print_r(get_headers('http://forum.csdn.net/PointForum/Manage/TopicManageView.aspx?forumID=94985a29-c8e9-4552-9be4-b01061443744&topicID=0758c3a4-5c85-4434-8a26-0d2c9ccc4c45&date=2012-09-06+21%3a18%3a02&v=-1', 1));
Array
(
    [0] => HTTP/1.1 200 OK
    [Server] => nginx/0.7.68
    [Date] => Thu, 06 Sep 2012 13:29:26 GMT
    [Content-Type] => text/html; charset=utf-8
    [Connection] => close
    [Vary] => Accept-Encoding
    [ETag] => ""
    [X-UA-Compatible] => IE=EmulateIE7
    [X-Powered-By] => ASP.NET
    [Cache-Control] => private
    [Content-Length] => 4410
)