eventespresso / event-espresso-core

				FALSE

			);

			// did we gets the goods ?

			if ( $reg_step_obj instanceof EE_SPCO_Reg_Step ) {

				// set reg step order based on config

				$reg_step_obj->set_order( $order );

				// add instantiated reg step object to the master reg steps array

				$this->checkout->add_reg_step( $reg_step_obj );

			} else {

				EE_Error::add_error(

					__( 'The current step could not be set.', 'event_espresso' ),

					__FILE__, __FUNCTION__, __LINE__

				);

				return false;

			}

		// because the reg_url_link is present in the request, this is a return visit to SPCO, so we'll get the transaction data from the db

		$transaction = $TXN_model->get_transaction_from_reg_url_link( $this->checkout->reg_url_link );

		// verify transaction

		if ( $transaction instanceof EE_Transaction ) {

			// and get the cart that was used for that transaction

			$this->checkout->cart = $this->_get_cart_for_transaction( $transaction );

			return $transaction;

		} else {

			EE_Error::add_error( __( 'Your Registration and Transaction information could not be retrieved from the db.', 'event_espresso' ), __FILE__, __FUNCTION__, __LINE__);

			return NULL;

		}

	}