WordPress at a glance
filter is not described

woocommerce_evaluate_shipping_cost_args filter-hook . WC 1.0

Allow 3rd parties to process shipping cost arguments.

Usage

add_filter( 'woocommerce_evaluate_shipping_cost_args', 'filter_function_name_5864', 10, 3 );
function filter_function_name_5864( $args, $sum, $that ){
	// filter...

	return $args;
}
$args
-
$sum
-
$that
-

Where the hook is called

WC_Shipping_Flat_Rate::evaluate_cost()
woocommerce_evaluate_shipping_cost_args
woocommerce/includes/shipping/flat-rate/class-wc-shipping-flat-rate.php 70
$args           = apply_filters( 'woocommerce_evaluate_shipping_cost_args', $args, $sum, $this );

Where in WP core the hook is used WooCommerce

Usage not found.