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To: "Hartmut Holzgraefe" <hartmut@mysql.com>
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Subject: Re: [PHP-DEV] RFC: mark functions as const for possible optimizations
From: nlopess@php.net ("Nuno Lopes")

> Nuno Lopes wrote:
> > My proposal is the following:
> > some functions when fed with constant arguments always return a constant 
> > value, too. e.g.:
> > strlen('abcd') === 4.
>
> wouldn't that be called "deterministic" and not "const"?

yeah, exactly. I was missing the correct wording. (btw, appart of being 
deterministic, the function shouldn't have any side-effect).
Nuno