We have a Paypal account.
A PDF file that we want to sell via PHP script and Paypal IPN.
maybe this URL could guide you: [url removed, login to view]
Also, we have a donations page to take of donations via Paypal.
Attached please find the website URL details to work upon.
Attachment mentions the URLs where Paypal is needed. The coding was done in the past which was once working and now there are many errors.
We request you to put new code in place.