Outside.In Scales Up - Case Study - PHP to Rails
engineyard.com
engineyard.com
"After almost 10 years at Ameren as a developer, I will be taking an Account Manager position with the internet start up Engine Yard out of San Francisco."
Without any kind of data or insight into the train of thought behind the change, this falls into the infotainment /advertising category. We can do better than this.
It isn't so hard to write maintainable PHP code; although maybe the nature of this application was different. If they had written the rationale, I wouldn't have any of these questions :(
PS. Disclaimer: I work at outside.in too :)