Re: Introduce the abiltiy to use the first-call-callable syntax on non-static methods, statically

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