[Tickets #12827] Re: PHP ERROR: array_intersect_key() when purging deleted items

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Ticket URL: http://bugs.horde.org/ticket/12827
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  Ticket             | 12827
  Updated By         | aria at bsc.gwu.edu
  Summary            | PHP ERROR: array_intersect_key() when purging deleted
                     | items
  Queue              | IMP
  Version            | 6.1.5
  Type               | Bug
  State              | Feedback
  Priority           | 1. Low
  Milestone          |
  Patch              |
  Owners             |
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aria at bsc.gwu.edu (2013-11-19 13:37) wrote:

> I have absolutely no idea how this value can be null.
>
> The _slicemap variable, at the mailbox level, can only be altered in  
> these locations:
>
> save()  - no way this can be set to null.
> clear() - this would destroy the INBOX key, so that's not it
> _deleteMailbox - see (clear) - would destroy the INBOX key entirely.
>
> That leaves _loadSliceMap().  But this can't be it either.   
> _slicemap is only set from cache data IF the unserialized data is an  
> array.  Otherwise, the slicemap is recreated as an array value.
>
> I am totally out of ideas.  Someone is going to have to track this  
> down locally.  I can neither reproduce, and there is no place in the  
> code where this can happen that I can see.

I am happy to place debug code elsewhere if you would just tell me  
where it would be most helpful.  I also am testing this on a separate  
system so I can do any type of debugging you need.