public static function EGOP_transaction_callback()
 {
     // /* for debug
     Core::write_log("/tmp/callback_EGOP.txt", __FUNCTION__ . ' : First POST : ' . print_r($_POST, true));
     reset($_POST);
     // */
     $amount = Core::validate($_POST['fAmount']);
     $currency_name = Core::validate($_POST['sCurrency']);
     $at_id = Core::validate($_POST['cf_1']);
     $currency = new Currency();
     if (!$currency->findBy(array('Name' => $currency_name))) {
         exit;
     }
     $at = new AtEgop();
     $exist = $at->findBy(array('id' => $at_id, 'amount' => $amount, 'currency_id' => $currency->getId(), 'type' => 1, 'status' => 0));
     if (!$exist) {
         exit;
     }
     $wallet = new WalletsEgop();
     $wallet->findById($at->getOurWalletId());
     try {
         $oEgopay = new EgoPaySciCallback(array('store_id' => $wallet->getStoreId(), 'store_password' => $wallet->getStorePassword(), 'checksum_key' => $wallet->getChecksumKey(), 'verify_peer' => false));
         $aResponse = $oEgopay->getResponse($_POST);
         $status = $aResponse['sStatus'];
         if ($status == 'Completed') {
             $limits = self::transactionLimits($currency->getId(), 'EGOP', 0);
             if ($amount < $limits['min'] || $limits['max'] != null && $amount > $limits['max']) {
                 Core::write_log(EGOPAY_LOG_PATH, __FUNCTION__ . ' Error : Incorrect amount (limits are not complied) : ' . $amount);
                 return;
             }
             $feeVolume = $amount * $limits['fee'];
             $feeVolume = Core::round_up($feeVolume, 2);
             $purseList = Purse::findBy(array('UID' => $at->getUID(), 'CurId' => $currency->getId()));
             $purse = new Purse();
             $purse->findById($purseList[0]['id']);
             $purse->addValue($amount - $feeVolume);
             $purse->save();
             $profit = $feeVolume * $wallet->getShare();
             $wallet->setProfit($wallet->getProfit() + $profit);
             $wallet->save();
             $at->setStatus(1);
             $at->setTransactionId($aResponse['sId']);
             $at->setClientAccount($aResponse['sEmail']);
             $at->save();
         } else {
             if ($status == 'Cancelled') {
                 $at->delete();
             } else {
                 if ($status == 'TEST SUCCESS') {
                     Core::write_log(EGOPAY_LOG_PATH, __FUNCTION__ . ' : TEST SUCCESS POST : ' . print_r($_POST, true));
                 }
             }
         }
     } catch (EgoPayException $e) {
         Core::write_log(EGOPAY_LOG_PATH, __FUNCTION__ . ' Exception : ' . $e->getCode() . " : " . $e->getMessage());
     }
 }
<?php

### Copyright 2012 SABRINA MARKON PearlsOfWealth.com Sunshinehosting.net EGOPAY CALLBACK SYSTEM. Copying without license from Sabrina Markon (50.00 one time per cpanel account fully installed)
### is prohibited.
### Theft of my work will result in your host and their data center warehouse receiving a DHMC takedown notice for any content and/or a careless remote removal of stolen material (I do not need cpanel
### access to messily delete and hack my own work someone has stolen, obviously)
include "db.php";
require 'EgoPaySci.php';
$oEgopay = new EgoPaySciCallback(array('store_id' => $store_id, 'store_password' => $store_password));
$aResponse = $oEgopay->getResponse($_POST);
$sId = $aResponse["sId"];
$sDate = $aResponse["sDate"];
$fAmount = $aResponse["fAmount"];
$sCurrency = $aResponse["sCurrency"];
$fFee = $aResponse["fFee"];
$sType = $aResponse["sType"];
$iTypeId = $aResponse["iTypeId"];
$sEmail = $aResponse["sEmail"];
$sDetails = $aResponse["sDetails"];
$sStatus = $aResponse["sStatus"];
$cf_1 = $aResponse["cf_1"];
$cf_2 = $aResponse["cf_2"];
$cf_3 = $aResponse["cf_3"];
$cf_4 = $aResponse["cf_4"];
if ($sStatus == "Completed" or $sStatus == "TEST SUCCESS") {
    $userid = $cf_1;
    $item = $cf_2;
    $amount = $fAmount;
    $txn_id = $sId;
    $query = "select * from members where userid='" . $userid . "'";
    $result = mysql_query($query) or die(mysql_error());