How to set up 301 redirect jump in php

How to set 301 redirect jump in php: set the status code [header( "HTTP/1.1 301 Moved Permanently" ); header("Location:your_dest_url")] before the jump.

The operating environment of this tutorial: Windows 7 system, PHP version 5.6, DELL G3 computer. This method is suitable for all brands of computers.

How to set 301 redirect jump in php:

Normal temporary jump in php usually uses:

header("Location:your_dest_url");

This kind of return The status code is 302

If you want to implement php 301 jump, 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 HTTP status codes, and both represent that a certain URL has been transferred. The difference is:

• 301 redirect: 301 represents permanent transfer. (Permanently Moved),

• 302 redirect: 302 represents temporary transfer (Temporarily Moved),

• When these two transfers are used What are the benefits or problems?

• 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.

Use the above method to achieve php 301 redirection and permanent redirection of the 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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