David Carrdcblog.dev·Jan 15, 2020How to integrate PayPal into PHPIn this post, I’ll explain how to use PayPal for one-off payment and how to use the Instant Payment Notification (IPN) to process payments on your website. When testing you don’t want to actually spend any money, this is where sandbox accounts come ...271 readsAdd a thoughtful commentNo comments yetBe the first to start the conversation.