Restrict Product Purchase At Checkout by Email Address in WooCommerce

This code adds conditional order restrictions at checkout so only customers with specific email addresses can purchase a specific product. If the customers billing email address doesn’t match, they cannot complete the purchase and a customizable notice is displayed like this :

The code enables the store owner to restrict customers from checkout by :

• Specific product ids
• Unlimited billing email addresses

Installation

Install as a new plugin or copy & paste the PHP code to the end of your child themes functions file or custom functionality plugin.

Swap out the product ID on line 17 and 26.

Swap out a comma separated list of email addresses on line 44.