何时发送HTTP状态码？ [英] When to send HTTP status code?

问题描述

目前在我的PHP脚本中，当他/她尝试访问不存在或不属于该用户的内容时，我将用户重定向到自定义的404找不到错误页面。像这样：

  header（'Location：http://www.mydomain.com/error/notfound/'）; 
出口; 
  

我意识到上面的header（）调用默认发送302重定向状态码。

然而，我不明白的是，我应该发送404未找到的状态码。在我重定向用户之前？或者当我显示 / error / notfound / 页面时？

感谢您的帮助！

  header（HTTP / 1.0 404 Not Found）; 
包含'error.php'; 
 die（）; 
  

Currently in my PHP scripts, I redirect the user to a custom 404 not found error page when he/she tries to access content that doesn't exist or doesn't belong to that user. Like so:

header('Location: http://www.mydomain.com/error/notfound/');
exit;

I realize the above header() call sends a 302 redirect status code by default.

What I don't understand, however, is when I should send the 404 not found status code. Before I redirect the user? Or when I display the /error/notfound/ page?

Thanks for your help!

解决方案

You should do something like this:

header("HTTP/1.0 404 Not Found");
include 'error.php';
die();

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