woocommerce_order_get_tax_location │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_order_get_tax_location', 'wp_kama_woocommerce_order_get_tax_location_filter', 10, 2 );

/**
 * Function for `woocommerce_order_get_tax_location` filter-hook.
 * 
 * @param  $args 
 * @param  $that 
 *
 * @return 
 */
function wp_kama_woocommerce_order_get_tax_location_filter( $args, $that ){

	// filter...
	return $args;
}

$args

-

$that

-

Where the hook is called

return apply_filters( 'woocommerce_order_get_tax_location', $args, $this );

Where the hook is used in WooCommerce

add_filter( 'woocommerce_order_get_tax_location', array( $this, 'filter_order_tax_location' ), 10, 2 );