http頭狀態信息及php header設置詳述

// ok
header('HTTP/1.1 200 OK');
header('HTTP/1.1 404 Not Found');
header('HTTP/1.1 301 Moved Permanently');
header('Refresh: 10; url=');
print 'You will be redirected in 10 seconds';
// override X-Powered-By: PHP:
header('X-Powered-By: PHP/4.4.0');
header('X-Powered-By: Brain/0.6b');
header('Content-language: en');
$time = time() - 60; // or filemtime($fn), etc
header('Last-Modified: '.gmdate('D, d M Y H:i:s', $time).' GMT');
header('HTTP/1.1 304 Not Modified');
header('Content-Length: 1234');
header('Content-Type: application/octet-stream');
header('Content-Transfer-Encoding: binary');
// load the file to send:
// 對當前文檔禁用緩存
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');
header('Content-Type: text/html; charset=iso-8859-1');
header('Content-Type: text/html; charset=utf-8');
header('Content-Type: text/plain'); //純文本格式
header('Content-Type: image/jpeg'); //JPG圖片
header('Content-Type: application/zip'); // ZIP文件
header('Content-Type: application/pdf'); // PDF文件
header('Content-Type: audio/mpeg'); // 音頻文件
header('Content-Type: application/x-shockwave-flash'); //Flash動畫
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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