LdapTools\Connection\LdapConnection::getIdleTime PHP Method

    public function getIdleTime()
    {
        if (is_null($this->lastActivity)) {
            $idleTime = 0;
        } else {
            $idleTime = (new \DateTime())->getTimestamp() - $this->lastActivity->getTimestamp();
        }
        return $idleTime;
    }