<div class="form-group"> <label class="col-md-4 control-label" for="submit"></label> <div class="col-md-4"> <button id="submit" name="submit" class="btn btn-primary">Search</button> </div> </div> </fieldset> </form> </div> </div> <div class="row"> <div class="col-md-6 col-md-offset-3"> <?php if (isset($_POST['submit'])) { $data = new Word($_POST['rows'], $_POST['columns']); $data->get_string($_POST['string']); $data->search_string($_POST['search_string']); $data->create_table(); } ?> </div> </div> <!-- Latest compiled and minified JavaScript --> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.min.js" integrity="sha512-K1qjQ+NcF2TYO/eI3M6v8EiNYZfA95pQumfvcVrTHtwQVDG+aHRqLi/ETn2uB+1JqwYqVG3LIvdm9lj6imS/pQ==" crossorigin="anonymous"></script> </body> </html>