[horde] horde_hook_postauthenticate called after logout

[Michael Menge]

Quoting Chuck Hagenbuch <chuck at horde.org>:

> Quoting "Michael Menge" <michael.menge at zdv.uni-tuebingen.de>:
>
>> i don't know if its a bug or a feature but horde_hook_postauthenticate
>> is called on logout. Is there a way to fiugre out if the function is
>> called on login or logout ? We use Horde 3.2
>
> I'm not seeing how this can happen; if it is happening it's definitely
> a bug. You can log the output of print_r(debug_backtrace(true))
> (warning, it'll be pretty big) to see the call chain of how it's
> getting there.
>

Is there a way to redirect the output of print_r to a file?
I see only one output in the sidebar, but the logs show the hook is  
called multiple times (2 times on login and some extra calls during   
normal using of Horde).

regards

        Michael

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