The International PHP Conference 2007 Spring Edition will happen from May, 21st to 23rd 2007 in Stuttgart. The Call for Papers has just been opened. You can find more information at http://phpconference.com/. There’s a pre-conference day on 21st of May with full day Power Workshops and a Main Conference from 22nd to 23rd of May with 1 hour sessions.
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Please submit your session proposals at http://phpconference.com/input. They will be voted by the Chair board consisting of Bjo”rn Schotte (Head of Chair), Christopher Kunz and Sebastian Meyen. The language for talks is both English and German.
Source php.net