In the WooCommerce Product Add-Ons Ultimate plugin you can ensure that any categories you select in global groups that use the ‘Categories’ rule will include child products. Just add this snippet:
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| <?php | |
| /** | |
| * Ensure global categories include products in child categories | |
| */ | |
| function prefix_add_parents_to_permitted_cats( $categories, $product_id, $global, $rule ) { | |
| // Iterate through each category | |
| // If it's got children, ensure they're added to the list | |
| if( $categories ) { | |
| foreach( $categories as $cat_id ) { | |
| $children = get_term_children( $cat_id, 'product_cat' ); | |
| if( $children ) { | |
| $categories = array_merge( $categories, $children ); | |
| } | |
| } | |
| } | |
| return $categories; | |
| } | |
| add_filter( 'pewc_filter_permitted_cats', 'prefix_add_parents_to_permitted_cats', 10, 4 ); |
This is how to add a snippet.