this function can convert all English numbers to Persian

persian_num.php

function Convertnumber2persian($srting) {
    $srting = str_replace('0','۰', $srting);
    $srting = str_replace('1','۱', $srting);
    $srting = str_replace('2','۲', $srting);
    $srting = str_replace('3','۳', $srting);
    $srting = str_replace('4','۴', $srting);
    $srting = str_replace('5','۵', $srting);
    $srting = str_replace('6','۶', $srting);
    $srting = str_replace('7','۷', $srting);
    $srting = str_replace('8','۸', $srting);
    $srting = str_replace('9','۹', $srting);
    return $srting;
}