//定义编码
header( 'Content-Type:text/html;charset=utf-8 ');
 
//Atom
header('Content-type: application/atom+xml');
 
//CSS
header('Content-type: text/css');
 
//Javascript
header('Content-type: text/javascript');
 
//JPEG Image
header('Content-type: image/jpeg');
 
//JSON
header('Content-type: application/json');
 
//PDF
header('Content-type: application/pdf');
 
//RSS
header('Content-Type: application/rss+xml; charset=ISO-8859-1');
 
//Text (Plain)
header('Content-type: text/plain');
 
//XML
header('Content-type: text/xml');
 
// ok
header('HTTP/1.1 200 OK');
 
//设置一个404头:
header('HTTP/1.1 404 Not Found');
 
//设置地址被永久的重定向
header('HTTP/1.1 301 Moved Permanently');
 
//转到一个新地址
header('Location: http://www.example.org/');
 
//文件延迟转向:
header('Refresh: 10; url=http://www.example.org/');
print 'You will be redirected in 10 seconds';
 
//当然，也可以使用html语法实现
// 缓存
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 past
header('Pragma: no-cache');
 
//设置内容类型:
header('Content-Type: text/html; charset=iso-8859-1');
header('Content-Type: text/html; charset=utf-8');
header('Content-Type: text/plain'); //纯文本格式
header('Content-Type: image/jpeg'); //JPG***
header('Content-Type: application/zip'); // ZIP文件
header('Content-Type: application/pdf'); // PDF文件
header('Content-Type: audio/mpeg'); // 音频文件
header('Content-Type: application/x-shockw**e-flash'); //Flash动画
 
//显示登陆对话框
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';