php header示例代码(推荐)

/*** Function: PHP header() examples (PHP)

** Desc: Some examples on how to use the header() function of PHPYou find a detailed tutorial at expertsrt.com (English) or at ffm.junetz.de (German).These is also a good help about caching at web-caching.com.

** Example: see below. Tip: You can use these sites to check your headers: web-sniffer.net, delorie.com or www.forret.com.

** Author: Jonas John

*/

// fix 404 pages:

header(HTTP/1.1 200 OK);

// set 404 header:

header(HTTP/1.1 404 Not Found);

// set Moved Permanently header (good for redrictions)

// use with location header

header(HTTP/1.1 301 Moved Permanently);

// redirect to a new location:

header(Location: http://www.example.org/);

// redrict with delay:

header(Refresh: 10; url=http://www.example.org/);

print You will be redirected in 10 seconds;

// you could also use the HTML syntax://

// override X-Powered-By: PHP:

header(X-Powered-By: PHP/4.4.0);

header(X-Powered-By: Brain/0.6b);

// content language (en = English)

header(Content-language: en);

// last modified (good for caching)

$time = time() ? 60; // or filemtime($fn), etc

header(Last-Modified: .gmdate(D, d M Y H:i:s, $time). GMT);

// header for telling the browser that the content

// did not get changed

header(HTTP/1.1 304 Not Modified);

// set content length (good for caching):

header(Content-Length: 1234);

// Headers for an download:

header(Content-Type: application/octet-stream);

header(Content-Disposition: attachment; filename=”example.zip”);

header(Content-Transfer-Encoding: binary);

// load the file to send:readfile(example.zip);

// Disable caching of 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 pastheader(Pragma: no-cache);

// set 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 file

header(Content-Type: image/jpeg);

// JPG picture

header(Content-Type: application/zip);

// ZIP file

header(Content-Type: application/pdf);

// PDF file

header(Content-Type: audio/mpeg);

// Audio MPEG (MP3,…) file

header(Content-Type: application/x-shockwave-flash);

// Flash animation// show sign in 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;

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