function DoGet($url)
{
    $url2 = parse_url($url);
    if(!isset($url2['path']))$url2['path']='';
    $url2["path"] = ($url2["path"] == "" ? "/" : $url2["path"]);
    $url2["port"] = (isset($url2["port"])?$url2["port"]:80);
    $host_ip = @gethostbyname($url2["host"]);
    $fsock_timeout =2;  //2 second
    if(!($fsock = fsockopen($host_ip, $url2["port"], $errno, $errstr, $fsock_timeout)))
    {
//        echo 'fsockopen fail';
        return false;
    }
    $request =  $url2["path"] .(isset($url2["query"]) ? "?".$url2["query"] : "");
    
    
    $in  = "GET " . $request . " HTTP/1.0\r\n";
    $in .= "Accept: */*\r\n";
    $in .= "User-Agent: Payb-Agent\r\n";
    $in .= "Host: " . $url2["host"] . "\r\n";
    $in .= "Connection: Close\r\n\r\n";
    
    
    stream_set_timeout( $fsock , $fsock_timeout ) ;    
    if(!@fwrite($fsock, $in, strlen($in))){
        //echo 'fwrite fail';
        fclose($fsock);
        return false;
    }
    $status = stream_get_meta_data( $fsock ) ;
    //发送数据超时
    if($status['timed_out'] )
    {
    //    echo "Write time out" ;
        fclose( $fsock );
        return false;
    }
    
    $out = null;
    while($buff = @fgets($fsock, 2048))
    {
        $out .= $buff;
        //只读取头部信息
        if(false!==strpos($out, "\r\n\r\n"))break;
    }
    
    $status = stream_get_meta_data( $fsock ) ;
    //读取数据超时
    if( $status['timed_out'] )
    {
//        echo "Read time out" ;
        fclose( $fsock );
        return false;
    }
    fclose($fsock);
    
    $pos = strpos($out, "\r\n\r\n");
    $head = substr($out, 0, $pos);    //http head
    return $head;
}


$rs= DoGet("http://www.ba05afasdfsiddf08usfa.com");
if(!$rs)echo 'fail';
else echo $rs;