0 ) {
			echo esc_html( $this->get_price( $post_id ) );
		}

		/* Menu Item Loop Markup */

		/**
		 * Get markup for a menu item.
		 * Note: Does not support nested loops.
		 *
		 * @param null|string $field The field to get the value for.
		 *
		 * @return array
		 */
		public function get_menu_item_loop_markup( $field = null ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
			return $this->menu_item_loop_markup;
		}

		/**
		 * Sets up the loop markup.
		 * Attached to the 'template_include' *filter*,
		 * which fires only during a real blog view (not in admin, feeds, etc.)
		 *
		 * @param string $template Template File.
		 *
		 * @return string Template File.  VERY Important.
		 */
		public function setup_menu_item_loop_markup__in_filter( $template ) {
			add_action( 'loop_start', array( $this, 'start_menu_item_loop' ) );

			return $template;
		}

		/**
		 * If the Query is a Menu Item Query, start outputing the Menu Item Loop Marku
		 * Attached to the 'loop_start' action.
		 *
		 * @param WP_Query $query Post query.
		 *
		 * @return void
		 */
		public function start_menu_item_loop( $query ) {
			if ( ! $this->is_menu_item_query( $query ) ) {
				return;
			}

			$this->menu_item_loop_last_term_id = false;
			$this->menu_item_loop_current_term = false;

			add_action( 'the_post', array( $this, 'menu_item_loop_each_post' ) );
			add_action( 'loop_end', array( $this, 'stop_menu_item_loop' ) );
		}

		/**
		 * Outputs the Menu Item Loop Markup
		 * Attached to the 'the_post' action.
		 *
		 * @param WP_Post $post Post object.
		 *
		 * @return void
		 */
		public function menu_item_loop_each_post( $post ) {
			$this->menu_item_loop_current_term = $this->get_menu_item_menu_leaf( $post->ID );

			if (
				false === $this->menu_item_loop_current_term
				|| null === $this->menu_item_loop_current_term
				|| is_wp_error( $this->menu_item_loop_current_term )
			) {
				return;
			}

			if ( false === $this->menu_item_loop_last_term_id ) {
				// We're at the very beginning of the loop

				$this->menu_item_loop_open_element( 'menu' ); // Start a new menu section
				$this->menu_item_loop_header(); // Output the menu's header
			} elseif (
				is_object( $this->menu_item_loop_current_term ) &&
				$this->menu_item_loop_last_term_id !== $this->menu_item_loop_current_term->term_id
			) {
				// We're not at the very beginning but still need to start a new menu section.  End the previous menu section first.

				$this->menu_item_loop_close_element( 'menu' ); // End the previous menu section
				$this->menu_item_loop_open_element( 'menu' ); // Start a new menu section
				$this->menu_item_loop_header(); // Output the menu's header
			}
			if ( is_object( $this->menu_item_loop_current_term ) ) {

				$this->menu_item_loop_last_term_id = $this->menu_item_loop_current_term->term_id;
			}
		}

		/**
		 * If the Query is a Menu Item Query, stop outputing the Menu Item Loop Marku
		 * Attached to the 'loop_end' action.
		 *
		 * @param WP_Query $query Post query.
		 *
		 * @return void
		 */
		public function stop_menu_item_loop( $query ) {
			if ( ! $this->is_menu_item_query( $query ) ) {
				return;
			}

			remove_action( 'the_post', array( $this, 'menu_item_loop_each_post' ) );
			remove_action( 'loop_start', array( $this, 'start_menu_item_loop' ) );
			remove_action( 'loop_end', array( $this, 'stop_menu_item_loop' ) );

			$this->menu_item_loop_close_element( 'menu' ); // End the last menu section
		}

		/**
		 * Outputs the Menu Group Header
		 *
		 * @return void
		 */
		public function menu_item_loop_header() {
			$this->menu_item_loop_open_element( 'menu_header' );
				$this->menu_item_loop_open_element( 'menu_title' );
					echo esc_html( $this->menu_item_loop_current_term->name ); // @todo tax filter
				$this->menu_item_loop_close_element( 'menu_title' );
			if ( $this->menu_item_loop_current_term->description ) :
				$this->menu_item_loop_open_element( 'menu_description' );
					echo esc_html( $this->menu_item_loop_current_term->description ); // @todo kses, tax filter
				$this->menu_item_loop_close_element( 'menu_description' );
			endif;
			$this->menu_item_loop_close_element( 'menu_header' );
		}

		/**
		 * Outputs a Menu Item Markup element opening tag
		 *
		 * @param string $field - Menu Item Markup settings field.
		 *
		 * @return void
		 */
		public function menu_item_loop_open_element( $field ) {
			$markup = $this->get_menu_item_loop_markup();
			/**
			 * Filter a menu item's element opening tag.
			 *
			 * @module custom-content-types
			 *
			 * @since 4.4.0
			 *
			 * @param string       $tag    Menu item's element opening tag.
			 * @param string       $field  Menu Item Markup settings field.
			 * @param array        $markup Array of markup elements for the menu item.
			 * @param false|object $term   Taxonomy term for current menu item.
			 */
			echo apply_filters( // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- it's escaped in menu_item_loop_class.
				'jetpack_nova_menu_item_loop_open_element',
				'<' . tag_escape( $markup[ "{$field}_tag" ] ) . $this->menu_item_loop_class( $markup[ "{$field}_class" ] ) . ">\n",
				$field,
				$markup,
				$this->menu_item_loop_current_term
			);
		}

		/**
		 * Outputs a Menu Item Markup element closing tag
		 *
		 * @param string $field - Menu Item Markup settings field.
		 *
		 * @return void
		 */
		public function menu_item_loop_close_element( $field ) {
			$markup = $this->get_menu_item_loop_markup();
			/**
			 * Filter a menu item's element closing tag.
			 *
			 * @module custom-content-types
			 *
			 * @since 4.4.0
			 *
			 * @param string       $tag    Menu item's element closing tag.
			 * @param string       $field  Menu Item Markup settings field.
			 * @param array        $markup Array of markup elements for the menu item.
			 * @param false|object $term   Taxonomy term for current menu item.
			 */
			echo apply_filters( // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- tag_escape is used.
				'jetpack_nova_menu_item_loop_close_element',
				'</' . tag_escape( $markup[ "{$field}_tag" ] ) . ">\n",
				$field,
				$markup,
				$this->menu_item_loop_current_term
			);
		}

		/**
		 * Returns a Menu Item Markup element's class attribute.
		 *
		 * @param  string $class Class name.
		 *
		 * @return string HTML class attribute with leading whitespace.
		 */
		public function menu_item_loop_class( $class ) {
			if ( ! $class ) {
				return '';
			}

			/**
			 * Filter a menu Item Markup element's class attribute.
			 *
			 * @module custom-content-types
			 *
			 * @since 4.4.0
			 *
			 * @param string       $tag    Menu Item Markup element's class attribute.
			 * @param string       $class  Menu Item Class name.
			 * @param false|object $term   Taxonomy term for current menu item.
			 */
			return apply_filters(
				'jetpack_nova_menu_item_loop_class',
				' class="' . esc_attr( $class ) . '"',
				$class,
				$this->menu_item_loop_current_term
			);
		}
	}

}
foreach ( $term_order as $term_id ) {
				if ( isset( $terms_by_id[ "$term_id" ] ) ) {
					$return[] = $terms_by_id[ "$term_id" ];
					unset( $terms_by_id[ "$term_id" ] );
				}
			}

			foreach ( $terms_by_id as $term_id => $term ) {
				$return[] = $term;
			}

			return $return;
		}

		/**
		 * Get first menu taxonomy "leaf".
		 *
		 * @param int $post_id Post ID.
		 *
		 * @return bool|\WP_Term|\WP_Error|null
		 */
		public function get_menu_item_menu_leaf( $post_id ) {
			// Get first menu taxonomy "leaf".
			$term_ids = wp_get_object_terms( $post_id, self::MENU_TAX, array( 'fields' => 'ids' ) );

			foreach ( $term_ids as $term_id ) { // possibly ignore PhanTypeSuspiciousNonTraversableForeach
				$children = get_term_children( $term_id, self::MENU_TAX );
				if ( ! $children ) {
					break;
				}
			}

			if ( ! isset( $term_id ) ) {
				return false;
			}

			return get_term( $term_id, self::MENU_TAX );
		}

		/**
		 * Get a list of the labels linked to a menu item.
		 *
		 * @param int $post_id Post ID.
		 *
		 * @return void
		 */
		public function list_labels( $post_id = 0 ) {
			$post = get_post( $post_id );
			echo get_the_term_list( $post->ID, self::MENU_ITEM_LABEL_TAX, '', _x( ', ', 'Nova label separator', 'jetpack-classic-theme-helper' ), '' );
		}

		/**
		 * Get a list of the labels linked to a menu item, with links to manage them.
		 *
		 * @param int $post_id Post ID.
		 *
		 * @return void
		 */
		public function list_admin_labels( $post_id = 0 ) {
			$post   = get_post( $post_id );
			$labels = get_the_terms( $post->ID, self::MENU_ITEM_LABEL_TAX );
			if ( ! empty( $labels ) ) {
				$out = array();
				foreach ( $labels as $label ) { // possibly ignore PhanTypeSuspiciousNonTraversableForeach
					$out[] = sprintf(
						'<a href="%s">%s</a>',
						esc_url(
							add_query_arg(
								array(
									'post_type' => self::MENU_ITEM_POST_TYPE,
									'taxonomy'  => self::MENU_ITEM_LABEL_TAX,
									'term'      => $label->slug,
								),
								'edit.php'
							)
						),
						esc_html(
							sanitize_term_field( 'name', $label->name, $label->term_id, self::MENU_ITEM_LABEL_TAX, 'display' )
						)
					);
				}

				echo implode( _x( ', ', 'Nova label separator', 'jetpack-classic-theme-helper' ), $out ); // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- we build $out ourselves and escape things there.
			} else {
				esc_html_e( 'No Labels', 'jetpack-classic-theme-helper' );
			}
		}

		/**
		 * Update post meta with the price defined in meta box.
		 *
		 * @param int    $post_id Post ID.
		 * @param string $price   Price.
		 *
		 * @return int|bool
		 */
		public function set_price( $post_id = 0, $price = '' ) {
			return update_post_meta( $post_id, 'nova_price', $price );
		}

		/**
		 * Get the price of a menu item.
		 *
		 * @param int $post_id Post ID.
		 *
		 * @return bool|string
		 */
		public function get_price( $post_id = 0 ) {
			return get_post_meta( $post_id, 'nova_price', true );
		}

		/**
		 * Echo the price of a menu item.
		 *
		 * @param int $post_id Post ID.
		 *
		 * @return void
		 */
		public function display_price( $post_id = 0 ) {
			echo esc_html( $this->get_price( $post_id ) );
		}

		/* Menu Item Loop Markup */

		/**
		 * Get markup for a menu item.
		 * Note: Does not support nested loops.
		 *
		 * @param null|string $field The field to get the value for.
		 *
		 * @return array
		 */
		public function get_menu_item_loop_markup( $field = null ) { // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.UnusedVariable
			return $this->menu_item_loop_markup;
		}

		/**
		 * Sets up the loop markup.
		 * Attached to the 'template_include' *filter*,
		 * which fires only during a real blog view (not in admin, feeds, etc.)
		 *
		 * @param string $template Template File.
		 *
		 * @return string Template File.  VERY Important.
		 */
		public function setup_menu_item_loop_markup__in_filter( $template ) {
			add_action( 'loop_start', array( $this, 'start_menu_item_loop' ) );

			return $template;
		}

		/**
		 * If the Query is a Menu Item Query, start outputing the Menu Item Loop Marku
		 * Attached to the 'loop_start' action.
		 *
		 * @param WP_Query $query Post query.
		 *
		 * @return void
		 */
		public function start_menu_item_loop( $query ) {
			if ( ! $this->is_menu_item_query( $query ) ) {
				return;
			}

			$this->menu_item_loop_last_term_id = false;
			$this->menu_item_loop_current_term = false;

			add_action( 'the_post', array( $this, 'menu_item_loop_each_post' ) );
			add_action( 'loop_end', array( $this, 'stop_menu_item_loop' ) );
		}

		/**
		 * Outputs the Menu Item Loop Markup
		 * Attached to the 'the_post' action.
		 *
		 * @param WP_Post $post Post object.
		 *
		 * @return void
		 */
		public function menu_item_loop_each_post( $post ) {
			$this->menu_item_loop_current_term = $this->get_menu_item_menu_leaf( $post->ID );

			if (
				false === $this->menu_item_loop_current_term
				|| null === $this->menu_item_loop_current_term
				|| is_wp_error( $this->menu_item_loop_current_term )
			) {
				return;
			}

			if ( false === $this->menu_item_loop_last_term_id ) {
				// We're at the very beginning of the loop

				$this->menu_item_loop_open_element( 'menu' ); // Start a new menu section
				$this->menu_item_loop_header(); // Output the menu's header
			} elseif (
				is_object( $this->menu_item_loop_current_term ) &&
				$this->menu_item_loop_last_term_id !== $this->menu_item_loop_current_term->term_id
			) {
				// We're not at the very beginning but still need to start a new menu section.  End the previous menu section first.

				$this->menu_item_loop_close_element( 'menu' ); // End the previous menu section
				$this->menu_item_loop_open_element( 'menu' ); // Start a new menu section
				$this->menu_item_loop_header(); // Output the menu's header
			}
			if ( is_object( $this->menu_item_loop_current_term ) ) {

				$this->menu_item_loop_last_term_id = $this->menu_item_loop_current_term->term_id;
			}
		}

		/**
		 * If the Query is a Menu Item Query, stop outputing the Menu Item Loop Marku
		 * Attached to the 'loop_end' action.
		 *
		 * @param WP_Query $query Post query.
		 *
		 * @return void
		 */
		public function stop_menu_item_loop( $query ) {
			if ( ! $this->is_menu_item_query( $query ) ) {
				return;
			}

			remove_action( 'the_post', array( $this, 'menu_item_loop_each_post' ) );
			remove_action( 'loop_start', array( $this, 'start_menu_item_loop' ) );
			remove_action( 'loop_end', array( $this, 'stop_menu_item_loop' ) );

			$this->menu_item_loop_close_element( 'menu' ); // End the last menu section
		}

		/**
		 * Outputs the Menu Group Header
		 *
		 * @return void
		 */
		public function menu_item_loop_header() {
			$this->menu_item_loop_open_element( 'menu_header' );
				$this->menu_item_loop_open_element( 'menu_title' );
					echo esc_html( $this->menu_item_loop_current_term->name ); // @todo tax filter
				$this->menu_item_loop_close_element( 'menu_title' );
			if ( $this->menu_item_loop_current_term->description ) :
				$this->menu_item_loop_open_element( 'menu_description' );
					echo esc_html( $this->menu_item_loop_current_term->description ); // @todo kses, tax filter
				$this->menu_item_loop_close_element( 'menu_description' );
			endif;
			$this->menu_item_loop_close_element( 'menu_header' );
		}

		/**
		 * Outputs a Menu Item Markup element opening tag
		 *
		 * @param string $field - Menu Item Markup settings field.
		 *
		 * @return void
		 */
		public function menu_item_loop_open_element( $field ) {
			$markup = $this->get_menu_item_loop_markup();
			/**
			 * Filter a menu item's element opening tag.
			 *
			 * @module custom-content-types
			 *
			 * @since 4.4.0
			 *
			 * @param string       $tag    Menu item's element opening tag.
			 * @param string       $field  Menu Item Markup settings field.
			 * @param array        $markup Array of markup elements for the menu item.
			 * @param false|object $term   Taxonomy term for current menu item.
			 */
			echo apply_filters( // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- it's escaped in menu_item_loop_class.
				'jetpack_nova_menu_item_loop_open_element',
				'<' . tag_escape( $markup[ "{$field}_tag" ] ) . $this->menu_item_loop_class( $markup[ "{$field}_class" ] ) . ">\n",
				$field,
				$markup,
				$this->menu_item_loop_current_term
			);
		}

		/**
		 * Outputs a Menu Item Markup element closing tag
		 *
		 * @param string $field - Menu Item Markup settings field.
		 *
		 * @return void
		 */
		public function menu_item_loop_close_element( $field ) {
			$markup = $this->get_menu_item_loop_markup();
			/**
			 * Filter a menu item's element closing tag.
			 *
			 * @module custom-content-types
			 *
			 * @since 4.4.0
			 *
			 * @param string       $tag    Menu item's element closing tag.
			 * @param string       $field  Menu Item Markup settings field.
			 * @param array        $markup Array of markup elements for the menu item.
			 * @param false|object $term   Taxonomy term for current menu item.
			 */
			echo apply_filters( // phpcs:ignore WordPress.Security.EscapeOutput.OutputNotEscaped -- tag_escape is used.
				'jetpack_nova_menu_item_loop_close_element',
				'</' . tag_escape( $markup[ "{$field}_tag" ] ) . ">\n",
				$field,
				$markup,
				$this->menu_item_loop_current_term
			);
		}

		/**
		 * Returns a Menu Item Markup element's class attribute.
		 *
		 * @param  string $class Class name.
		 *
		 * @return string HTML class attribute with leading whitespace.
		 */
		public function menu_item_loop_class( $class ) {
			if ( ! $class ) {
				return '';
			}

			/**
			 * Filter a menu Item Markup element's class attribute.
			 *
			 * @module custom-content-types
			 *
			 * @since 4.4.0
			 *
			 * @param string       $tag    Menu Item Markup element's class attribute.
			 * @param string       $class  Menu Item Class name.
			 * @param false|object $term   Taxonomy term for current menu item.
			 */
			return apply_filters(
				'jetpack_nova_menu_item_loop_class',
				' class="' . esc_attr( $class ) . '"',
				$class,
				$this->menu_item_loop_current_term
			);
		}
	}

}