Add a preview/validation feature for datetime strings

[NekoJonez]

In my most recent core tickets, at the time of writing, I helped to improve the comments we see here:

Now, we lead translators in that comment to the usual manual page, but what if a translator still gives in a wrong datetime string?
I'd add a feature that if GlotPress finds in the translator comment it's going about a datetime, you have a "validate" button where GlotPress checks if you have a valid datetime. Or a seperate tool for this.

I'm well aware that implementing something like this can easily go out of scope .... but I think it would be cool if we translators have a tool where we can see how our datetime will look and be assured we got the correct one.

[swissspidy]

Interesting idea.DateTime::createFromFormat() could potentially used for this on the server side.

The main problem is that GP by default simply doesn't know whether a given string is meant to be a date format. It doesn't have that information. So this might be better suited in a WordPress.org-specific plugin (or generally in a plugin) for now.

[NekoJonez]

Thats fair, thats why I suggested it being a seperate tool as well. Maybe one of those tabs can be a validator tool with a preview function? Or just a new place in GlotPress itself that is a click away? #Thinkingoutloud