Re:Oh no, Yahoo's system works and is stable! (Score 1)

I attended this session. They never said they were reimplementing all of their C/C++ in PHP. They use C/C++ for all of the heavy duty backend processing. Currently, they have a mish mash of templating languages to call C/C++ routines and put pages together to serve up to the end user. They are simply replacing these scripting languages with PHP. Rasmus Lerdorf (who's now working at Yahoo) said in his keynote that he doesn't think implementing loads of business logic in PHP is a good idea for large sites. Instead he's a proponet of doing the intense stuff in C/C++ and using PHP as a wrapper for that code.