The 2010 Spring Edition of the International PHP Conference (IPC) in Berlin, Germany has opened up it’s “call for papers”:http://it-republik.de/konferenzen/ipc2010se/cfp/
bq. From May 31st. to June 2nd. 2010 the next Spring Edition will open it‘s gates. All speakers, PHP professionals, web developers and rockstars are welcome to add their proposal to our upcoming conference.
The CfP ends on December 21st, so you’ve got plenty of time to submit, but don’t delay too long!