If your WordPress Blog has a lot of pages (not posts) it becomes very hard to select them in the  pages list (WordPress back-end). A select menu with all the parent (top) pages would be a great and useful filter function (like the categories filter in the posts section).

Check this comment for a modified function which is able to filter grouped products in WooCommerce.


The function below will add the select menu with the parent pages as a filter:

How-to use this PHP code

Open the file named “functions.php” which is inside your themes directory and copy the code into this file and re-visit the pages section.

This function as based on some code I found at WP-Snippets.