woocommerce_shipping_rate_method_id │ filter-hook │ WC 3.2.0

Filter the shipping method ID.

Usage

add_filter( 'woocommerce_shipping_rate_method_id', 'wp_kama_woocommerce_shipping_rate_method_id_filter', 10, 2 );

/**
 * Function for `woocommerce_shipping_rate_method_id` filter-hook.
 * 
 * @param string           $method_id The shipping method ID.
 * @param WC_Shipping_Rate $that      The shipping rate object.
 *
 * @return string
 */
function wp_kama_woocommerce_shipping_rate_method_id_filter( $method_id, $that ){

	// filter...
	return $method_id;
}

$method_id(string)

The shipping method ID.

$that(WC_Shipping_Rate)

The shipping rate object.

Changelog

Where the hook is called

return apply_filters( 'woocommerce_shipping_rate_method_id', $this->data['method_id'], $this );

Where the hook is used in WooCommerce