osclass/OSClass — Issue #150: function_exists()  or  is_callable()
Author: garciademarina
Created: 2012-02-14 08:48:45+00:00
State: open
Labels: Enhancement

Instead of calling function_exists(), it would be better to call is_callable().
That way, if I'm passing something like "MyClass::callback" or even
better, array("MyClass", "callback") or ($obj,
"callback"), it would still work and my hook will still get run.