woocommerce_widget_get_current_page_url filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_widget_get_current_page_url', 'filter_function_name_3001', 10, 2 );
function filter_function_name_3001( $link, $that ){
	// filter...

	return $link;
}

$link

-

$that

-

Where the hook is called

return apply_filters( 'woocommerce_widget_get_current_page_url', $link, $this );

Where in WP core the hook is used WooCommerce