Did you spend months begging your boss to jump into PHP 5 after being stranded in legacy hell of PHP 4, only to get stranded again somewhere in the middle of the 5.x sea? Lets take a look at PHP 5 from 5.0 to 5.5 to see what major changes you may need to consider before begging to update to the latest and greatest again.
The recorded meetup: http://www.youtube.com/watch?v=jCJI8HcV_EM&hd=1