woocommerce_rating_filter_link │ filter-hook │ WC 1.0

Usage

add_filter( 'woocommerce_rating_filter_link', 'wp_kama_woocommerce_rating_filter_link_filter' );

/**
 * Function for `woocommerce_rating_filter_link` filter-hook.
 * 
 * @param  $add_query_arg() 
 *
 * @return 
 */
function wp_kama_woocommerce_rating_filter_link_filter( $add_query_arg() ){

	// filter...
	return $add_query_arg();
}

$add_query_arg()

-

Where the hook is called

$link        = apply_filters( 'woocommerce_rating_filter_link', $link_ratings ? add_query_arg( 'rating_filter', $link_ratings, $link ) : remove_query_arg( 'rating_filter' ) );

Where the hook is used in WooCommerce