The ThinkPHP blog has a (large) announcement posted today - the opening of the Call for Papers for the International PHP Conference 2007 - Spring Edition.

Mark your calendars from 21-23 May 2007! The Call for Papers is here.

This year's conference will be happening in May of 2007 and will be three days long. Some of the topics their wanting for this year's conference include Ajax, security, databases, best practices, and many more. More details on the content of the conference can be found on their site and you can submit your proposals on this site.