Oops! sorry, my bad.


I didn't say it was a 'problem' per-se, I just argued that some arguments lacked proper explanation, which they do (in my opinion).
If you are going to come out and say 'the performance techniques most of you are using in your applications are a load of bunkum', then you need to properly back it up (I personally would anyway), which I personally don't think she did very well and seen as its the ONLY place its been done (i.e. myths that many people think of as fact 'debunked' by a member of the PHP team, to my knowledge anyway), I would expect it to be explained there, maybe that's just me being pedantic.

I'm sure It will get clarified in the fullness of time.
Yes indeed, like I said, micro-optimizations are something of a white elephant when it comes to performance in the real world.

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mysql> SELECT * FROM `users` WHERE `users`.`clue` > 0;
Empty set (0.00 sec)