public function maybe_regenerate_rewrite_rules() {
		// if they don't have any rewrite rules, do nothing
		// Don't try to run stuff for non-logged users (too time consuming)
		if ( ! is_array( $GLOBALS['wp_rewrite']->rules ) || ! is_user_logged_in() ) {
			return;
		}

		$rules = $this->rewrite_rules_array();

		$diff = array_diff( $rules, $GLOBALS['wp_rewrite']->rules );
		$key_diff = array_diff_assoc( $rules, $GLOBALS['wp_rewrite']->rules );

		if ( empty( $diff ) && empty( $key_diff ) ) {
			return;
		}

		flush_rewrite_rules();
	}