include_once("sender.php");
$url = 
'https://bitpay.ir/payment/gateway-send';
$api = 'Your-API';
$amount = 1000;
$redirect = 'REDIRECT-PAGE';
$name = '';$email = '';$description = '';
$factorId = 1;
$result = send($url,$api,$amount,$redirect,
$factorId,$name,$email,$description);

if($result > 0 && is_numeric($result))
{
$go = 
"http://bitpay.ir/payment/gateway-$result";

header("Location: $go");