一个完美的演示PHP header()函数用法的完整代码。
其中介绍的refresh方法，比<META ……用起来更得心应手，应该是段不错的代码。
<?php
/*** 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. <br/><br/><b>Tip:</b> You can use these sites to check your headers: <a href="http://web-sniffer.net/">web-sniffer.net</a>, <a href="http://www.jbxue.com/web/headers.html">jbxue.com</a> or <a href="http://www.jbxue.com/projects/analyze/">www.jbxue.com</a>.
** 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.jbxue.com/'); // redrict with delay:
header('Refresh: 10; url=http://www.jbxue.com/');
print 'You will be redirected in 10 seconds'; // you could also use the HTML syntax:// <meta http-equiv="refresh" content="10;http://www.jbxue.com/ /> // 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';
?>