Я пытался
<?php
$db = mysqli_connect('localhost', 'smscinema_sms', 'madona123janis', 'smscinema_sms');
if (isset($_GET['do'])) {
$code = $_GET['code'];
$id = $_GET['id'];
$price = $_GET['price'];
$active = "0";
$amount = "50";
$newprice = ($price * ((100-$amount) / 100));
$monyz = $rmembermoney["money"];
$sql_u = "SELECT * FROM codes WHERE code='$code' AND price='$price' AND active='$active'"; # Code, Price, Active matches
$res_u = mysqli_query($db, $sql_u); # Code, Price, Active matches
if (mysqli_num_rows($res_u) > 0) {
echo json_encode('code_charged_ok', JSON_HEX_TAG);
$query = "UPDATE members SET money=money + ".$newprice." WHERE memberID='".$id."'";
$results = mysqli_query($db, $query);
$query2 = "UPDATE codes SET active='0' WHERE code='".$code."'";
$results2 = mysqli_query($db, $query2);
$query3 = "UPDATE codes SET member='".$id."' WHERE code='".$code."'";
$results3 = mysqli_query($db, $query3);
}else{
echo json_encode('code_charged_ok', JSON_FORCE_OBJECT), "\n\n";
exit();
}
}
?>
но не знаю, как кодировать, чтобы получить текст, как в моем примере с airtel