make ping with PHP(핑테스트)

 

 

<?php
$ip = $_SERVER['127.0.0.1'];
exec("ping -n 4 $ip 2>&1", $output, $retval);
if ($retval != 0) { 
echo "no!"; 
} 
else 
{ 
echo "yes!"; }
?>

 

 

 

 

<?php
  function ping($host) {
    exec(sprintf('ping -c 1 -W 5 %s', escapeshellarg($host)), $res, $rval);
    return $rval === 0;
  }

  $hosts_to_ping = array('10.140.206.123', '127.0.0.1');
?>

<ul>
<?php foreach ($hosts_to_ping as $host): ?>
  <li>
    <?php echo $host; ?>
    <?php $up = ping($host); ?>
    (<img src="<?php echo $up ? 'on' : 'off'; ?>"
          alt="<?php echo $up ? 'up' : 'down'; ?>">)
  </li>
<?php endforeach; ?>
</ul>