The phpheader function uses the instance code.

& Lt ;? Php/*** Function: PHPheader () examples (PHP) ** Desc: Someexamplesonhowtousetheheader () functionofPHPYoufindadetailedtutorialatexpertsrt.com (English) oratffm. junetz

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, html "> 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 cocould 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. ?>