Airplane_Mode_Core::purge_transients PHP Method

        public function purge_transients()
        {
            // First check for the filter to avoid this action overall.
            if (false === ($clear = apply_filters('airplane_mode_purge_transients', true))) {
                return;
            }
            // Purge the transients related to updates when disabled.
            if (!$this->enabled()) {
                delete_site_transient('update_core');
                delete_site_transient('update_plugins');
                delete_site_transient('update_themes');
                delete_site_transient('wporg_theme_feature_list');
            }
        }