dupadupadupa222

                    <form method="post" action="selectUser.php">
                        <div class="form-group">
                            <label for="exampleFormControlSelect1">Wybierz użytkownika</label>
                            <?php
                                $db_user = 'root';
                                $db_pass = '';
                                $db_name = 'zadanie_sesje';
                                $db_host = 'localhost';
                                $conn = mysqli_connect($db_host, $db_user, $db_pass, $db_name);

                                $query = 'SELECT * FROM names';
                                $result = $conn->query($query);
                            ?>
                            <select class="form-control" name="selectUser">
                                <?php
                                    while($row = mysqli_fetch_assoc($result)) {
                                        echo '<option value='.$row['n_id'].'>'.$row['n_name'].'</option>';
                                    }
                                ?>
                            </select><br>
                            <button class="btn btn-success" type="submit">Wybierz użytkownika</button>
                        </div>
                    </form>