How To Add Multiple PHP class in sololearn code playground?

Question

I creat a login system using in which i have multiple files. how can i use to add this login system in sololearn code playground?

I have these Seven File of a login system. How to add them in sololearn plaground?

header.php:- https://code.sololearn.com/wn1p2Ix3jl39
index.php :- https://code.sololearn.com/wfXrc2QE3snv
signup.php:- https://code.sololearn.com/wX3t38nad9bd

<!--Include file --

signup.inc.php :- https://code.sololearn.com/w7h2B6vRNRXA
login.inc.php :- https://code.sololearn.com/wDFXi9Pfi5rr
logout.inc.php :- https://code.sololearn.com/wy4736tELl0T
dbh.inc.phh :- https://code.sololearn.com/wuqzJ0CIrveo

Answer 1

Is it possible to put all the code in one