What is the method to implement 301 jump in php

How to implement 301 jump in php: First use the "header("HTTP/1.1 301 Moved Permanently");" statement to set the 301 status code; then use the "header("Location:your_dest_url");" statement Just jump.

The operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

Normal temporary jump in php Transfer usually uses:

header("Location:your_dest_url");

The returned status code is 302

If you want to implement If php 301 jumps, you need to set the status code before:

header("HTTP/1.1 301 Moved Permanently"); 
header("Location:your_dest_url");

Attachment: 30*The difference between return status codes

301, 302 are both The encoding of HTTP status all represents that a certain URL has been transferred. The difference is:

• 301 redirect: 301 represents Permanently Moved,

• 302 redirect: 302 represents Temporarily Moved.

What are the benefits or problems when using these two transfers?

• 301 redirection is the best way to be friendly to search engines after the webpage changes its address. As long as it is not a temporary move, it is recommended to use 301 for redirection.

• 302 Redirect is a temporary transfer.

Using the above method can be achieved PHP 301 redirect, permanent redirection of URL.

For example:

<?php $the_host = $_SERVER[&#39;HTTP_HOST&#39;];//取得当前域名
$request_uri = isset($_SERVER[&#39;REQUEST_URI&#39;]) ? $_SERVER[&#39;REQUEST_URI&#39;] : &#39;&#39;;//判断地址后面是否有参数 
 
header(&#39;HTTP/1.1 301 Moved Permanently&#39;);//发出301头部
header(&#39;Location: http://www.jbxue.com&#39;.$request_uri);//跳转到目标

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