<?php
include('Net/SSH2.php');
define('NET_SSH2_LOGGING', NET_SSH2_LOG_COMPLEX);
$host = "XXXX";
$username = "XXXX";
$password = "XXXX";
$ssh = new Net_SSH2($host);
if (!$ssh->login($username, $password)) {
    exit('Login Failed');
}
echo $ssh->exec('nproc');
echo $ssh->exec('nproc');
echo $ssh->getLog();
?>