PHP修改HTTP headers代码示例

这里以多个示例演示了如何用header()函数修改HTTP headers,方便大家学习参考。如果需要检测页面的头部信息,可以使用这个在线工具:web-sniffer.net

你也可以使用浏览器的插件:(e.g. LiveHTTPHeaders,ieHTTPHeaders)

// See related links for more status codes

// Use this header instruction to fix 404 headers

// produced by url rewriting...

header('HTTP/1.1 200 OK');

// Page was not found:

header('HTTP/1.1 404 Not Found');

// Access forbidden:

header('HTTP/1.1 403 Forbidden');

// The page moved permanently should be used for

// all redrictions, because search engines know

// what's going on and can easily update their urls.

header('HTTP/1.1 301 Moved Permanently');

// Server error

header('HTTP/1.1 500 Internal Server Error');

// Redirect to a new location:

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

// Redriect with a delay:

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

print 'You will be redirected in 10 seconds';

// you can also use the HTML syntax:

//

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 past

header('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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