I managed to activate php5 is ok, now I have code at the top of my portal:

[phpBB Debug] PHP Warning: in file /includes/functions.php on line 4591: Cannot modify header information - headers already sent by (output started at /language/fr/mods/portal/portal_whois_online_module.php:1)

I have PHP Version 4.4.3-dev.

How do I have php5? merci

hello
During installation I get an error:
Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION T_FUNCTION gold gold gold T_VAR '}' in / mnt/153/sdd/f/e/forum.macon/portal/modules/portal_main_menu.php on line 31

And line 31, I: public $ columns = 10;