php解码Unicode字符串。
function decodeUnicode($str)
{
return preg_replace_callback('/\\u([0-9a-f]{4})/i',
create_function(
'$matches',
'return mb_convert_encoding(pack("H*", $matches[1]), "UTF-8", "UCS-2BE");'
),
$str);
}
function decodeUnicode($str);


