Travis Derouin wrote:
We recently tried using php 5.1 on our installation, granted we are still running 1.4.7 (yes, yes, yes, we are in the process of upgrading) and things mysteriously stopped working.... Like rollbacks and the spam blacklist. It was weird.
You might try running a modern version of MediaWiki that's designed to run on PHP 5.1.
-- brion vibber (brion @ pobox.com)