<?php
function hex2bin($data)
{
$len = strlen($data);
return pack("H" . $len, $data);
}
function unhexurl($text)
{
$text = str_replace('%', '', $text);
$text = hex2bin($text);
return $text;
}
print unhexurl('%D1%80%D1%83%D0%BA%D0%B8%D0%B2%D0%B2%D0%B5%D1%80%D1%85');