Take from the parent.

You can retrieve a field value from a parent post in WordPress. This is a common task in WordPress development, especially when working with hierarchical post types like pages.

Here’s a general approach to do this:

  1. Get the Parent Post ID: First, you need to get the ID of the parent post. If you’re in the loop, you can use get_post_field to get the parent post ID of the current post.
   $parent_id = get_post_field('post_parent', get_the_ID());
  1. Get the Field Value from the Parent Post: Once you have the parent post ID, you can use functions like get_post_meta or Advanced Custom Fields (ACF) function get_field (if you’re using ACF) to get the field value from the parent post. Using get_post_meta:
   $field_value = get_post_meta($parent_id, 'your_field_name', true);

Using ACF’s get_field:

   $field_value = get_field('your_field_name', $parent_id);

Remember to replace 'your_field_name' with the actual name of your custom field.