()一个php telnet的有关问题

(在线等)求助一个php telnet的问题
前几天看了网上一个牛人写的php telnet的源码

<br><?php <br />/**<br>* name:薛如飞<br>* qq:6706250<br>* e-mail:[email protected]<br>* blog:<a>http://hi.baidu.com/</a>飞云盖天<br>* date:08.08.28<br>**/<br>if (isset($_POST['host']) and isset($_POST['user']))<br>  {<br>    $host= $_POST['host'];<br>    $user= $_POST['user'];<br>    $pass= $_POST['pass'];<br>    $cmd= stripslashes($_POST['cmd']);<br>require_once "phptelnet.php";<br>$telnet = new PHPTelnet();<br>$telnet->show_connect_error=0;<br>$result = $telnet->Connect($host,$user,$pass);<br>switch ($result)<br>   {<br>  case 0:<br>  $telnet->DoCommand($cmd, $result);<br>  echo $result;<br>  $telnet->Disconnect();<br>  break;<br>  case 1:<br>  echo '[PHP Telnet] Connect failed: Unable to open network connection';<br>  break;<br>  case 2:<br>  echo '[PHP Telnet] Connect failed: Unknown host';<br>  break;<br>  case 3:<br>  echo '[PHP Telnet] Connect failed: Login failed';<br>  break;<br>  case 4:<br>  echo '[PHP Telnet] Connect failed: Your PHP version does not support PHP Telnet';<br>  break;<br>   }<br>  }<br>else<br>  {<br>?><br><meta><br>

   

   

   

Telnet

   
  
    
    
  
  
    
    
  
  
    
    
  
  
    
    
  
  
    
    
  
   

host:
user:
pass:
cmd:

   

 

   }
?>
 
/*
PHPTelnet 1.1