$_SERVER变量结构

URL: http://127.0.0.1/tb/2.php?id=5&cid=66

 Array
(
    [HTTP_ACCEPT] => image/jpeg, application/x-ms-application, image/gif, application/xaml+xml, image/pjpeg, application/x-ms-xbap, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, */*
    [HTTP_ACCEPT_LANGUAGE] => zh-CN
    [HTTP_USER_AGENT] => Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/4.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; Tablet PC 2.0)
    [HTTP_ACCEPT_ENCODING] => gzip, deflate
    [HTTP_HOST] => 127.0.0.1
    [HTTP_CONNECTION] => Keep-Alive
    [PATH] => C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Program Files\ATI Technologies\ATI.ACE\Core-Static;
    [SystemRoot] => C:\Windows
    [COMSPEC] => C:\Windows\system32\cmd.exe
    [PATHEXT] => .COM;.EXE;.BAT;.CMD;.VBS;.VBE;.JS;.JSE;.WSF;.WSH;.MSC
    [WINDIR] => C:\Windows
    [SERVER_SIGNATURE] => Apache/2.2.8 (Win32) mod_ssl/2.2.8 OpenSSL/0.9.8g PHP/5.2.6 Server at 127.0.0.1 Port 80
    [SERVER_SOFTWARE] => Apache/2.2.8 (Win32) mod_ssl/2.2.8 OpenSSL/0.9.8g PHP/5.2.6
    [SERVER_NAME] => 127.0.0.1
    [SERVER_ADDR] => 127.0.0.1
    [SERVER_PORT] => 80
    [REMOTE_ADDR] => 127.0.0.1
    [DOCUMENT_ROOT] => D:/gxlweb/AppServ/www
    [SERVER_ADMIN] => [url=mailto:gxl@qq.com]gxl@qq.com[/url]
    [SCRIPT_FILENAME] => D:/gxlweb/AppServ/www/tb/2.php
    [REMOTE_PORT] => 54373
    [GATEWAY_INTERFACE] => CGI/1.1
    [SERVER_PROTOCOL] => HTTP/1.1
    [REQUEST_METHOD] => GET
    [QUERY_STRING] => id=5&cid=66
    [REQUEST_URI] => /tb/2.php?id=5&cid=66
    [SCRIPT_NAME] => /tb/2.php
    [PHP_SELF] => /tb/2.php
    [REQUEST_TIME] => 1321355548
    [argv] => Array
        (
            [0] => id=5&cid=66
        )
    [argc] => 1
)