eventespresso / event-espresso-core

        ];

        // Get the IDs of event datetimes.

        $datetimeIds = $eem_datetime->get_col([['EVT_ID' => $eventId]]);

        foreach ($datetimeIds as $datetimeId) {

            $GID = self::convertToGlobalId($eem_datetime->item_name(), $datetimeId);

            foreach ($related_models as $key => $model) {

                // Get the IDs of related entities for the datetime ID.

                $Ids = $model->get_col([['Datetime.DTT_ID' => $datetimeId]]);

                if (! empty($Ids)) {

                    $data['datetimes'][ $GID ][ $key ] = self::convertToGlobalId($model->item_name(), $Ids);

                }

            }

        }

        // PROCESS TICKETS

        $related_models = [

        ];

        // Get the IDs of all datetime tickets.

        $ticketIds = $eem_ticket->get_col([['Datetime.DTT_ID' => ['in', $datetimeIds]]]);

        foreach ($ticketIds as $ticketId) {

            $GID = self::convertToGlobalId($eem_ticket->item_name(), $ticketId);

            foreach ($related_models as $key => $model) {

                // Get the IDs of related entities for the ticket ID.

                $Ids = $model->get_col([['Ticket.TKT_ID' => $ticketId]]);

                if (! empty($Ids)) {

                    $data['tickets'][ $GID ][ $key ] = self::convertToGlobalId($model->item_name(), $Ids);

                }

            }

        }

        // PROCESS PRICES

        $related_models = [

        ];

        // Get the IDs of all ticket prices.

        $priceIds = $eem_price->get_col([['Ticket.TKT_ID' => ['in', $ticketIds]]]);

        foreach ($priceIds as $priceId) {

            $GID = self::convertToGlobalId($eem_price->item_name(), $priceId);

            foreach ($related_models as $key => $model) {

                // Get the IDs of related entities for the price ID.

                $Ids = $model->get_col([['Price.PRC_ID' => $priceId]]);

                if (! empty($Ids)) {

                    $data['prices'][ $GID ][ $key ] = self::convertToGlobalId($model->item_name(), $Ids);

                }

            }

        }

        return $data;

    }