Allow WrappedListener to describe uncallable listeners #31615
Merged
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This is a follow-up to #31493. The previous PR did not fix the problem completely. We also need to make sure that a listener that is not callable is not passed to
Closure::fromCallable()
.Note: It would probably be a good idea to give the developer a hint about uncallable listeners. Currently, such a listener causes an exception at the worst possible point of time: when collecting the profile information. This breaks the toolbar without any helpful feedback, as I've described here.
This PR allows the
WrappedListener
class to describe a listener for the profiler even if the listener is not callable, which was the behavior in Symfony 4.2.