WordPress at a glance
filter is not described

woocommerce_cart_subtotal filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_cart_subtotal', 'filter_function_name_2393', 10, 3 );
function filter_function_name_2393( $cart_subtotal, $compound, $that ){
	// filter...

	return $cart_subtotal;
}
$cart_subtotal
-
$compound
-
$that
-

Where the hook is called

WC_Cart::get_cart_subtotal()
woocommerce_cart_subtotal
woocommerce/includes/class-wc-cart.php 1967
return apply_filters( 'woocommerce_cart_subtotal', $cart_subtotal, $compound, $this );

Where in WP core the hook is used WooCommerce

Usage not found.