How to connect to Localhost via phpseclib?

Question

PHP

Good afternoon
I am writing a site in PHP, I needed to connect from PHP to SSH and execute the command, but the connection is not performed:

include "phpseclib/Net/SSH2.php";
$ssh = new SSH2('localhost', 22);

No error, just 500 internal server error in the request
What can I do?

(Using phpseclib 3 library )

Answer 1

It is necessary to read the PHP log - it will be written there because of what the error occurs. I can assume that there is no module for SSH.