PHP 修改HTTP头 --Modify HTTP Headers
Modify HTTP Headers
// 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 errorheader('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:// <meta http-equiv="refresh" content="10;http://www.example.org/ /> // override X-Powered-By valueheader('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), etcheader('Last-Modified: '.gmdate('D, d M Y H:i:s', $time).' GMT'); // header for telling the browser that the content// did not get changedheader('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 fileheader('Content-Type: image/jpeg'); // JPG pictureheader('Content-Type: application/zip'); // ZIP fileheader('Content-Type: application/pdf'); // PDF fileheader('Content-Type: audio/mpeg'); // Audio MPEG (MP3,...) fileheader('Content-Type: application/x-shockwave-flash'); // Flash animation // show sign in boxheader('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';