Then something must be misconfigured somewhere. I'll see if a dev can help but this is outside the scope of our support really, if none of them are working, something's set up wrong.
It does sound like a configuration problem, make sure the mysql extension is loaded in php.ini. When you install MyBB, what is the error returned?
changed my $config['database']['type'] = 'mysqil'; to $config['database']['type'] = 'mysql'; now my problem solved