WordPress at a glance
filter is not described

woocommerce_order_shipping_method filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_order_shipping_method', 'filter_function_name_9602', 10, 2 );
function filter_function_name_9602( $implode, $that ){
	// filter...

	return $implode;
}
$implode
-
$that
-

Where the hook is called

WC_Abstract_Order::get_shipping_method()
woocommerce_order_shipping_method
woocommerce/includes/abstracts/abstract-wc-order.php 835
return apply_filters( 'woocommerce_order_shipping_method', implode( ', ', $names ), $this );

Where in WP core the hook is used WooCommerce

Usage not found.