/*

*@authorxujiajay

*@date2010-10-7

*@function可以ping端口的php函数

*

*/

error_reporting(E_ERROR);

header("content-Type:text/html;charset=utf-8");

set_time_limit(120);

$host=isset($_POST['url'])?chop(str_replace('http://','',$_POST['url'])):'www.baidu.com';

$port=isset($_POST['duankou'])?chop($_POST['duankou']):'80';

$num=10;

functionmicrotime_float()

{

list($usec,$sec)=explode("",microtime());

return((float)$usec+(float)$sec);

}

functiongetsoft($host,$port)

{

$fp=@fsockopen($host,$port,&$errno,&$errstr,3);

if(!$fp)return'unknown';

$get="GET/HTTP/1.1\r\nHost:".$host."\r\nConnection:Close\r\n\r\n";

@fputs($fp,$get);

$data='';

while($fp&&!feof($fp))

$data.=fread($fp,1024);

@fclose($fp);

$array=explode("\n",$data);

$k=2;

for($i=0;$i<20;$i++)

{

if(stristr($array[$i],'Server')){$k=$i;break;}

}

if(!stristr($array[$k],'Server'))return'unknown';

elsereturnstr_replace('Server','服务器软件',$array[$k]);

}

functionping($host,$port)

{

$time_start=microtime_float();

$ip=gethostbyname($host);

$fp=@fsockopen($host,$port,&$errno,&$errstr,1);

if(!$fp)return'Requesttimedout.'."\r\n";

$get="GET/HTTP/1.1\r\nHost:".$host."\r\nConnection:Close\r\n\r\n";

@fputs($fp,$get);

@fclose($fp);

$time_end=microtime_float();

$time=$time_end-$time_start;

$time=ceil($time*1000);

return'Replyfrom'.$ip.':time='.$time.'ms';

}

if(isset($_POST['url'])&&isset($_POST['duankou']))

{

echo'<fontcolor="#FF0000">'.getsoft($host,$port).'</font>';

echo'Pinging'.$host.'['.gethostbyname($host).']withPort:'.$port.'ofdata:'."\r\n";

ob_flush();

flush();

for($i=0;$i<$num;$i++)

{

echoping($host,$port);

ob_flush();

flush();

sleep(1);

}

}

?>

<formmethod="POST">

域名/IP：<inputtype="text"name="url"value="<?phpecho$host;?>"size="50">

端口：<inputtype="text"name="duankou"value="<?phpecho$port;?>"size="10">

<inputtype="submit"value="ping">

</form>