PHP: Converting Persian Numbers To English One (function).

gistfile1

function convertPersianNumbersToEnglish($number)
{
    $persian = array('۰', '۱', '۲', '۳', '۴', '۵', '۶', '۷', '۸', '۹');
    $num = range(0, 9);
    return (int)str_replace($persian, $num, $number);
}

function convertPersianNumbersToEnglish($input)
{
    $persian = ['۰', '۱', '۲', '۳', '۴', '٤', '۵', '٥', '٦', '۶', '۷', '۸', '۹'];
    $english = [ 0 ,  1 ,  2 ,  3 ,  4 ,  4 ,  5 ,  5 ,  6 ,  6 ,  7 ,  8 ,  9 ];
    return str_replace($persian, $english, $input);
}

It converts Persian/Arabic numbers to English

function convertEnglishNumbersToPersian($input)
{
    $persian = ['۰', '۱', '۲', '۳', '۴', '۵', '۶', '۷', '۸', '۹'];
    $english = [ 0 ,  1 ,  2 ,  3 ,  4 ,  5 ,  6 ,  7 ,  8 ,  9 ];
    return str_replace($english, $persian, $input);
}

private function conToEn($string) {
$range = range(0, 9);
// Persian
$persianDecimal = ['۰', '۱', '۲', '۳', '۴', '۵', '۶', '۷', '۸', '۹'];
// Arabic
$arabicDecimal = ['٠', '١', '٢', '٣', '٤', '٥', '٦', '٧', '٨', '٩'];
// number Arabic
$arabic = ['٠', '١', '٢', '٣', '٤', '٥', '٦', '٧', '٨', '٩'];
// number Persian
$persian = ['۰', '۱', '۲', '۳', '۴', '۵', '۶', '۷', '۸', '۹'];

$string =  str_replace($persianDecimal, $range, $string);
$string =  str_replace($arabicDecimal, $range, $string);
$string =  str_replace($arabic, $range, $string);
return str_replace($persian, $range, $string);

}

 fun replacePersianAndArabic(txt: String): String {
            return txt.replace("۰", "0")
                .replace("۱", "1")
                .replace("۲", "2")
                .replace("۳", "3")
                .replace("۴", "4")
                .replace("۵", "5")
                .replace("۶", "6")
                .replace("۷", "7")
                .replace("۸", "8")
                .replace("۹", "9")
                .replace("٩", "9")
                .replace("٨", "8")
                .replace("٧", "7")
                .replace("٦", "6")
                .replace("٥", "5")
                .replace("٤", "4")
                .replace("٣", "3")
                .replace("٢", "2")
                .replace("١", "1")
                .replace("٠", "0")

        }

same work in kotlin