Hi all,
Given the addition of Closure::fromCallable() and the upcoming first-class
callable syntax in 8.1, it seems slightly problematic that there's no simple
way to tell by reflection if a Closure refers to an anonymous function or not.
ReflectionFunctionAbstract::isClosure() (perhaps somewhat misleadingly) returns
whether the closure is literally a \Closure instance, so it's not useful for
this purpose.
The only way to do this currently (that I know about) is to check if the name
of the function contains "{closure}", which is a bit unpleasant and depends on
undocumented behaviour.
I'm proposing the addition of ReflectionFunctionAbstract::isAnonymous(), which
would fill this use case, and may be able to offer an implementation.
Thanks,
Dylan Taylor.
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