[imp] db migration and sorting

[Michael M Slusarz]

Quoting Janis Eisaks <je at ktf.rtu.lv>:

> Quoting Jan Schneider <jan at horde.org>:
>
>>> 2. what can be done to display folder list in alphabetical order  
>>> for selected language - for example letter "č" in Latvian follows  
>>> "c", not "z"
>>>
>>> Horde 1.0.8 places national letters before A, 1.2.9 and  
>>> Horde4/IMP5 - after Z
>>
>> We use strnatcasecmp and strcasecmp for sorting mailboxes. Those  
>> have the advantage of correctly sorting mailboxes with numbers and  
>> being binary-safe. For better locale-specific sorting, we would  
>> have to use strcoll, but this function doesn't support either of  
>> the former features.
>
> so - resumé - it is not possible to get folders in correct  
> alphabetical order rathen than for ASCII-named, isn't it?

It looks like we might be able to use Collator::compare()  
(http://www.php.net/manual/en/collator.compare.php) to do the sorting.  
  But this is only available in PHP 5.3.0+.

michael

___________________________________
Michael Slusarz [slusarz at horde.org]