Coupon PHP Script - Version 1 Build your own Coupon Website : The most innovative Coupon Script ever. Let your visitors save money on their purchases and at the same time earn commissions for each sale you deliver through Affiliate Programs.You don't have to add all store by yourself from AdminCP. If a new coupon is added to a store that is currently not in the database, then the script will automatically generate the store details and save to database.