WordPress at a glance
filter is not described

woocommerce_get_shipping_classes filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_get_shipping_classes', 'filter_function_name_1084' );
function filter_function_name_1084( $shipping_classes ){
	// filter...

	return $shipping_classes;
}
$shipping_classes
-

Where the hook is called

WC_Shipping::get_shipping_classes()
woocommerce_get_shipping_classes
woocommerce/includes/class-wc-shipping.php 242
return apply_filters( 'woocommerce_get_shipping_classes', $this->shipping_classes );

Where in WP core the hook is used WooCommerce

Usage not found.