[Tickets #13825] Re: Remi PHP update to 5.5.21-1 results in constant resyncing

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Ticket URL: https://bugs.horde.org/ticket/13825
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  Ticket             | 13825
  Updated By         | Michael Rubinsky <mrubinsk at horde.org>
  Summary            | Remi PHP update to 5.5.21-1 results in constant
                     | resyncing
  Queue              | Synchronization
  Version            | FRAMEWORK_5_2
  Type               | Bug
  State              | Feedback
  Priority           | 1. Low
  Milestone          |
  Patch              |
  Owners             | Michael Rubinsky
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Michael Rubinsky <mrubinsk at horde.org> (2015-02-05 05:42) wrote:

I thought that as well and spent a good bit of time tracing code to  
check.  The uids are in the array values, not the keys, so any  
re-indexing done by array_* functions *shouldn't* cause this type of  
side effect. There is the possibility for an empty array to result  
from some of these array_diff calls, but that's different than an  
array with an element value of zero.  Various debug points I inserted  
seem to confirm this - at least locally.

The other thought I had was something going wrong with  
(un)serialization of the folder object and/or the compressed uid list  
but haven't been able to find any failure mode that results in this.