<?php

$json 
file_get_contents('https://dl.dropbox.com/u/8396442/online/stackoverflow/hukd.txt');
$data preg_replace("/\\\\u00([0-9a-f]{2})\\\\u00([0-9a-f]{2})/e"'chr(hexdec("$1")).chr(hexdec("$2"))'$json);
$data json_encode($data); // use json escaping, convenient isn't it ?
$data substr($data1, -1); // remote extraneous quotes

$clean json_decode($data);

echo 
'<pre>'.print_r($clean,true).'</pre>';

?>