// *******************************************************************
$success = false;
try {
$user_id = $active_user_id;
$creditcard = $a['card_number'];
$expiration1 = $a['card_exp_month'] . '-' . $a['card_exp_year'];
// for the first charge
$expiration2 = $a['card_exp_year'] . '-' . $a['card_exp_month'];
// for the subscription
$auth_total = $subscription_total;
$cvv = $a['card_cvv'];
$invoice = strval(time());
$tax = 0.0;
$payment = new AuthnetAIM('7jE3f8DhGK6', '9rkC8QgF349Jg48k');
$payment->setTransaction($creditcard, $expiration1, $auth_total, $cvv, $invoice, $tax);
$payment->setTransactionType("AUTH_CAPTURE");
$payment->setParameter("x_duplicate_window", 180);
$payment->setParameter("x_cust_id", $active_user_id);
$payment->setParameter("x_customer_ip", $_SERVER['REMOTE_ADDR']);
$payment->setParameter("x_email_customer", TRUE);
$payment->setParameter("x_first_name", $a['card_name_first']);
$payment->setParameter("x_last_name", $a['card_name_last']);
$payment->setParameter("x_address", $a['address']);
$payment->setParameter("x_city", $a['city']);
$payment->setParameter("x_state", $a['state']);
$payment->setParameter("x_zip", $a['zipcode']);
$payment->setParameter("x_ship_to_first_name", $a['card_name_first']);
$payment->setParameter("x_ship_to_last_name", $a['card_name_last']);
$payment->setParameter("x_ship_to_address", $a['address']);
$payment->setParameter("x_ship_to_city", $a['city']);
$payment->setParameter("x_ship_to_state", $a['state']);