I currentyl have no clue on how to sort an array which contains UTF-8 encoded strings in PHP. The array comes from a LDAP server so sorting via a database (would be no problem) is no solution. The following does not work on my windows development machine (although I'd think that this should be at least a possible solution):
$array=array('Birnen', 'Äpfel', 'Ungetüme', 'Apfel', 'Ungetiere', 'Österreich');
$oldLocal=setlocale(LC_COLLATE, "0");
var_dump(setlocale(LC_COLLATE, 'German_Germany.65001'));
usort($array, 'strcoll');
var_dump(setlocale(LC_COLLATE, $oldLocal));
var_dump($array);
The output is:
string(20) "German_Germany.65001"
string(1) "C"
array(6) {
[0]=>
string(6) "Birnen"
[1]=>
string(9) "Ungetiere"
[2]=>
string(6) "Äpfel"
[3]=>
string(5) "Apfel"
[4]=>
string(9) "Ungetüme"
[5]=>
string(11) "Österreich"
}
This is complete nonsense. Using 1252 as the codepage for setlocale() gives another output but still a plainly wrong one:
string(19) "German_Germany.1252"
string(1) "C"
array(6) {
[0]=>
string(11) "Österreich"
[1]=>
string(6) "Äpfel"
[2]=>
string(5) "Apfel"
[3]=>
string(6) "Birnen"
[4]=>
string(9) "Ungetüme"
[5]=>
string(9) "Ungetiere"
}
Is there a way to sort an array with UTF-8 strings locale aware?
Just noted that this seems to be PHP on Windows problem, as the same snippet with de_DE.utf8 used as locale works on a Linux machine. Nevertheless a solution for this Windows-specific problem would be nice...
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