This is the code, which I must correct, and excuse my ignorance, I'm still learning, and thanks.
<?php include('../db.php');?>
<?php
//
http://yoursite.com/postbacks/offertoro.php?id={id}&ofid={oid}&amount={amount}&user={user_id}
$click_id = $_REQUEST['sig'];
$amount = $_REQUEST['amount'];
$ofid = $_REQUEST['ofid'];
$id = $_REQUEST['id'];
$type = "OfferToro offerwall Credit";
// Checking Remote Ip
if($_SERVER["REMOTE_ADDR"]=="54.175.173.245"){
// $offerData = $configs->getofferStatusData($click_id);
//$offerData = $_REQUEST;
$uid = $_GET['user_id'];
$point_value = $_GET['amount'];
if (!$point_value>0) {
$point_value = 0;
}
$r_source = mysqli_query($link,"select * from users where id = '$uid'");
$r_rows = mysqli_num_rows($r_source);
if ($r_rows>0) {
$r_row = mysqli_fetch_array($r_source);
$r_views = $r_row['points']+$point_value;
$user = $r_row['username'];
$task = $r_row['task']+1;
$r_sql = "UPDATE users SET points = '$r_views', task = '$task' WHERE id = '$uid'";
$res = mysqli_query($link, $r_sql);
}
$date = date("d-m-Y");
$currency_amount = $_GET['currency_amount'];
$sql = "INSERT INTO `tracker` (`username`, `points`, `type`, `date`) VALUES " . "('$user', '$point_value', '$type', '$date')";
$check = mysqli_query($link,$sql);
header("HTTP/1.1 200");
echo "success";
// Unknown Ip
}else{
header("HTTP/1.1 400");
api:

rintError(ERROR_UNKNOWN, "Unknown Error");
}
?>