woocommerce_get_shipping_classes │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_get_shipping_classes', 'wp_kama_woocommerce_get_shipping_classes_filter' );

/**
 * Function for `woocommerce_get_shipping_classes` filter-hook.
 * 
 * @param  $shipping_classes 
 *
 * @return 
 */
function wp_kama_woocommerce_get_shipping_classes_filter( $shipping_classes ){

	// filter...
	return $shipping_classes;
}

$shipping_classes

-

Where the hook is called

return apply_filters( 'woocommerce_get_shipping_classes', $this->shipping_classes );

Where the hook is used in WooCommerce