php header函数使用实例代码

2. /*** Function: PHP header() examples (PHP)
3. ** Desc: Some examples on how to use the header() function of PHPYou find a detailed tutorial at expertsrt.com (English) or at ffm.junetz.de (German).These is also a good help about caching at web-caching.com.
4. ** Example: see below.
   
   Tip: You can use these sites to check your headers: web-sniffer.net, delorie.com or www.forret.com.
5. ** Author: Jonas John
6. */
8. // fix 404 pages:
9. header(HTTP/1.1 200 OK);
11. // set 404 header:
12. header(HTTP/1.1 404 Not Found);
14. // set Moved Permanently header (good for redrictions)
15. // use with location header
16. header(HTTP/1.1 301 Moved Permanently);
18. // redirect to a new location:
19. header(Location: http://www.example.org/);
21. // redrict with delay:
22. header(Refresh: 10; url=http://www.example.org/);
23. print You will be redirected in 10 seconds;
25. // you could also use the HTML syntax://
26. header(Content-Transfer-Encoding: binary);
28. // load the file to send:readfile(example.zip);
29. // Disable caching of the current document:
30. header(Cache-Control: no-cache, no-store, max-age=0, must-revalidate);
31. header(Expires: Mon, 26 Jul 1997 05:00:00 GMT);
32. // Date in the pastheader(Pragma: no-cache);
33. // set content type:
34. header(Content-Type: text/html; charset=iso-8859-1);
35. header(Content-Type: text/html; charset=utf-8);
36. header(Content-Type: text/plain);
38. // plain text file
39. header(Content-Type: image/jpeg);
41. // JPG picture
42. header(Content-Type: application/zip);
44. // ZIP file
45. header(Content-Type: application/pdf);
47. // PDF file
48. header(Content-Type: audio/mpeg);
50. // Audio MPEG (MP3,…) file
51. header(Content-Type: application/x-shockwave-flash);
53. // Flash animation// show sign in box
54. header(HTTP/1.1 401 Unauthorized);
55. header(WWW-Authenticate: Basic realm="Top Secret");
56. print Text that will be displayed if the user hits cancel or ;
57. print enters wrong login data;
58. ?>