ssh2_auth_none
(PECL ssh2 >= 0.9.0)
ssh2_auth_none — Authenticate as "none"
Description
ssh2_auth_none ( resource $session , string $username ) : mixed
Attempt "none" authentication which usually will (and should) fail. As part of the failure, this function will return an array of accepted authentication methods.
Parameters
-
session -
An SSH connection link identifier, obtained from a call to ssh2_connect().
-
username -
Remote user name.
Return Values
Returns true if the server does accept "none" as an authentication method, or an array of accepted authentication methods on failure.
Examples
Example #1 Retrieving a list of authentication methods
<?php
$connection = ssh2_connect('shell.example.com', 22);
$auth_methods = ssh2_auth_none($connection, 'user');
if (in_array('password', $auth_methods)) {
echo "Server supports password based authentication\n";
}
?>
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https://www.php.net/manual/en/function.ssh2-auth-none.php