The task is
[login to view URL] information from subscriber (using a form)
[login to view URL] submit, pass information to paystack (email, phonenumber) and
CHARGE subscriber
[login to view URL] charge successful, then process information collected and display
on a new page ( send email function can be used)
[login to view URL] charge unsuccessful, display error and state incomplete
registration.
Everything should be in php apart from the inline script.
The paystack documentation link is [login to view URL]