Decode all the values in an array to UTF-8

utf8_decode_all.php

<?php
function utf8_decode_all($dat)
{
    if (is_string($dat)) return utf8_decode($dat);
    if (!is_array($dat)) return $dat;
    $ret = array();
    foreach($dat as $i=>$d) $ret[$i] = utf8_decode_all($d);
    return $ret;
}