This guide shows how to add a file upload feature to WooCommerce user registration. Learn how to validate and store the file securely.
Find out how to compute the distance between two locations using PHP and the Haversine formula. Use latitude and longitude for accurate calculations.
Use WooCommerce hooks and custom functions to disable repeat purchases and prevent customers from adding the same product more than once in their cart.
Master the art of validating form fields using jQuery on the client-side and WordPress for server-side checks to create reliable and secure forms.
