The wiki post for phpBB integration was outdated and doesn't work for phpBB3 website owners. Since site owners should use phpBB3 since phpBB2 has a lot of security issues and is outdated, I updated the wiki for phpBB3 integration here:
http://www.phpfreechat.net/faq#how-to-c ... hpfreechat
Hope this helps users who want to integrate with phpbb and pfc