'yes', 'title' => 'Flat rate', 'availability' => 'all', 'countries' => '', 'tax_status' => 'taxable', 'cost' => '10', ); update_option( 'woocommerce_flat_rate_settings', $flat_rate_settings ); update_option( 'woocommerce_flat_rate', array() ); WC_Cache_Helper::get_transient_version( 'shipping', true ); WC()->shipping->load_shipping_methods(); } /** * Delete the simple flat rate. * * @since 2.3 */ public static function delete_simple_flat_rate() { delete_option( 'woocommerce_flat_rate_settings' ); delete_option( 'woocommerce_flat_rate' ); WC_Cache_Helper::get_transient_version( 'shipping', true ); WC()->shipping->unregister_shipping_methods(); } }