Trouble converting Paypal library to CI

[eluser]tagawa[/eluser]
Turns out you were both right about checking the error logs more thoroughly.

I managed to find the problem - it was that CSRF protection is enabled in my config file so the PayPal POST requests were being blocked. I used the solution here to disable CSRF protection just for the PayPal controller:
http://stackoverflow.com/questions/76283...er-7705531

Again thank you both for the help. Oh, and that multiple parameter workaround is new to me - will come in handy.