[PHP-BUG] Bug #61023 [NEW]: Wrong sorting in strnatcasecmp for cyrillic letters

[redrat at mail dot ru]

From:             
Operating system: FreeBSD 6.x-8.x
PHP version:      5.3.10
Package:          Strings related
Bug Type:         Bug
Bug description:Wrong sorting in strnatcasecmp for cyrillic letters

Description:
------------
The strnatcasecmp function wrongly sorts strings in Russian, putting all
uppercase letters before lowercase letters.

Test script:
---------------
<?php

echo strnatcmp("alpha", "Beta")."\t";
echo strnatcasecmp("alpha", "Beta").PHP_EOL;

echo strnatcmp("альфа", "Бета")."\t";
echo strnatcasecmp("альфа", "Бета").PHP_EOL;

?>


Expected result:
----------------
1       -1
1       -1


Actual result:
--------------
1       -1
1       1


-- 
Edit bug report at https://bugs.php.net/bug.php?id=61023&edit=1
-- 
Try a snapshot (PHP 5.4):            
https://bugs.php.net/fix.php?id=61023&r=trysnapshot54
Try a snapshot (PHP 5.3):            
https://bugs.php.net/fix.php?id=61023&r=trysnapshot53
Try a snapshot (trunk):              
https://bugs.php.net/fix.php?id=61023&r=trysnapshottrunk
Fixed in SVN:                        
https://bugs.php.net/fix.php?id=61023&r=fixed
Fixed in SVN and need be documented: 
https://bugs.php.net/fix.php?id=61023&r=needdocs
Fixed in release:                    
https://bugs.php.net/fix.php?id=61023&r=alreadyfixed
Need backtrace:                      
https://bugs.php.net/fix.php?id=61023&r=needtrace
Need Reproduce Script:               
https://bugs.php.net/fix.php?id=61023&r=needscript
Try newer version:                   
https://bugs.php.net/fix.php?id=61023&r=oldversion
Not developer issue:                 
https://bugs.php.net/fix.php?id=61023&r=support
Expected behavior:                   
https://bugs.php.net/fix.php?id=61023&r=notwrong
Not enough info:                     
https://bugs.php.net/fix.php?id=61023&r=notenoughinfo
Submitted twice:                     
https://bugs.php.net/fix.php?id=61023&r=submittedtwice
register_globals:                    
https://bugs.php.net/fix.php?id=61023&r=globals
PHP 4 support discontinued:          
https://bugs.php.net/fix.php?id=61023&r=php4
Daylight Savings:                    https://bugs.php.net/fix.php?id=61023&r=dst
IIS Stability:                       
https://bugs.php.net/fix.php?id=61023&r=isapi
Install GNU Sed:                     
https://bugs.php.net/fix.php?id=61023&r=gnused
Floating point limitations:          
https://bugs.php.net/fix.php?id=61023&r=float
No Zend Extensions:                  
https://bugs.php.net/fix.php?id=61023&r=nozend
MySQL Configuration Error:           
https://bugs.php.net/fix.php?id=61023&r=mysqlcfg