###内容类型###
header('Content-Type: text/html; charset=utf-8');
header('Content-Type: text/plain');
header('Content-Type: image/jpeg');
header('Content-Type: application/zip');
header('Content-Type: application/pdf');
header('Content-Type: audio/mpeg');
header('Content-type: text/css');
header('Content-type: text/javascript');
header('Content-type: application/json');
header('Content-type: application/pdf');
header('Content-type: text/xml');
header('Content-Type: application/x-shockw**e-flash');
###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');
###显示一个需要验证的登陆对话框###
header('HTTP/1.1 401 Unauthorized');
header('WWW-Authenticate: Basic realm=
"Top Secret"
');
###声明一个下载的文件###
header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment; filename=
"ITblog.zip"
');
header('Content-Transfer-Encoding: binary');
readfile('test.zip');
###声明一个需要下载的xls文件###
header('Content-Disposition: attachment; filename=ithhc.xlsx');
header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
header('Content-Length: '.
filesize
('./test.xls'));
header('Content-Transfer-Encoding: binary');
header('Cache-Control: must-revalidate');
header('Pragma:
public
');
readfile('./test.xls');
header('HTTP/1.1 200 OK');
header('HTTP/1.1 404 Not Found');
header('HTTP/1.1 301 Moved Permanently');
header('Location: http:
header('Refresh: 10; url=http:
header('X-Powered-By: PHP/6.0.0');
header('Content-language: en');
header('Content-Length: 1234');
header('Last-Modified: '.
gmdate
('D, d M Y H:i:s',
$time
).' GMT');
header('HTTP/1.1 304 Not Modified');