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Ensure listener detachment works cross-version #96
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Check if a returned callback is a CallbackHandler, and, if so, pull the actual PHP callable from it before testing for the class. To ensure both BC and forwards compatibility, ensure that the priority is stored when detaching, so that re-attaching will continue to work.
In order to use
composer update --prefer-lowest
(which I did for testing against zend-eventmanager v2), I had to:^4.5
, as that's the first version using prophecy, which we're using in tests now.Tests for this are ridiculously hard to write; would love some review!