Php 301 redirection jump code _ PHP Tutorial

Php implements 301 redirection jump code. In php, the 301 redirection implementation method is very simple. we only need to simply use the header to send the 301 status code and then use the header to jump. The effect is the same as that of apache, iis, and nginx. In php, the 301 redirection implementation method is very simple. we only need to simply use the header to send the 301 status code and then use the header to jump. The effect is the same as that of apache, iis, and nginx.

I. This method is recommended because it transfers all the original URLs of www. bKjia. c0m to the new address of bKjia. c0m.

The code is as follows:
$ The_host = $ _ SERVER ['http _ host']; $ Request_uri = isset ($ _ SERVER ['request _ URI '])? $ _ SERVER ['request _ URI ']: ''; If ($ the_host = 'www. bKjia. c0m ') { Header ('http/1.1 301 Moved Permanently '); Header ('Location: http: // bKjia. c0m'. $ request_uri );// } ?>

2. single-page multi-site Php301 redirection code, www. bKjia. c0m and bKjia. c0m then 301 to index. on php, www. bKjia. c0m then 301 to bKjia. c0m, otherwise go to the error page

The code is as follows:
If ($ HTTP_HOST = "www. bKjia. c0m") or ($ HTTP_HOST = "bKjia. c0m ")) { Header ("HTTP/1.1 301 Moved Permanently "); Header ("Location:/index. php "); } Elseif ($ HTTP_HOST = "www. bKjia. c0m ") { Header ("HTTP/1.1 301 Moved Permanently "); Header ("Location: http: // bKjia. c0m "); } Else { Header ("Location:/404.htm "); } ?>

Attach other redirection methods

The code is as follows:

// Define the encoding Header ('content-Type: text/html; charset = utf-8 '); // Atom Header ('content-type: application/atom + XML '); // CSS Header ('content-type: text/css '); // Javascript Header ('content-type: text/javascript '); // JPEG Image Header ('content-type: image/jpeg '); // JSON Header ('content-type: application/json '); // PDF Header ('content-type: application/pdf '); // RSS Header ('content-Type: application/rss + xml; charset = ISO-8859-1 '); // Text (Plain) Header ('content-type: text/plain '); // XML Header ('content-type: text/XML '); // OK Header ('http/1.1 200 OK '); // Set a 404 header: Header ('http/1.1 404 Not Found '); // Set the address to be permanently redirected Header ('http/1.1 301 Moved Permanently '); // Go to a new address Header ('Location: http://www.example.org /'); // File delay redirection: Header ('refresh: 10; url = http://www.example.org /'); Print 'You will be redirected in 10 seconds '; // Of course, you can also use html syntax to implement // Header ('content-Transfer-Encoding: binary '); // Load the file to send: Readfile('example.zip '); // Disable caching for the current document Header ('cache-Control: no-Cache, no-store, max-age = 0, must-revalidate '); Header ('expires: Mon, 26 Jul 1997 05:00:00 GMT'); // Date in the past Header ('pragma: no-cache '); // Set the content type: Header ('content-Type: text/html; charset = ISO-8859-1 '); Header ('content-Type: text/html; charset = utf-8 '); Header ('content-Type: text/plain '); // plain text format Header ('content-Type: image/jpeg '); // JPG *** Header ('content-Type: application/zip'); // zip file Header ('content-Type: application/pdf '); // pdf file Header ('content-Type: audio/mpeg '); // audio File Header ('content-Type: application/x-shockw ** e-Flash'); // flash animation // Display the login dialog box Header ('http/1.1 401 unauthorized '); Header ('www-Authenticate: Basic realm = "Top Secret "'); Print 'text that will be displayed if the user hits cancel or '; Print 'enters wrong login data ';

Pay attention to the following points to help solve some problems that beginners often encounter.
1. there must be no space between location and:. Otherwise, an error will occur.
2. there cannot be any output before using the header.
3. the PHP code after the header is executed.

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