


response.addheader PHP header function analysis detailed explanation
Jul 29, 2016 am 08:46 AMIn the php language, the header() function is very useful, especially when using ajax, it will help you solve some unexpected problems. Below is some detailed explanation of header. Hope it helps phper
Copy the code The code is as follows:
<?php
// fix 404 pages:
header('HTTP/1.1 200 OK');
// set 404 header:
header('HTTP/1.1 404 Not Found');
// set Moved Permanently header (good for redrictions)
// use with location header
header('HTTP/1.1 301 Moved Permanently');
// redirect to a new location:
header('Location: http://www.example.org/');
// redrict with delay:
header('Refresh: 10; url=http://www.example.org/' );
print 'You will be redirected in 10 seconds';
// you could also use the HTML syntax:// <meta http-equiv="refresh" c//www.example.org/ />
// override X-Powered-By: PHP:
header('X-Powered-By: PHP/4.4.0');
header('X-Powered-By: Brain/0.6b');
// content language (en = English)
header('Content-language: en');
// last modified (good for caching)
$time = time() – 60; // or filemtime($fn), etc
header ('Last-Modified: '.gmdate('D, d M Y H:i:s', $time).' GMT');
// header for telling the browser that the content
// did not get changed
header ('HTTP/1.1 304 Not Modified');
// set content length (good for caching):
header('Content-Length: 1234');
// Headers for an download:
header('Content-Type : application/octet-stream');
header('Content-Disposition: attachment; filename="example.zip"');
header('Content-Transfer-Encoding: binary');
// load the file to send:readfile('example.zip');
// Disable caching of the current document:
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 pastheader('Pragma: no-cache');
// set content type:
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// show sign in box
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';
?>
The above introduces the detailed analysis of response.addheader PHP header function, including the content of response.addheader. I hope it will be helpful to friends who are interested in PHP tutorials.

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