- var_dump: documentation ( source)
- array_multisort: documentation ( source)
- setlocale: documentation ( source)
<?php
$a = array(
'asd',
'ASD',
'sdf',
'SDF',
'Third',
);
$b = array(
'yy',
'kaa',
'koo',
'nee',
'vii',
);
setlocale(LC_CTYPE, 'fi_FI');
array_multisort($b, SORT_STRING | SORT_FLAG_CASE, $a);
var_dump($a, $b);