On Tue, Jan 24, 2023 at 12:06 PM Ollie Read <php@ollie.codes> wrote:
>
> You're absolutely correct, the problem I was trying to solve was the ability
> to reference a method without throwing around magic strings, apologies if
> that wasn't clear.
>
> The whole idea, or rather, need/want for it came about because of time spent
> with Javas functional side, though I understand that's safer to do because of
> the way Java handles type safety.
>
> The ::class pseudo type is great for providing a classes FQN, and
> class-string is great for ensuring values are valid class strings when using
> static analysis, but we don't have anything for methods, outside of IDE
> completion.
>
> The solution wouldn't even need to generate a closure, TBH, it would generate
> something that could then be used in the same manner.
>
> Using the current features of PHP, I'd probably imagine something that does
> just about the same as this:
>
> $method = new ReflectionMethod(MyClass::class, 'method');
>
> $collection->filter($method);
>
> Where the filter method does:
>
> foreach ($items as $item) {
> if ($method->invoke($item)) {
> //
> }
> }
>
> Although reflection doesn't have the overhead that everyone thinks it does,
> this is a less than ideal solution, but I think it accurately portrays what
> I'm looking for.
>
> ---
> Best Regards,
> *Ollie Read*
> The ::class pseudo type is great for providing a classes FQN, and
> class-string is great for ensuring values are valid class strings when using
> static analysis, but we don't have anything for methods, outside of IDE
> completion.
>
> The solution wouldn't even need to generate a closure, TBH, it would generate
> something that could then be used in the same manner.
In C#, they have the `nameof()` operator that returns the name of the
symbol passed. So you still end up with a string, but the symbol can
easily be refactored.
https://learn.microsoft.com/en-us/dotnet/csharp/language-reference/operators/nameof
Maybe something like this could help address the problem?
Robert Landers
Software Engineer
Utrecht NL
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