From this post on Nexen.net today, there's more information about the "Forum PHP 2005" conference.

There've been some big steps forward in the preparations for the Fourm PHP 2005 conference. And there's no time like now to register! There's an additional session that goes with the conference, as well as a Q&A with the core PHP developers. As of right now, Rasmus, Wez, and Andrei are all confirmed to attend. Hopefully, Zeev and others will attend as well. In short, the best of the best will be there to answer questions about the 10 years of PHP and what's to come! So, head over to the Forum PHP site and register today!

The 5th annual Forum PHP 2005 will be held on November 9th and 10th in Paris. There are different costs for different levels, so check them all out here...