php header示例代码(推荐)

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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。

复制代码 代码如下:
<?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.delorie.com/web/headers.html">delorie.com</a> or <a href="http://www.forret.com/projects/analyze/">www.forret.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.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:// <meta http-equiv="refresh" content="10;http://www.example.org/ />

// 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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