Will the data submitted in the form be recorded?

Question

i.e saved in other file

Answer 1

if you want to store data from HTML form you have to use my SQL database

Answer 2

By default data sent via GET gets into the Servers log file.
Sent via POST doesn't get stored somewhere. Only that something was sent via POST will bei written into the logs

Answer 3

yes, you can do that retrieving data and using php code to do that, saving on a database or file