php--------返回404狀態

php header()返回404狀態代碼的兩種方式php

//方式一
    header('HTTP/1.1 404 Not Found');exit('404') //方式二 
    header("status: 404 Not Found");exit('404')

 

php header()函數的其餘請求返回狀態:html

      1. 頁面沒找到 Not Found
  
  header(‘HTTP/1.1 404 Not Found’);
  
  2. 用這個header指令來解決URL重寫產生的404 header
  
  header(‘HTTP/1.1 200 OK’);
  
  3. 訪問受限
  
  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.
  
  4. 頁面被永久刪除,能夠告訴搜索引擎更新它們的urls
  
  header(‘HTTP/1.1 301 Moved Permanently’);
  
  5. 服務器錯誤
  
  header(‘HTTP/1.1 500 Internal Server Error’);
  
  6. 重定向到一個新的位置
  
  header(‘Location: .example.org/’);
  
  7. 延遲一段時間後重定向
  
  header(‘Refresh: 10; url=.example.org/’);
  
  echo 'You will be redirected in 10 seconds';
  
  8. 加載要下載的文件:
  
  readfile(‘example.zip’);
  
  9. 也可使用HTML語法來實現延遲
  
  header(‘Content-Transfer-Encoding: binary’);
  
  10. 禁止緩存當前文檔:
  
  header(‘Cache-Control: no-cache, no-store, max-age=0, must-revalidate’);
  
  header(‘Expires: Mon, 26 Jul 2010 05:00:00 GMT’);
  
  header(‘Pragma: no-cache’);
  
  11. 顯示登陸對話框,能夠用來進行HTTP認證
  
  header(‘HTTP/1.1 401 Unauthorized’);
  
  header(‘WWW-Authenticate: Basic realm=「Top Secret」’);
  
  echo 'Text that will be displayed if the user hits cancel or ';
  
  echo 'enters wrong login data';
  
  12. 設置內容類型:
  
  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緩存

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