Es erfolgt keine Reaktion, wenn ich jetzt auf die Schaltfläche „PHP erneuern“ klicke. Könnten Sie mir bitte helfen, es auszuprobieren?

Question

<?php if ($user_info[ 'plans' ]): // Versionsfreigabe unter Erneuerungsfunktion?>

                <div class="block block-rounded mt-4">                              -header-default">

                                                           ;

                                                                ;div class="form-group mb -2 "& gt; & & lt; label class =" form- label fs-sm "for =" period "& gt; Erneuerungszyklus & lt;/label & lt ; select class =" form-selet "id =" period " ">

                                                                                                                                          /option>

                                                                                     90">Drei Monate</option>

                                                                    <option value="150">Fünf Monate< ;/ option> ;Sieben Monate</option>

                                                                                                                      240">Acht Monate</option>

                                                             <option value="300">Zehn Monate</ option>

                                                                                                                                                                        

                              <option value="360">十二个月</option>

                        </select>

 .                      </div>

                        <div class="row mb-2">

                          <div class="col-xl-12 mt-2">

                            <input type="submit" name="submit" id="submit" value="立即续费" class="btn btn- sm btn-alt-primary form-control">

                          </div>

                      </div>  </form>

                </div>

            </div>

        <?php else: ?><?php if (__ENABLE_ONLINE_MEMBERSHIP__ == 1 || __ENABLE_MEMBERSHIP_ACTIVATION_CODE__ == 1): ?>

            <h2. class="content-heading">开通会员< ;/h2>

                <?php if (__ENABLE_MEMBERSHIP_ACTIVATION_CODE__): ?>

                <div class="block block-rounded block-link-shadow">

                     <div class="block-content block -content-full mb-4">

                          <label class="form-label fs-sm text-muted" for="plans_card">卡密开通</label>

         <div class= "input-group">

                                <input type="text" class="form-control form-control-alt" id="plans_card" name="plans_card" placeholder="输入卡密信息">

                                <button type="button" onclick="cardOpenMember()" class="btn btn-alt-primary">卡密开通</button>  </div>

                        </div>

                    </div>

            <?php endif; ?>

                <?php if (__ENABLE_ONLINE_MEMBERSHIP__): ?>