moonstonemedia / Simple-Calendar

		foreach ( $posts as $post ) {

			$calendar = simcal_get_calendar( $post );

			if ( $calendar instanceof \SimpleCalendar\Abstracts\Calendar ) {

				foreach ( $feed_types as $feed_type ) {

					delete_transient( '_simple-calendar_feed_id_' . strval( $calendar->id ) . '_' . $feed_type );

				}

			}

		}

	} else {

		$post = get_post( $id );

		$calendar = simcal_get_calendar( $post );

		if ( $calendar instanceof \SimpleCalendar\Abstracts\Calendar ) {

			foreach ( $feed_types as $feed_type ) {

				delete_transient( '_simple-calendar_feed_id_' . strval( $calendar->id ) . '_' . $feed_type );

			}

		}

	}

	return delete_transient( '_simple-calendar_feed_ids' );