Thank you! Seems like Enum covers this case.
вс, 1 авг. 2021 г., 21:58 Rowan Tommins <rowan.coll...@gmail.com>:
> On 01/08/2021 16:59, Serhii Smirnov wrote:
> > class Features
> > {
> > const FEATURE_FLAG_WITH_SOME_LONG_NAME =
> > 'feature_flag_with_some_long_name';
> > const FEATURE_SOME_ANOTHER_COOL_FEATURE =
> > 'feature_some_another_cool_feature';
> > }
>
>
> That looks like it falls into my first category: the actual value of the
> constant doesn't matter, you just need to be able to compare against it
> later.
>
> That makes it a perfect use case for PHP 8.1's new "enum" type, where
> you'll be able to declare this:
>
> enum Feature
> {
> case FEATURE_FLAG_WITH_SOME_LONG_NAME;
> case FEATURE_SOME_ANOTHER_COOL_FEATURE;
> }
>
> You can then even define the "isEnabled" function so that it only
> accepts Feature values, not strings (i.e. "public function
> isEnabled(Feature $feature): bool { ... }" instead of "public function
> isEnabled(string $feature): bool { ... }").
>
> If you're not familiar with the new enums, the best documentation at the
> moment is probably the RFC which proposed them:
> https://wiki.php.net/rfc/enumerations
>
> I'm really looking forward to using them :)
>
>
> Regards,
>
> --
> Rowan Tommins
> [IMSoP]
>
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