- var_dump: documentation ( source)
- ctype_alpha: documentation ( source)
- setlocale: documentation ( source)
<?php
$locale_success = setlocale(LC_ALL, 'hr_HR','hrv_HRV', 'hr', 'hrv', 'croatian', 'hrvatski', 'Croatian', 'Hrvatski', 'hr_HR.utf8');
var_dump($locale_success);
var_dump( ctype_alpha('č') );