Скрипт кастомного постбэка

<?php
$actual_link = "http://$_SERVER[HTTP_HOST]$_SERVER[REQUEST_URI]";
	$status='unknown';
	$pay='0';
file_put_contents("log-apgames.txt", date("d/m/Y H:i:s")." ".print_r($actual_link, true)."\n", FILE_APPEND | LOCK_EX);

if(isset($_GET['subid'])  && isset($_GET['aim']))
{
if (isset($_GET['currency']) && isset($_GET['payout']))
		{
			switch($_GET['currency'])
			{
		     case 'RUR': $pay=round($_GET['payout']/59.2697961,3);break;
		     case 'EUR': $pay=round($_GET['payout']/0.879352796,3);break;
		     case 'UAH': $pay=round($_GET['payout']/26.0030684,3);break;
		     case 'USD': $pay=$_GET['payout'];break; // дефолтный, без префикса
		    }
		}

switch($_GET['aim']){
	 case '14750': $status='signup';break;
	 case '14751': $status='1st-deposit';break;
	 case '14752': $status='next-deposit';break;
	}

file_get_contents('http://get-chance-to-win-prize.com/click.php?cnv_id='.$_GET['subid'].'&payout='.$pay.'&cnv_status='.$status);
file_put_contents("log-apgames.txt", date("d/m/Y H:i:s").' '.'http://get-chance-to-win-prize.com/click.php?cnv_id='.$_GET['subid'].'&payout='.$pay.'&cnv_status='.$status."\n", FILE_APPEND | LOCK_EX);
echo('
   <html><head></head><body><p align="center"><img src="onemore.png" /></p></body></html>');

}
?>