PHP annoying error

I just installed apache on a new box using freebsd. Everything seems to work just fine. But i then tried to install php5 and php5 extensions and apache won't even start. /var/log/messages says something about a segmentation fault. php in the command line says core dumped. I'm getting frustated as this is surely an error related to the updated ports collection I have (as everything worked perfectly a few weeks ago).