On Thu, Mar 4, 2021, at 6:34 AM, Chris Seufert wrote:
> Hello,
>
> I would like to propose standardizing a clock interface for reading the
> current time, date, timestamp, and timezone.
>
> The problems I hope to solve is when testing time sensitive code, there
> is a unified way to represend the current time. I have run into several
> issues doing this some of which are:
> - Some library use different Clock interfaces / implementations.
> - Its impossible to mock some calls to date and time without using a
> PHP extension to override the current time & date.
> - There are about 10 competing library implentations to this problem
> just from a quck search on packagist
>
> The proposed interface would look like this:
>
> interface ClockInterface
> {
> public function timestamp():int;
>
> public function immutable():\DateTimeImmutable;
>
> public function datetime():\DateTime
>
> public function microtime():float
>
> public function timezone():\DateTimeZone
> }
>
> I have created a pull request for this here:
> https://github.com/php-fig/fig-standards/pull/1224
>
> I am looking to find out if anyone is interesting in sponsoring this Standard.
>
> I have enjoyed using the PSR-16 interopable caches, and also migrated a
> large legacy application to use PSR-7/PSR-15 and also benefits from
> using standard middlewares and request extensions, and hope this could
> provide a similar experience in the future.
>
> Regards,
> Chris Seufert
Have you spoken to the maintainers of those 10 competing libraries? For a spec
like this to be successful it would need buy-in from those implementers,
otherwise we just end up with an XKCD 927 problem. (https://xkcd.com/927/)
They're the people that you'd want in a working group.
In related news, I'm -1 on anything that still uses DateTime.
DateTimeImmutable or bust.
--Larry Garfield
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