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To: PHP Internals <internals@lists.php.net>
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Subject: Re: [PHP-DEV] [RFC][Discuss] Arrow Functions
From: me@kelunik.com (Niklas Keller)

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Alain Williams <addw@phcomp.co.uk> schrieb am Di., 31. Jan. 2017, 13:20:

> On Tue, Jan 31, 2017 at 01:06:25PM +0100, Nicolas Grekas wrote:
> > Or just drop any "fn" or "function" keyword, eg
> >
> > ($x, $y) => foo($x, $y);
> >
> > array_map(($x) => $x + 1);
>
> That has the great advantage of being much as Javascript does this.
>
>
> https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Functions/Arrow_functions


As noted in the RFC,  this isn't possible due to ambiguities with array
keys and yield expressions with keys.

Regards, Niklas


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