PHP 常用的header頭部定義header('HTTP/1.1 200 OK'); // ok 正常通路
header('HTTP/1.1 404 Not Found'); //通知浏覽器 頁面不存在
header('HTTP/1.1 301 Moved Permanently'); //設定位址被永久的重定向 301
header('Location: http://www.ithhc.cn/'); //跳轉到一個新的位址
header('Refresh: 10; url=http://www.ithhc.cn/'); //延遲轉向 也就是隔幾秒跳轉
header('X-Powered-By: PHP/6.0.0'); //修改 X-Powered-By資訊
header('Content-language: en'); //文檔語言
header('Content-Length: 1234'); //設定内容長度
header('Last-Modified: '.gmdate('D, d M Y H:i:s', $time).' GMT'); //告訴浏覽器最後一次修改時間
header('HTTP/1.1 304 Not Modified'); //告訴浏覽器文檔内容沒有發生改變
###内容類型###
header('Content-Type: text/html; charset=utf-8'); //網頁編碼
header('Content-Type: text/plain'); //純文字格式
header('Content-Type: image/jpeg'); //JPG、JPEG
header('Content-Type: application/zip'); // ZIP檔案
header('Content-Type: application/pdf'); // PDF檔案
header('Content-Type: audio/mpeg'); // 音頻檔案
header('Content-type: text/css'); //css檔案
header('Content-type: text/javascript'); //js檔案
header('Content-type: application/json'); //json
header('Content-type: application/pdf'); //pdf
header('Content-type: text/xml'); //xml
header('Content-Type: application/x-shockw**e-flash'); //Flash動畫
######
###聲明一個下載下傳的檔案###
header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment; filename="ITblog.zip"');
header('Content-Transfer-Encoding: binary');
readfile('test.zip');
######
###對目前文檔禁用緩存###
header('Cache-Control: no-cache, no-store, max-age=0, must-revalidate');
header('Expires: Mon, 26 Jul 1997 05:00:00 GMT');
######
###顯示一個需要驗證的登陸對話框###
header('HTTP/1.1 401 Unauthorized');
header('WWW-Authenticate: Basic realm="Top Secret"');
######
###聲明一個需要下載下傳的xls檔案###
header('Content-Disposition: attachment; filename=ithhc.xlsx');
header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
header('Content-Length: '.filesize('./test.xls'));
header('Content-Transfer-Encoding: binary');
header('Cache-Control: must-revalidate');
header('Pragma: public');
readfile('./test.xls');
######