WordPress at a glance
filter is not described

woocommerce_calc_tax filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_calc_tax', 'filter_function_name_262', 10, 5 );
function filter_function_name_262( $taxes, $price, $rates, $price_includes_tax, $deprecated ){
	// filter...

	return $taxes;
}
$taxes
-
$price
-
$rates
-
$price_includes_tax
-
$deprecated
-

Where the hook is called

WC_Tax::calc_tax()
woocommerce_calc_tax
woocommerce/includes/class-wc-tax.php 74
return apply_filters( 'woocommerce_calc_tax', $taxes, $price, $rates, $price_includes_tax, $deprecated );

Where in WP core the hook is used WooCommerce

Usage not found.