API::checkSessionToken PHP Метод

    protected function checkSessionToken()
    {
        if (!isset($this->parameters['session_token']) || empty($this->parameters['session_token'])) {
            return $this->messageSessionTokenMissing();
        }
        $current = session_id();
        if ($this->parameters['session_token'] != $current && !empty($current) || !isset($_SESSION['glpiID'])) {
            return $this->messageSessionError();
        }
    }