zanimul379168 just pm'd me but I cannot see a way to reply. Assuming this was the post you were asking about I'll update what happened.
I found a script on the net that served me well. Well documented as well and it works which is the main thing.
Here's the link Stellar Web Solutions PHP IPN System V2.1 (for PayPal)
It was still a learning curve for me but worth the trouble. I couldn't find a better solution anyway.