Ping port function example implemented by php, phpping port example_PHP tutorial

Ping port function example implemented by php, phpping port example

The example in this article describes the ping port function implemented in PHP. Share it with everyone for your reference.

The specific implementation code is as follows:

Copy code The code is as follows:

/*
 * @author     xujiajay
 * @date       2010-10-7
 * @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';
    $num  = 10;
    function microtime_float()
    {
            list($usec, $sec) = explode(" ", microtime());
            return ((float)$usec + (float)$sec);
    }
    function getsoft($host,$port)
    {
            $fp = @fsockopen($host,$port,&$errno,&$errstr,3);
            if(!$fp) return 'unknown';
            $get = "GET / HTTP/1.1rnHost:".$host."rnConnection: Closernrn";
            @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[$k],'Server')) return 'unknown';
            else return str_replace('Server','服务器软件',$array[$k]);
    }
    function ping($host,$port)
    {
            $time_start = microtime_float();
            $ip = gethostbyname($host);
            $fp = @fsockopen($host,$port,&$errno,&$errstr,1);
            if(!$fp) return 'Request timed out.'."rn";
            $get = "GET / HTTP/1.1rnHost:".$host."rnConnection: Closernrn";
            @fputs($fp,$get);
            @fclose($fp);
            $time_end = microtime_float();
            $time = $time_end - $time_start;
            $time = ceil($time * 1000);
            return 'Reply from '.$ip.': time='.$time.'ms';
    }
    if(isset($_POST['url']) && isset($_POST['duankou']))
    {
            echo ''.getsoft($host,$port).'';
            echo 'Pinging '.$host.' ['.gethostbyname($host).'] with Port:'.$port.' of data:'."rn";
            ob_flush();
            flush();
            for($i = 0;$i < $num;$i++)
            {
echo ping($host,$port);
                       ob_flush();
flush();
sleep(1);
            }
}
?>

Domain name/IP:
Port:

I hope this article will be helpful to everyone’s PHP programming design.

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