<form method="post" id="moduloReg" class="needs-validation" action="database.php" novalidate>
                            <div class="form-row">
                                <div class="col-md-12 mb-3">
                                    <label for="name">Nome</label>
                                    <input id="name" name="name" type="text" class="form-control" placeholder="Nome" required>
                                    <div class="valid-feedback">
                                        Looks good!
                                    </div>
                                    <div class="invalid-feedback">
                                        Immetti il tuo nome
                                    </div>
                                </div>
                            </div>
                             <button type="submit" class="btn btn-primary btnmod">Continua</button>
                        </form>

$servername = "localhost";
$username = "root";
$password = "";
$DB = 'formutenti';
// Create connection
$conn = new mysqli($servername, $username, $password, $DB);

// Check connection
if ($conn->connect_error) {
    die("Connessione fallita " . $conn->connect_error);
}
echo "Connessione Riuscita";

$nome = $_POST['name'];
    mysql_select_db("formutenti", $conn) or die();
    mysql_query("INSERT INTO login VALUES($nome)", $conn);

if ($conn->query($nome) === TRUE) {
    echo "New record created successfully";
} else {
    echo "Error: " . $nome . "<br>" . $conn->error;
}