I've already published two articles regarding PayPal Adaptive Payments. The first [https://enjoysmile.com/using-paypals-ipn-with-adaptiveparallel-payments/] dealt with generating a valid IPN response, where the second [/paypal-adaptive-payments-and-ipn-part-two/] covered decoding the strangely-encoded variables PayPal gives us to work with. Today I will cover one of the last issues that seems common among