I think if you hire a smart person that knows PHP inside out and your requirements change, then you should not have a problem - in theory. Every good developer/

I think if you hire a smart person that knows PHP inside out and your requirements change, then you should not have a problem - in theory. Every good developer/hacker should be able to learn something new in a short amount of time. So it really seems that they hired not so smart people or they simply fired them too fast.