public function move_old_events_to_trash() {

		$month = $this->trash_new_date;

		$post_ids = $this->select_events_to_purge( $month );

		if ( empty( $post_ids ) ) {
			return;
		}

		foreach ( $post_ids as $post_id ) {
			wp_trash_post( $post_id );
		}
	}