PHP implements 301 redirection and latency jump code-PHP source code

301 jump must be implemented by a program or server. If it is a page Jump, JavaScript or page html can be used. Next we will introduce the page Jump, and then introduce the 301 jump. 301 jump must be implemented by a program or server. If it is a page Jump, JavaScript or page html can be used. Next we will introduce the page Jump, and then introduce the 301 jump.

Script ec (2); script

In general, this type of jump is a 302 jump, but only a temporary jump. If you need to perform a permanent rewrite (SEO is useful), you can achieve the following:

Header ("HTTP/1.1 301 Moved Permanently ");
Header ("Location: redirect. php ");

When we use html for pages, we will encounter regular refreshes. We can see the following labels:

Indicates that the page is refreshed every two seconds. In fact, it is redirected to the page.

Therefore, PHP can be implemented as follows based on the HTTP protocol:

Header ("refresh: 2; url = refresh. php ");

1. window. location. href Mode