Can we make a Registration Form functionable with out database?

Question

I don't know if I can make a "Registration Form" functionable without database.
I need your opinion because we will going to make a Registration Form

Answer 1

Yes you can, as sam said you can even use a simple text file and php functions to write to a file.
However if you're designing a real website with lots of users, using simple files probabley will be too hard, time taking or even unsafe.

Answer 2

Of course, you could always just save the output from the registration form into a file

Answer 3

So,we can't make an Registration Form functionable w/out database?😶