When resubscribing, add a simple product in subscriptions in WooCommerce

When resubscribing, add a simple product in subscriptions in WooCommerce.

Snippet Type

Execute on Child Sites

Snippet

https://github.com/mainwp/Code-Snippets-Functions/blob/master/Execute%20a%20function%20on%20a%20child%20site/WooCommerce/when-resubscribing-add-a-simple-product-in-subscriptions.txt