public function get_init_discount($userid = 0) { global $dbh, $postvar, $getvar, $instance; if (!$userid) { $userid = $_SESSION['cuser']; } $coupons_query = coupons::user_coupon_data($userid, 1); while ($coupons_used_fetch = $dbh->fetch_array($coupons_query)) { $valid_coupon = coupons::check_expire($coupons_used_fetch['coupcode'], $userid); if ($valid_coupon) { $coupon_data = $dbh->select("coupons", array("coupcode", "=", $coupons_used_fetch['coupcode'])); $total_init = $total_init + $coupon_data['p2hinitdisc']; } } return $total_init; }