- Download and enable devel-module from http://drupal.org/project/devel
- Create a folder FirePHPCore in the devel-modul-folder (modules/devel)
- Download the FirePHPCore library from http://www.firephp.org/HQ
- Unpack the FirePHPCore library and copy the lib folder to the FirePHPCore folder in the devel-module (modules/devel/FirePHPCore/lib)
The final file structure should be:
For logging to Firebug use dfb() instead of fb(). Both functions take the same arguments. You can find a reference here.
dfb('Log message', FirePHP::LOG);