将表单数据存储为会话变量 [英] Storing Form Data as a Session Variable

问题描述

所以我想知道是否可以将来自表单的数据存储为会话变量。

这是我迄今为止的内容，但我不知道要为表单操作放置什么。

感谢您的期待！

 < strong>测试表格< / strong> 
< form action =methodpost> 
< input type =textname =picturenum/> 
< input type =submitname =Submitvalue =Submit！ /> 
< / form> 
 
 <？ 
 if（isset（$ _ POST ['Submit']））{
 $ _session ['picturenum'] = $ _POST ['picturenum']; 
} 
？> 
 
< strong>< ;? echo $ _session ['picturenum'];？>< / strong> 
  

解决方案

要使用会话变量，使用 session_start 函数，这将允许您以持久的方式将数据存储在全局变量 $ _ SESSION 中。

所以你的代码最终会看起来像这样：

 <强大>测试表格< / strong> 
< form action =methodpost> 
< input type =textname =picturenum/> 
< input type =submitname =Submitvalue =Submit！ /> 
< / form> 
 
 <？php 
 
 //开始会话
 session_start（）; 
 
 
 if（isset（$ _ POST ['Submit']））{
 $ _SESSION ['picturenum'] = $ _POST ['picturenum']; 
} 
？> 
 
< strong><？php echo $ _SESSION ['picturenum'];？>< / strong> 
  

为了方便使用并避免再次遗忘，您可以创建一个 session_file.php 它将包含在您的所有代码中，并将为您开始会话

$ b

session_start.php

strong>

 <？php 
 session_start（）; 
？> 
  

然后将其包含在任何您喜欢的位置：

 < strong>测试表格< / strong> 
< form action =methodpost> 
< input type =textname =picturenum/> 
< input type =submitname =Submitvalue =Submit！ /> 
< / form> 
 
<？php 
 
 //包括会话文件
 require_once（session_start.php）; 
 
 
 if（isset（$ _ POST ['Submit']））{
 $ _SESSION ['picturenum'] = $ _POST ['picturenum']; 
} 
？> 
  

这是将来可以轻松维护的便捷方式。

其他评论

如果您使用的是Apache版本2或更多，请小心，而不是

<？


打开php的标签，使用
<？php ，否则您的代码将不会被解释 PHP中的变量名称区分大小写，而不是写入$ _session，用大写字母写$ _SESSION

良好的工作！

So I was wondering if it would be possible to store data coming in from a form as a session variable.

Heres what I have so far, but I don't know what to put for the Form Action.

Thanks for looking!

<strong>Test Form</strong>
<form action="" method"post">
    <input type="text" name="picturenum"/>
    <input type="submit" name="Submit" value="Submit!" />
</form>

<? 
    if (isset($_POST['Submit'])) { 
        $_session['picturenum'] = $_POST['picturenum'];
    } 
?> 

<strong><? echo $_session['picturenum'];?></strong>

解决方案

To use session variables it's necessary to start the session by using the session_start function, this will allowed you to store your data in the global variable $_SESSION in a persistent way.

so your code will finally looks like this :

<strong>Test Form</strong>
<form action="" method"post">
<input type="text" name="picturenum"/>
<input type="submit" name="Submit" value="Submit!" />
</form>

<?php 

 // starting the session
 session_start();


 if (isset($_POST['Submit'])) { 
 $_SESSION['picturenum'] = $_POST['picturenum'];
 } 
?> 

<strong><?php echo $_SESSION['picturenum'];?></strong>

to make it easy to use and to avoid forgetting it again, you can create a session_file.php which will be include in all your codes and will start the session for you

session_start.php

 <?php
   session_start();
 ?> 

and then include it wherever you like :

<strong>Test Form</strong>
<form action="" method"post">
<input type="text" name="picturenum"/>
<input type="submit" name="Submit" value="Submit!" />
</form>

<?php 

 // including the session file
 require_once("session_start.php");


 if (isset($_POST['Submit'])) { 
 $_SESSION['picturenum'] = $_POST['picturenum'];
 } 
?> 

that's is the more portable and easy way to maintain in the future.

other remarks

• if you are using Apache version 2 or more, be carefull instead of
  <?
  to open php's tags, use <?php, otherwise your code will not be interpreted

• variables names in php are case-sensitives instead of write $_session, write $_SESSION in capital letters

good work !

这篇关于将表单数据存储为会话变量的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！