Replace the add to cart button with a contact form if a product is out of stock 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/replace-add-to-cart-button-with-a-contact-form-if-product-is-out-of-stock.txt