PHP Code:
if(!empty($config['secret_pin']) && (empty($mybb->input['pin']) || $mybb->input['pin'] != $config['secret_pin']))
PHP Code:
if(!empty($config['secret_pin']) && (empty($mybb->input['pin']) || md5($mybb->input['pin']) != $config['secret_pin']))
PHP Code:
$config['secret_pin'] = 'secret pin';