Knp\Bundle\KnpBundlesBundle\Entity\Activity::isEqualTo PHP Method

    public function isEqualTo(Activity $activity)
    {
        if ($activity->getBundle()->getId() !== $this->bundle->getId()) {
            return false;
        }
        // Compare developers only if actual activity has one
        if (null !== $this->developer && $activity->getDeveloper()->getId() !== $this->developer->getId()) {
            return false;
        }
        if ($activity->getType() !== $this->type) {
            return false;
        }
        if ($activity->getState() !== $this->state) {
            return false;
        }
        // Compare dates only when state of activity allows it
        if (self::STATE_FIXED !== $this->state && $activity->getCreatedAt()->getTimestamp() !== $this->createdAt->getTimestamp()) {
            return false;
        }
        return true;
    }