Re: Draft RFC: foreach iteration of keys without values

On Wed, Sep 2, 2020 at 9:16 AM Josh Bruce <josh@joshbruce.dev> wrote: > > > On Sep 2, 2020, at 6:27 AM, Dik Takken <dik.takken@gmail.com> wrote: > > > > On 02-09-2020 12:48, Olle Härstedt wrote: > >> An alternative syntax would be > >> > >> foreach($iterable as $key => _) { ... } > >> > >> Using underscore as a way to signal "I don't care about this value". > >> Same could be possible with list destructoring, like > >> > >> [_, _, $something] = foo(); > >> > > Swift also uses the underscore in places. > > >> 1. It is currently a valid constant name (BC break) > > I can name a constant an underscore?? > > Does anyone actually do this?? > > I guess I’m asking how impactful the break would be considering most magic > things start with double underscore and I haven’t seen many people using > the single underscore to represent instance variables anymore. > -- > PHP Internals - PHP Runtime Development Mailing List > To unsubscribe, visit: https://www.php.net/unsub.php > > Isn't the underscore an alias for gettext()? -- Chase Peeler chasepeeler@gmail.com