URL after code, PHP program get parameters garbled, how to solve

URL Code, PHP program get parameters garbled
Such a URL
http://localhost/index.php?app=search&keyword= %d0%dd%cf%d0%bf%e3
The red part is Chinese, after encoding, the effect is equivalent to JS in the encodeURI, but in php $_get[' keyword '] obtained is garbled like this, do not know how to solve

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------Solution--------------------
Because you passed the UrlEncode is the result of GBK encoding, and you receive the file is Utf-8?
It's good to be unified.
Casual pants.
------Solution--------------------
%d0%dd%cf%d0%bf%e3 Casual Trousers
On the Utf-8 page, show as
------Solution--------------------
The page is to be encoded uniformly.

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