$Addonpayable = 0; $Downpayment = $_POST['downpayment']; $Amount = $_POST['amount']; if (empty($Roomid)) { echo 'Room Number is required'; } else { if (empty($FirstName)) { echo 'First Name is required'; } else { if (empty($LastName)) { echo 'Last Name is required'; } else { if (empty($Contact)) { echo 'Contact Number is required'; } else { if (empty($Arrival)) { echo 'Start Date is required'; } else { if (empty($Departure)) { echo 'End Date is required'; } else { $walkin = new Walkin($Roomid, $Categoryname, $FirstName, $LastName, $Contact, $fromdate, $todate, $Numberofdays, $Status, $Addonpayable, $Downpayment, $Amount); if ($walkin->AddWalkin()) { echo 'true'; } } } } } } }