回复，

令牌）{
ksort（

回复）;

Hello
can anyone help me do this , i do not know PHP and i have to do this in asp.net c#

function sign_ipn($reply, $token) {
    ksort($reply);
    $flat_reply = "";
    foreach ($reply as $key=>$value) {
        $flat_reply = $flat_reply."$key=$value&";
    }
    $flat_reply = $flat_reply."token=$token";
    return md5($flat_reply);
}

$fields = $_POST['fields'];
$data['fields'] = $fields;
$tok = strtok($fields, ",");
while ($tok !== false) {
    $data[$tok] = $_POST[$tok];
    $tok = strtok(",");
}
$mysign = sign_ipn($data, '123456');

What I have tried:

can anyone help me do this , i do not know PHP and i have to do this in asp.net c#

reply,

token) { ksort(

reply);