call back history...

[chinna]

hi...im very new to php...actully im doing a e-payment system...and found some diffuculities...let me explain it..ok the 1st page i fill in all my detail...2nd page i fill in voucher detail..and i hit back button it must go 1st page and show all my detail..when i hit the back button it go to that page but no data at all....it is a empty page...how i do that...i mean the history..please help me...i have no idea at all...thanks in advanced

[Azala]

You can store the data in a session/cookie or use a database to store the temporary order before it's finalized.

For statistical purposes, how many didn't finish their order, what was in their cart when they cancelled etc you'd probably want to use a database.