Instagram\API\Request\UnlikeMediaRequest::execute PHP Method

    public function execute()
    {
        return parent::execute();
    }

 /**
  *
  * Unlike Media
  *
  * @param string|API\Response\Model\FeedItem $mediaId FeedItem or FeedItem Id to Unlike
  * @return API\Response\UnlikeMediaResponse
  * @throws Exception
  */
 public function unlikeMedia($mediaId)
 {
     if (!$this->isLoggedIn()) {
         throw new InstagramException("You must be logged in to call likeMedia().");
     }
     if ($mediaId instanceof FeedItem) {
         $mediaId = $mediaId->getPk();
     }
     $request = new UnlikeMediaRequest($this, $mediaId);
     $response = $request->execute();
     if (!$response->isOk()) {
         throw new InstagramException(sprintf("Failed to unlikeMedia: [%s] %s", $response->getStatus(), $response->getMessage()));
     }
     return $response;
 }