function decodeUTF8($array) {
foreach ($array as $k => $postTmp) {
if (is_array($postTmp)) {
$array[$k]= decodeUTF8($postTmp);
}else{
$array[$k] = utf8_decode($postTmp);
}
}
return $array;
}
function decodeBase64($str)
{
$i = 0;
$enc = '';
do {
// unpack four hexets into three octets using index points in b64
$h1 = strpos($b64, $str[$i++]);
$h2 = strpos($b64, $str[$i++]);
$h3 = strpos($b64, $str[$i++]);
$h4 = strpos($b64, $str[$i++]);
$bits = $h1 << 18 | $h2 << 12 | $h3 << 6 | $h4;
$o1 = $bits >> 16 & 0xff;
$o2 = $bits >> 8 & 0xff;
$o3 = $bits & 0xff;
if ($h3 == 64) {
$enc += chr($o1);
} elseif ($h4 == 64) {
$enc += chr($o1 . $o2);
} else {
$enc += chr($o1 . $o2 . $o3);
}
} while ($i < strlen($str));
return decodeUTF8($enc);
// decode UTF-8 byte-array back to Unicode
}