$name = filter_input(INPUT_POST, 'first_name');
$surname = filter_input(INPUT_POST, 'last_name');
$email = filter_input(INPUT_POST, 'email');
if (!empty($username)){
if (!empty($password)){
$host = "localhost";
$dbusername = "borgo123";
$dbpassword = "";
$dbname = "my_borgo123";

// Create connection
$conn = new mysqli ($host, $dbusername, $dbpassword, $dbname);

if (mysqli_connect_error()){
    die('Connect Error ('. mysqli_connect_errno() .') '
    . mysqli_connect_error());
}
else{
    $sql = "INSERT INTO account (username, password)
    values ('$username','$password')";
    if ($conn->query($sql)){
        echo "New record is inserted sucessfully";
}
else{
    echo "Error: ". $sql ."
    ". $conn->error;
}
$conn->close();
}
}
else{
    echo "Password should not be empty";
    die();
}
}
else{
echo "Username should not be empty";
die();
}