Speaking as a semi-programmer and serial entrepreneur rather than a full-fledged programming ninja, I'd agree.

Ruby on Rails is sexy as hell, Node + Javascript is very nice, but for practical, workmanlike, somewhat-ugly-but-does-the-job prototyping, PHP is the way to go, IMO.

It has the additional, significant advantage that there are far, far more tutorials and general Google answers for PHP than any other language - certainly than newer approaches like Node.