So here's what my ultimate goal is. I would like to have an HTML form that has these elements:

Vendor
Amount
Date

(etc...)

I then want these things to be displayed on a separate webpage. (The form I can make, it's the php that I'm having problems with). I want to then be able to use the SAME form to create a NEW invoice (which will be displayed as it's own page). I also want to be able to...