如下所示：
复制代码 代码如下:
//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 
// <meta http-equiv="refresh" content="10;http://www.example.org/ />  // override X-Powered-By: PHP: 
header("X-Powered-By: PHP/4.4.0"); 
header("X-Powered-By: Brain/0.6b");  //文档语言 
header("Content-language: en");  //告诉浏览器最后一次修改时间 
$time = time() - 60; // or filemtime($fn), etc 
header("Last-Modified: ".gmdate("D, d M Y H:i:s", $time)." GMT");  //告诉浏览器文档内容没有发生改变 
header("HTTP/1.1 304 Not Modified");  //设置内容长度 
header("Content-Length: 1234");  //设置为一个下载类型 
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");  // 对当前文档禁用缓存 
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";