How can locale settings affect the behavior of iconv when using ASCII//TRANSLIT?

Locale settings can affect the behavior of iconv when using ASCII//TRANSLIT by determining how certain characters are transliterated. To ensure consistent behavior, it is recommended to set the locale to a specific value before using iconv. This can be done using the setlocale() function in PHP.

setlocale(LC_CTYPE, 'en_US.UTF-8');
$string = "héllò";
$transliterated_string = iconv('UTF-8', 'ASCII//TRANSLIT', $string);
echo $transliterated_string; // Output: hello