Untitled

<?php
error_reporting(E_ALL ^ E_NOTICE);

if($_POST['submit'])
{
    $error = (empty($_POST['ip'])) ? 'You must enter a IP/Host<br />' : '';
    $error = (empty($_POST['port'])) ? 'You must enter a Port<br />' : '';
    $error = (empty($_POST['user'])) ? 'You must enter a Username<br />' : '';
    $error = (empty($_POST['pass'])) ? 'You must enter a Password<br />' : '';

    if(!$error)
    {
        $fp = fsockopen('udp://'.$_POST['ip'], $_POST['port'], $errno, $errstr);
        if (!$fp)
            echo '<span style="color:red;">ERROR: '.$errno.' - '.$errstr.'<br />\n';
        else
        {
            fwrite($fp, $_POST['command'].':'.$_POST['user'].':'.$_POST['pass']);
            stream_set_timeout($fp, 5);
            echo '<span style="color:green;">'.fread($fp, 128).'</span>';
            fclose($fp);
        }
    }
}
echo '<html><body>
'.((!empty($error)) ? '<div style="color:red;">'.$error.'</div><br />' : '').'
<form action="index.php" method="post">
IP/Host: <input type="text" name="ip" value="'.$_POST['ip'].'" /> <br/> Port: <input type="text" name="port" value="'.$_POST['port'].'" /><br />
Username: <input type="text" name="user" value="'.$_POST['user'].'" /> <br/>Pass: <input type="password" name="pass" /><br />
<select name="command">
<option value="version">Version</option>
<option value="enable">Enable Restarts</option>
<option value="disable">Disable Restarts</option>
<option value="restart">Restart</option>
<option value="forcerestart">Force Restart</option>
<option value="forcestop">Force Stop</option>
</select>
<input type="submit" value="submit" name="submit" />
</form></body></html>';
?>