Urgent how to solve the problem of PHP GET Chinese parameter

Hurry!! How to solve the problem of PHP GET Chinese parameter?
me if
? md= Hokkaido

$MD =$_get[' MD '];

$MD =iconv ("gb2312", "Utf-8", $MD); If there is no transcoding, there is only "Beihai" two words,

But if you transcode here,

Echo $md just got lost,


To find a solution, I searched the entire Baidu, also on this method code to achieve, but now this situation I do not know how good!!

------Solution--------------------
What is your page encoding? After coding with UrlEncode ()?
------Solution--------------------
Use UrlEncode for parameters on the pass Parameters page, use UrlDecode when obtaining parameters

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