//ok
header(‘HTTP/1.1200OK');
//设置一个404头:
header(‘HTTP/1.1404NotFound');
//设置地址被永久的重定向
header(‘HTTP/1.1301MovedPermanently');
//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‘Youwillberedirectedin10seconds';
//当然，也可以使用html语法实现
//<metahttp-equiv=”refresh”content=”10;http://www.example.org//>
//overrideX-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
$time=time()–60;//orfilemtime($fn),etc
header(‘Last-Modified:‘.gmdate(‘D,dMYH:i:s',$time).'GMT');
//告诉浏览器文档内容没有发生改变
header(‘HTTP/1.1304NotModified');
//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');
//loadthefiletosend:
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,26Jul199705:00:00GMT');//Dateinthepast
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/1.1401Unauthorized');
header(‘WWW-Authenticate:Basicrealm=”TopSecret”‘);
print‘Textthatwillbedisplayediftheuserhitscancelor‘;
print‘enterswronglogindata';
