<?php
                                if (isset($_POST['tes'])) {
                    $memberid = "PS--84"; // your api key
                    $sign = "3---5"; // your order id
                    $postdata = "memberID=$memberid&sign=$sign";

                    $ch = curl_init();
                    curl_setopt($ch, CURLOPT_URL, "103.20.191.50:8099/balance");
                    curl_setopt($ch, CURLOPT_POST, 1);
                    curl_setopt($ch, CURLOPT_POSTFIELDS, $postdata);
                    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
                    curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
                    $chresult = curl_exec($ch);

                    echo $chresult;
                    }
                    ?>
                    <hr>
                    <br>
                    Username nya : <?php echo $a; ?><br>
                    Saldo nya : <?php echo $b; ?><br>
                    Status Sekarang : <?php echo $c; ?><br>
                    <form class="form-horizontal" method="POST">
    Untuk mendapatkan Note, silahkan klik <button type="submit" class="btn btn-default waves-effect waves-light" name="tes"><i class="icon-refresh"></i>Ulangi</button><br />
    </form>