string(11) "sk_SK.UTF-8"
Array
(
    [5] => a
    [2] => á
    [3] => b
    [4] => č
    [1] => ň
    [0] => š
    [6] => z
)
1


<?php

echo "<pre>";

var_dump(setlocale(LC_ALL, 'sk_SK.UTF-8'));

$array=array('š', 'ň','á','b','č','a','z');

uasort($array, 'strcoll');



echo print_r($array);

echo "</pre>";

highlight_file(__FILE__);

?>