Hi Larry:
I am using your book "Effortless E-commerce with php and mysql 2nd edition" to create a subscription website. When using your example 1 scripts, everything worked fine except that the database was not updating. The log was showing a 400 - Bad request error.The reason I found in one of your forums was a change in paypal's IPN script requirements, however the solution mentioned there is no more valid as paypal has made further changes to the scripts. It is now a completely different script which is very different from the one used in your example. I have tried everything but its no