/**
* Use exec to ping a host.
*
* Ping command is specific to Windows host.
*
* @param string $host Host name or IP address to ping
* @return bool True if ping succeeds, false if not
*/
protected static function execSend($host)
{
$command = escapeshellcmd('ping -n 1 -w 1 ' . $host);
exec($command, $result, $returnCode);
return arr::search($result, 'received = 1') ? true : false;
}
