Additional parameters that are used to change the values received from the get_terms WordPress function.
Parameters:
- $additional – an array with additional parameters:
- hierarchical(boolean) – sorts values hierarchically;
- depth(int) – all child elements, that are deeper than this value in the hierarchy, will be deleted; if the value is set to zero, nothing will be deleted;
- operator(string) – the operators used in the product count in values can be either OR, or AND;
- recount_tax_query(array) – the tax_query array, which is going to be used in recalculating the values, is taken from the current query for products by default;
- disable_recount(boolean) – disables the recalculation of the values based on the other filters and variations (depends on global settings);
- disable_hide_empty(boolean) – disables deleting values without products for the page. If the attribute value is not used in any product (in store as a whole), the value is deleted anyway
- $filter_data – the filter settings, that were set when the filter was created
- $widget_args – the widget parameters
- $get_terms_args – parameters for the get_terms WordPress function