Help paypal script problem

[YugiNao]

snow server 3.0
gesior aac 0.3.8

IPN.php

<?php
if ($_REQUEST['debug']) {
ini_set("display_errors", True);
error_reporting(E_ALL);
}
$mysql_host = 'localhost'; //Leave at localhost  
$mysql_user = 'root'; //DB User  
$mysql_pass = 'xxxxxxx'; //DB Pass  
$mysql_db = 'otserv'; //DB Name  
$file = 'paypal.log'; //Paypal Log Name will be placed in the same location as your ipn.php file 
$payer_email = $_REQUEST['payer_email']; 
$ip = $_SERVER['REMOTE_ADDR'];
if($ip != "66.211.170.66" && $ip != "216.113.188.202" && $ip != "216.113.188.203" && $ip != "46.129.25.159") {
	print "Scammer...";
$hak = fopen("scammer.log", "a");
fwrite($hak, "$ip \r\n");
fclose($hak);
die(0);
}
$time = date("F j, Y, g:i a"); 
$paylist = array("5.00" => 7, "10.00" => 15, "20.00" => 32);

// connect db  

$db = mysql_connect($mysql_host, $mysql_user, $mysql_pass);

$custom = stripslashes(ucwords(strtolower(trim($_REQUEST['custom']))));  
$receiver_email = $_REQUEST['receiver_email'];  
$payment_status = $_REQUEST['payment_status'];  
$mc_gross = $_REQUEST['mc_gross']; 
mysql_select_db($mysql_db, $db);  
if ($_REQUEST['debug']){
print $payment_status . '\n';
print (isset($paylist[$mc_gross])) ? 1 : 0 . '\n';
print $receiver_email . '\n';
print $custom . '\n';
}
if ($payment_status == "Completed" && $receiver_email == "[email protected]" && isset($paylist[$mc_gross])) {  

$query = "SELECT premium_points FROM accounts WHERE accounts.name = '$custom'";  

$result = mysql_query($query);  

$prem = mysql_fetch_array($result);  
$somecode = "'$time' '$custom' '$payer_email' '$mc_gross' '$ip'\r\n";

// figure out how much to give
$give = $paylist[$mc_gross];
$points = $prem['premium_points'] + $give;  
// $points = mysql_query($prem)  
$qry2 = "UPDATE accounts SET premium_points = '$points' WHERE accounts.name = '$custom'";  
// Log Paypal Transaction 
$hak = fopen($file, "a"); 
fwrite($hak, $somecode); 
fclose($hak); 

$result2 = mysql_query($qry2);  
}  
else  
 {   
 echo("Error.");  
 }  
?>

 

[QuaS]

Here a thinking starts /b/ro.