A home page responsive php codes - Joomla! Forum - community, help and support

i creating simple php html index. page.
but problem want login , register of
q2a appear @ top of index.php page.
the header of home page.
and if user login visit homepage
then username should @ top login.
example. hello guest, welcome q2a login or register.
for xxxx click here
for xxxx cick here
for xxxx click here

hello joel welcome phpkode.

for xxxxx click here
for xxxxx clikc here
for xxxxx click here

i hope understand
i want make home page , put forum in a
subfolder.

but on homepage want forum header login account show on home page

- if use joomla, can have module , display that
- if not use joomla, must create file , dispaly: button, layout, info of user.....