PHP中Header使用的HTTP协议及常用…

<?PHP 
 
function https($num) { 
$http = array ( 

        100 => "HTTP/1.1 100 Continue", 

        101 => "HTTP/1.1 101 Switching Protocols", 

        200 => "HTTP/1.1 200 OK", 

        201 => "HTTP/1.1 201 Created", 

        202 => "HTTP/1.1 202 Accepted", 

        203 => "HTTP/1.1 203 Non-Authoritative Information", 

        204 => "HTTP/1.1 204 No Content", 

        205 => "HTTP/1.1 205 Reset Content", 

        206 => "HTTP/1.1 206 Partial Content", 

        300 => "HTTP/1.1 300 Multiple Choices", 

        301 => "HTTP/1.1 301 Moved Permanently", 

        302 => "HTTP/1.1 302 Found", 

        303 => "HTTP/1.1 303 See Other", 

        304 => "HTTP/1.1 304 Not Modified", 

        305 => "HTTP/1.1 305 Use Proxy", 

        307 => "HTTP/1.1 307 Temporary Redirect", 

        400 => "HTTP/1.1 400 Bad Request", 

        401 => "HTTP/1.1 401 Unauthorized", 

        402 => "HTTP/1.1 402 Payment Required", 

        403 => "HTTP/1.1 403 Forbidden", 

        404 => "HTTP/1.1 404 Not Found", 

        405 => "HTTP/1.1 405 Method Not Allowed", 

        406 => "HTTP/1.1 406 Not Acceptable", 

        407 => "HTTP/1.1 407 Proxy Authentication Required", 

        408 => "HTTP/1.1 408 Request Time-out", 

        409 => "HTTP/1.1 409 Conflict", 

        410 => "HTTP/1.1 410 Gone", 

        411 => "HTTP/1.1 411 Length Required", 

        412 => "HTTP/1.1 412 Precondition Failed", 

        413 => "HTTP/1.1 413 Request Entity Too Large", 

        414 => "HTTP/1.1 414 Request-URI Too Large", 

        415 => "HTTP/1.1 415 Unsupported Media Type", 

        416 => "HTTP/1.1 416 Requested range not satisfiable", 

        417 => "HTTP/1.1 417 Expectation Failed", 

        500 => "HTTP/1.1 500 Internal Server Error", 

        501 => "HTTP/1.1 501 Not Implemented", 

        502 => "HTTP/1.1 502 Bad Gateway", 

        503 => "HTTP/1.1 503 Service Unavailable", 

        504 => "HTTP/1.1 504 Gateway Time-out"  

        ); 
header($http[$num]); 

    };

//200 正常状态
    header('HTTP/1.1 200 OK');

// 301 永久重定向，记得在后面要加重定向地址 Location:$url
    header('HTTP/1.1 301 Moved Permanently');

// 重定向，其实就是302 暂时重定向
    header('Location: http://www.maiyoule.com/');

// 设置页面304 没有修改
    header('HTTP/1.1 304 Not Modified');

// 显示登录框，
    header('HTTP/1.1 401 Unauthorized');
header('WWW-Authenticate: Basic realm="登录信息"');
echo '显示的信息！';

// 403 禁止访问
    header('HTTP/1.1 403 Forbidden');

// 404 错误
    header('HTTP/1.1 404 Not Found');

// 500 服务器错误
    header('HTTP/1.1 500 Internal Server Error');

// 3秒后重定向指定地址(也就是刷新到新页面与 <meta http-equiv="refresh" content="10;http://www.maiyoule.com/ /> 相同)
    header('Refresh: 3; url=http://www.maiyoule.com/');
echo '10后跳转到http://www.maiyoule.com';

// 重写 X-Powered-By 值
    header('X-Powered-By: PHP/5.3.0');
header('X-Powered-By: Brain/0.6b');

//设置上下文语言
    header('Content-language: en');

// 设置页面最后修改时间（多用于防缓存）
    $time = time() - 60; //建议使用filetime函数来设置页面缓存时间
    header('Last-Modified: '.gmdate('D, d M Y H:i:s', $time).' GMT');

// 设置内容长度
    header('Content-Length: 39344');

// 设置头文件类型，可以用于流文件或者文件下载
    header('Content-Type: application/octet-stream');
header('Content-Disposition: attachment; filename="example.zip"'); 
header('Content-Transfer-Encoding: binary');
readfile('example.zip');//读取文件到客户端


    //禁用页面缓存
    header('Cache-Control: no-cache, no-store, max-age=0, must-reval（'Expires: Mon, 26 Jul 1997 05:00:00 GMT'); 
header('Pragma: no-cache');

//设置页面头信息
    header('Content-Type: text/html; charset=iso-8859-1');
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: application/x-shockwave-flash'); 
//.... 至于Content-Type 的值 可以去查查 w3c 的文档库，那里很丰富
?>