d( 'order-item' );
	if ( $data_store->delete_metadata( $item_id, $meta_key, $meta_value, $delete_all ) ) {
		WC_Cache_Helper::invalidate_cache_group( 'object_' . $item_id ); // Invalidate cache.
		return true;
	}
	return false;
}

/**
 * WooCommerce Order Item Meta API - Get term meta.
 *
 * @param int    $item_id Item ID.
 * @param string $key     Meta key.
 * @param bool   $single  Whether to return a single value. (default: true).
 *
 * @throws Exception      When `WC_Data_Store::load` validation fails.
 * @return mixed
 */
function wc_get_order_item_meta( $item_id, $key, $single = true ) {
	$data_store = WC_Data_Store::load( 'order-item' );
	return $data_store->get_metadata( $item_id, $key, $single );
}

/**
 * Get order ID by order item ID.
 *
 * @param  int $item_id Item ID.
 *
 * @throws Exception    When `WC_Data_Store::load` validation fails.
 * @return int
 */
function wc_get_order_id_by_order_item_id( $item_id ) {
	$data_store = WC_Data_Store::load( 'order-item' );
	return $data_store->get_order_id_by_order_item_id( $item_id );
}
ged_in() ) {
		$customer_logout = get_option( 'woocommerce_logout_endpoint', 'customer-logout' );

		if ( ! empty( $customer_logout ) && ! empty( $items ) && is_array( $items ) ) {
			foreach ( $items as $key => $item ) {
				if ( empty( $item->url ) ) {
					continue;
				}
				$path  = wp_parse_url( $item->url, PHP_URL_PATH );
				$query = wp_parse_url( $item->url, PHP_URL_QUERY );

				if ( strstr( $path, $customer_logout ) || strstr( $query, $customer_logout ) ) {
					unset( $items[ $key ] );
				}
			}
		}
	}

	return $items;
}
add_filter( 'wp_nav_menu_objects', 'wc_nav_menu_items', 10 );


/**
 * Fix active class in nav for shop page.
 *
 * @param array $menu_items Menu items.
 * @return array
 */
function wc_nav_menu_item_classes( $menu_items ) {
	if ( ! is_woocommerce() ) {
		return $menu_items;
	}

	$shop_page      = wc_get_page_id( 'shop' );
	$page_for_posts = (int) get_option( 'page_for_posts' );

	if ( ! empty( $menu_items ) && is_array( $menu_items ) ) {
		foreach ( $menu_items as $key => $menu_item ) {
			$classes = (array) $menu_item->classes;
			$menu_id = (int) $menu_item->object_id;

			// Unset active class for blog page.
			if ( $page_for_posts === $menu_id ) {
				$menu_items[ $key ]->current = false;

				if ( in_array( 'current_page_parent', $classes, true ) ) {
					unset( $classes[ array_search( 'current_page_parent', $classes, true ) ] );
				}

				if ( in_array( 'current-menu-item', $classes, true ) ) {
					unset( $classes[ array_search( 'current-menu-item', $classes, true ) ] );
				}
			} elseif ( is_shop() && $shop_page === $menu_id && 'page' === $menu_item->object ) {
				// Set active state if this is the shop page link.
				$menu_items[ $key ]->current = true;
				$classes[]                   = 'current-menu-item';
				$classes[]                   = 'current_page_item';

			} elseif ( is_singular( 'product' ) && $shop_page === $menu_id ) {
				// Set parent state if this is a product page.
				$classes[] = 'current_page_parent';
			}

			$menu_items[ $key ]->classes = array_unique( $classes );
		}
	}

	return $menu_items;
}
add_filter( 'wp_nav_menu_objects', 'wc_nav_menu_item_classes', 2 );


/**
 * Fix active class in wp_list_pages for shop page.
 *
 * See details in https://github.com/woocommerce/woocommerce/issues/177.
 *
 * @param string $pages Pages list.
 * @return string
 */
function wc_list_pages( $pages ) {
	if ( ! is_woocommerce() ) {
		return $pages;
	}

	// Remove current_page_parent class from any item.
	$pages = str_replace( 'current_page_parent', '', $pages );
	// Find shop_page_id through woocommerce options.
	$shop_page = 'page-item-' . wc_get_page_id( 'shop' );

	if ( is_shop() ) {
		// Add current_page_item class to shop page.
		return str_replace( $shop_page, $shop_page . ' current_page_item', $pages );
	}

	// Add current_page_parent class to shop page.
	return str_replace( $shop_page, $shop_page . ' current_page_parent', $pages );
}
add_filter( 'wp_list_pages', 'wc_list_pages' );