Doctrine\Common\Collections\ArrayCollection::filter PHP Method

    public function filter(Closure $p)
    {
        return $this->createFrom(array_filter($this->elements, $p));
    }

 /**
  * @see Command
  */
 protected function execute(InputInterface $input, OutputInterface $output)
 {
     /** @var \Doctrine\ORM\EntityManager $em */
     $em = $this->getContainer()->get('doctrine.orm.default_entity_manager');
     $campaignRepo = $em->getRepository('VifeedCampaignBundle:Campaign');
     $campaigns = new ArrayCollection($campaignRepo->getActiveCampaigns());
     $hashes = [];
     foreach ($campaigns as $campaign) {
         /** @var Campaign $campaign */
         $hashes[] = $campaign->getHash();
     }
     $hashes = array_unique($hashes);
     $client = new \Google_Client();
     $client->setDeveloperKey($this->getContainer()->getParameter('google.api.key'));
     $youtube = new \Google_Service_YouTube($client);
     /* Опытным путём выяснилось, что ютуб принимает не больше 50 хешей за раз */
     $hash = 'TjvivnmWcn4';
     $request = $youtube->videos->listVideos('status', ['id' => $hash]);
     foreach ($request as $video) {
         /** @var \Google_Service_YouTube_Video $video */
         /** @var \Google_Service_YouTube_VideoStatistics $stats */
         $stats = $video->getStatistics();
         $hash = $video->getId();
         /* не исключается ситуация, что может быть несколько кампаний с одинаковым hash */
         $filteredCampaigns = $campaigns->filter(function (Campaign $campaign) use($hash) {
             return $campaign->getHash() == $hash;
         });
         foreach ($filteredCampaigns as $campaign) {
             $campaign->setSocialData('youtubeViewCount', $stats->getViewCount())->setSocialData('youtubeCommentCount', $stats->getCommentCount())->setSocialData('youtubeFavoriteCount', $stats->getFavoriteCount())->setSocialData('youtubeLikeCount', $stats->getLikeCount())->setSocialData('youtubeDislikeCount', $stats->getDislikeCount());
             $em->persist($campaign);
         }
     }
     $em->flush();
 }