?php // 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: . $_server['http_referer']); 跳转到上一个页面 hea
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图片
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-shockwave-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';
?>