WTF?

            /**
             * Step 4 Create an AdSet
             * @var $adset
             * @link https://developers.facebook.com/docs/marketing-api/reference/ad-campaign
             */
            try {

                $adset = new Object\AdSet(null, $this->current_facebook_ads_account);
                //$fields = $adset::getFields();

                $available_adsets = $campaign->getAdSets(array(Object\Fields\AdSetFields::NAME,Object\Fields\AdSetFields::ID));

                $current_adset = null;

                if (!empty($available_adsets)) {
                    foreach ($available_adsets as $ad_set) { // loops through adsets
                        if ($adset->name == $item['title']) { // If adset name matches the name given to new campaign, created campaign is then used
                            $current_adset = $ad_set;
                        }
                    }
                }

                if (!is_null($current_adset)) {
                    $adset = $current_adset;
                    /*$adset->read(array(
                        Object\Fields\AdSetFields::PROMOTED_OBJECT,
                        Object\Fields\AdSetFields::NAME
                    ));
                    echo $adset->name."<br>";
                    echo $adset->promoted_object."<br>";*/
                } else {

                    $start_time = (new \DateTime("+1 week"))->format(\DateTime::ISO8601);
                    $end_time = (new \DateTime("+2 week"))->format(\DateTime::ISO8601);


                    $adset->setData(array(
                        Object\Fields\AdSetFields::NAME => $item['title'],
                        Object\Fields\AdSetFields::OPTIMIZATION_GOAL => Object\Values\AdSetOptimizationGoalValues::LINK_CLICKS,
                        Object\Fields\AdSetFields::BILLING_EVENT => Object\Values\AdSetBillingEventValues::LINK_CLICKS,
                        Object\Fields\AdSetFields::BID_AMOUNT => 100,
                        Object\Fields\AdSetFields::DAILY_BUDGET => 500,
                        Object\Fields\AdSetFields::CAMPAIGN_ID => $campaign->id,
                        Object\Fields\AdSetFields::TARGETING => $targeting,
                        Object\Fields\AdSetFields::START_TIME => $start_time,
                        Object\Fields\AdSetFields::END_TIME => $end_time,
                        Object\Fields\AdSetFields::PROMOTED_OBJECT => (object) array(
                            Object\Fields\AdPromotedObjectFields::PAGE_ID => '178698438995498',
                        )
                    ));
                    $adset->create(array(
                        Object\AdSet::STATUS_PARAM_NAME => Object\AdSet::STATUS_PAUSED,
                    ));
                }
                echo 'Adset ID: ' . $adset->id . " <br>\n";
            } catch (\Exception $e) {
                return $this->AdvertisingRenderErrorMessage($e);
            }