StrRev() Dosent Support UTF-8

Question

I\'m trying to make a code that replace Arabic text to be supported in non Arabic supported programs
in that i will be need to reverse the text after replace but its shows s

Answer 1

I have been using this one

taken from here http://php.net/manual/en/function.strrev.php#122953

function mb_strrev($str){
    $r = '';
    for ($i = mb_strlen($str); $i >= 0; $i--) {
        $r .= mb_substr($str, $i, 1);
    }

    return $r;
}