He didn't say implementing those functions in the same code, but using the "same language". To me, PHP's use in templates is pretty much its core idea. I think

He didn't say implementing those functions in the same code, but using the "same language". To me, PHP's use in templates is pretty much its core idea. I think it's a good idea, and basically defines what a ruby/python version would be like. Unfortunately it also makes possible the abuse you note - hopefully there's better solutions than requiring a different language in those 3 places.