eventespresso / event-espresso-core

		// get current Event status

		$old_status = $this->status();

		// if status has changed

		if ( $old_status != $new_status ) {

			// TO sold_out

			if ( $new_status == EEM_Event::sold_out ) {

				// save the previous event status so that we can revert if the event is no longer sold out

				$this->add_post_meta( '_previous_event_status', $old_status );

				do_action( 'AHEE__EE_Event__set_status__to_sold_out', $this, $old_status, $new_status );

				// OR FROM  sold_out

			} else if ( $old_status == EEM_Event::sold_out ) {

				$this->delete_post_meta( '_previous_event_status' );

				do_action( 'AHEE__EE_Event__set_status__from_sold_out', $this, $old_status, $new_status );

			}

			// update status

			parent::set( 'status', $new_status, $use_default );

			do_action( 'AHEE__EE_Event__set_status__after_update', $this );

			return true;

		} else {

			// even though the old value matches the new value, it's still good to

			// allow the parent set method to have a say

			parent::set( 'status', $new_status, $use_default );

			return true;

		}

	}

		// get current REG_Status

		$old_STS_ID = $this->status_ID();

		// if status has changed

		if ( $old_STS_ID != $new_STS_ID  ) {

			// TO approved

			if ( $new_STS_ID == EEM_Registration::status_id_approved ) {

				// reserve a space by incrementing ticket and datetime sold values

				$this->_reserve_registration_space();

				do_action( 'AHEE__EE_Registration__set_status__to_approved', $this, $old_STS_ID, $new_STS_ID );

			// OR FROM  approved

			} else if ( $old_STS_ID == EEM_Registration::status_id_approved ) {

				// release a space by decrementing ticket and datetime sold values

				$this->_release_registration_space();

				do_action( 'AHEE__EE_Registration__set_status__from_approved', $this, $old_STS_ID, $new_STS_ID );

			}

			// update status

			parent::set( 'STS_ID', $new_STS_ID, $use_default );

			do_action( 'AHEE__EE_Registration__set_status__after_update', $this );

			return TRUE;

		}else{

			//even though the old value matches the new value, it's still good to

			//allow the parent set method to have a say

			parent::set( 'STS_ID', $new_STS_ID, $use_default );

			return TRUE;

		}

	}