[horde] How to program Horde, and Imp, hooks?

[Otto Stolz]

PS.

I have just written:
> - _imp_hook_vinfo does not work, because
...
>   · it is called before $_SESSION['imp'] is established,

Not exactly so.

Actually, $_SESSION['imp']['user'] is defined,
whilst $_SESSION['imp']['server'] is not yet.

Regards,
   OS