How hard is it to create VBulletin? I'm trying to create one, and found out it's PHP. Well, I know basic HTML, but will that help for most of it? If I worked with InvisionFree Forums, is it somewhat like that, or is VBulletin made from scratch? Thanks guys, cause this seems quite hard.
I know I may find these answers elsewhere, but I need user opinions.
PS. Sprung, you might wanna unsticky that other thread then. I posted there cause it was stickied, not merged.