[Tickets #13548] fatal error if in backend 'preferred' is an array

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Ticket URL: https://bugs.horde.org/ticket/13548
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  Ticket             | 13548
  Created By         | weis at kip.uni-heidelberg.de
  Summary            | fatal error if in backend 'preferred' is an array
  Queue              | Ingo
  Version            | 3.2.1
  Type               | Bug
  State              | Unconfirmed
  Priority           | 1. Low
  Milestone          |
  Patch              |
  Owners             |
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weis at kip.uni-heidelberg.de (2014-09-06 18:27) wrote:

After upgrade to the newest version, ingo (and imp) crashed with a fatal error
   No "script" element found in backend configuration.

In the backend definition of ingo 'script' was defined.
The error traced back to
    _getBackend() ....ingo/lib/Session.php:47
where I found the reason:

In file  ingo/lib/Session.php (line 126):
                    foreach ($val['preferred'] as $val) {
                         if (($val == $_SERVER['SERVER_NAME']) ||
                             ($val == $_SERVER['HTTP_HOST'])) {
                             $backend = $val;
                         }
                     }

This code is only used, if  'preferred' in the backend definition is an array.
$val is used in two meanings and the 'foreach' overwrites the first one.
It should be more like this:

                    foreach ($val['preferred'] as $v) {
                         if (($v == $_SERVER['SERVER_NAME']) ||
                             ($v == $_SERVER['HTTP_HOST'])) {
                             $backend = $v;
                         }
                     }

sorry, don't know how make a patch for this