Re: Re: [vote] pow-operator

Hi Sean, On Fri, Dec 20, 2013 at 2:18 AM, Sean Coates <sean@seancoates.com> wrote: > Sorry I'm late (possibly too late?) to this, but: > > 1) if pow() is turning from a function into a construct, can it > still be > used for callbacks? I don't see a mention of that part in the RFC. > It's implied in this section: No changes to existing code, safe for one: var_dump(pow([], 2)); // int(0) instead of float(0) Perhaps it could be made more obvious, but yes, the original function remains there to serve exactly the purpose of callbacks; its innards have been replaced by calling the PHP_SAPI pow_function(), though. > 2) if pow() drops the overhead of a function call, does > -3 ** 2 really > gain us anything over pow(-3, 2)? The latter is /far/ less > ambiguous IMO. > Yes, it allows you to write an expression more naturally; regarding the second part of your question, (-3) ** 2 is also far less ambiguous :) > S > > -- -- Tjerk