There is an interesting bug observed while using Amfphp on Sonicfields project. When negative values are sent to database through Amfphp, the values rise up to 4 billion something. Thanks to a post published on sourceforge.net, there is finally a solution. thanks 4 billion times.
May 27-28th 2010 : Hacking the customised Game Controller by Joachim Pietsch Sabancı University Visual Arts and Visual Communication Design Workshop : Customizing Game Controllers SSBF / ROOM G030 Lecturer Dun Laoghaire Institute of Arts, Design & Technology School of Creative Technologies Dublin , Ireland