// Check input errors before inserting in database
    if(empty($username_err) && empty($password_err) && empty($Email_err) && empty($Phone_err) && empty($Address_err)  &&  empty($confirm_password_err)){

        // Prepare an insert statement
        $sql = "INSERT INTO Staff (username,password,Email,Phone,Address) VALUES (?, ?,?,?,?)";

        if($stmt = mysqli_prepare($link, $sql)){
            // Bind variables to the prepared statement as parameters
            mysqli_stmt_bind_param($stmt, "sssss", $param_username, $param_password,$param_Email,$param_Phone,$param_Address);

            // Set parameters
            $param_username = $username;
            $param_password = password_hash($password, PASSWORD_DEFAULT); // Creates a password hash
            $param_username = $Email;
            $param_username = $Phone;
            $param_username = $Address;

            // Attempt to execute the prepared statement
            if(mysqli_stmt_execute($stmt)){
                // Redirect to login page
                header("location: login.php");
            } else{
                echo "Something went wrong. Please try again later.";
            }
        }

        // Close statement
        mysqli_stmt_close($stmt);
    }

    // Close connection
    mysqli_close($link); } ?>