//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\’;  

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