There's always a lot of talk about types in the PHP community.
Specifically, many developers want property types, generics, function
signature types, union and intersection types, and more. Those talks
(and RFCs) always end with the same result: "We can't do it because
performance issues."
Has there ever been a discussion about adding some of those features
syntactically, but ignoring them during runtime? At least until someone
finds a performant way to check them at runtime. That way we could have
advanced type checking in our editors at least.
The idea will sound familiar to TypeScript users. It works great for
that language.
I'm excited to hear your opinions.
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