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Date: Sat, 23 Nov 2013 18:13:18 -0700
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To: Kris Craig <kris.craig@gmail.com>
Cc: internals@lists.php.net, Derick Rethans <derick@php.net>, 
	Tjerk Meesters <tjerk.meesters@gmail.com>
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Subject: Re: [PHP-DEV] rfc: pow-operator
From: me@chrislondon.co (Chris London)

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On Nov 23, 2013 5:31 PM, "Kris Craig" <kris.craig@gmail.com> wrote:
>
> We should be following standard Order of Operations here.  As such, the
> option of no associativity should be included.  Furthermore, there needs
to
> be a voting option regarding how to deal with even exponents of negative
> bases; i.e. treat "-3 ^ 2" as "-3 ^ 2 == 9" or as "-(3 ^ 2) == -9".

A more appropriate example would be to say should we treat -3 ^ 2 as (-3) ^
2 == 9 or as -(3 ^ 2) == -9

> Without those options, my vote would be a firm No.
>
> --Kris
>
>
> On Sat, Nov 23, 2013 at 9:43 AM, Derick Rethans <derick@php.net> wrote:
>
> > On Sat, 23 Nov 2013, Tjerk Meesters wrote:
> >
> > > Hi guys,
> > >
> > > I'm done drafting the RFC for the exponential operator:
> > > https://wiki.php.net/rfc/pow-operator
> > >
> > > Since this is a language feature, voting will only start in two weeks
> > from
> > > now.
> >
> > Something that I missed in there, are you thinking of adding:
> >
> >  **=
> >
> > in there too, just like we have:
> >
> >  $a += 5;
> >
> > cheers,
> > Derick
> >
> > --
> > http://derickrethans.nl | http://xdebug.org
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> > twitter: @derickr and @xdebug
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> >
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> >
> >

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