public static function saveToSupplier(Supplier $spp) { $conn = cont\connection::getConnectionObject(); $con = $conn->getConnection(); $sql = $con->prepare("INSERT INTO Supplier VALUES (?,?,?,? )"); $supplierId = $spp->getSupplierId(); $name = $spp->getName(); $contactNo = $spp->getContactNo(); $Nic = $spp->getNic(); $sql->bind_param("ssss", $supplierId, $name, $contactNo, $Nic); if ($sql->execute() == TRUE) { echo "New record created successfully"; return true; } else { echo "not working"; echo "Error: " . $sql . "<br>"; return false; } }