PHP: Xenforo Session

gistfile1.txt

<?php
 
class Session {
   
    #Xenforo if logged in function
    function isOnline(){
    $session = new XenForo_Session();
        if (!$session->sessionExists())
            {//when user info and sessions are needed
                XenForo_Session::startPublicSession();
 
                $visitor = XenForo_Visitor::getInstance();
 
                if ($visitor->getUserId())
                {
                    $userModel = XenForo_Model::create('XenForo_Model_User');
                    $userinfo = $userModel->getFullUserById($visitor->getUserId());
                        return $userinfo;
                }
            }else{
            return false;
            }
    }
   
    function login($data)
    {
        $loginModel = XenForo_Model::create('XenForo_Model_Login');
        $userModel = XenForo_Model::create('XenForo_Model_User');
        $error = "";
 
        $userid = $userModel->validateAuthentication($data['login'], $data['password'], $error);
        if (!$userid)
        {
            $loginModel->logLoginAttempt($data['login']);
            return $error;
        }
 
        $loginModel->clearLoginAttempts($data['login']);
 
        if ($data['remember'])
        {
            $userModel->setUserRememberCookie($userid);
        }
 
        XenForo_Model_Ip::log($userid, 'user', $userid, 'login');
 
        $userModel->deleteSessionActivity(0, $this->request->getClientIp(false));
 
        $session = XenForo_Application::get('session');
 
        $session->changeUserId($userid);
        XenForo_Visitor::setup($userid);
 
        return;
    }
   
    function logout()
        {
            // remove an admin session if we're logged in as the same person
            if (XenForo_Visitor::getInstance()->get('is_admin'))
            {
                $adminSession = new XenForo_Session(array('admin' => true));
                $adminSession->start();
                if ($adminSession->get('user_id') == XenForo_Visitor::getUserId())
                {
                    $adminSession->delete();
                }
            }
           
            XenForo_Model::create('XenForo_Model_Session')->processLastActivityUpdateForLogOut(XenForo_Visitor::getUserId());
 
            XenForo_Application::get('session')->delete();
            XenForo_Helper_Cookie::deleteAllCookies(
                array('session'),
                array('user' => array('httpOnly' => false))
            );
 
            XenForo_Visitor::setup(0);
 
            return true;
        }
}
 
$session = new Session;
?>