waizrahman Posted September 5, 2017 Share Posted September 5, 2017 Link to comment Share on other sites More sharing options...
bellini13 Posted September 5, 2017 Share Posted September 5, 2017 it is an optional array of parameters being passed to the hook function. It is optional, because not all hooks use it. And the parameters sent to the hook are going to be different based on the hook being referenced. Link to comment Share on other sites More sharing options...
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