Learn how to validate WooCommerce checkout fields so first and last names can contain only letters, using a simple checkout validation hook.

Learn how to make WooCommerce add the same product to the cart as a separate line item instead of increasing its quantity, using a cart hook.

Learn how to programmatically remove a product from the WooCommerce cart using its product ID, by finding the cart item key and calling remove_cart_item.

Learn how to show FREE instead of a 0.00 price for free products on the WooCommerce cart and checkout pages with a simple price filter snippet.

Learn how to show a single combined error message for required WooCommerce checkout fields instead of a long list of separate field errors.

Learn how to create a custom product tab on the WooCommerce product page, next to Description and Reviews, using the woocommerce_product_tabs filter.

Learn how to remove the Description, Reviews and Additional Information tabs from WooCommerce product pages using the woocommerce_product_tabs filter.

Fix WooCommerce adding the same product to the cart again when the page is refreshed after Add to Cart, using a simple redirect snippet.