如何处理我的表单中的两个提交按钮 - How to handle two submit buttons in my form

How to handle two submit buttons in my form

我想在我的表单中创建两个提交按钮

<form id="form-input-wrapper" action='test.php'>
//form items..
//form items..
    <button class="btn btn-primary" type="submit" value="old">first button.</button>
    <button class="btn btn-primary" type="submit" value="new">second button</button>
</form>

我的问题是如何区分用户在我的test.php页面点击哪个按钮?

您需要为您的按钮添加name属性

<button class="btn btn-primary" type="submit" name="old" value="old">first button.</button>
<button class="btn btn-primary" type="submit" name="new" value="new">second button</button>

使用的php代码如下所示:

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    //something posted
    if (isset($_POST['old'])) {
        //old
    } elseif (isset($_POST['new']){
        //new
    }
}

相关问题:如何判断PHP表单提交中单击了哪个按钮?

在php中使用按钮名称标签并检查它们:

<button name="subject1" type="submit" value="HTML">HTML</button>
<button name="subject2" type="submit" value="CSS">CSS</button>

在php中:

<?php
  if ($_SERVER['REQUEST_METHOD'] === 'POST') {
     if ( isset($_POST['subject1']) )   {
       // first button is clicked
     } elseif ( isset($_POST['subject2']) )   {
        //second button is clicked
     }
  }
?>