Iconic Linked Variations - Force show out of stock Linked Variations

gistfile1.txt

/**
 * Iconic Linked Variations - Force show out of stock Linked Variations.
 *
 * @param array $product_data Product Data.
 * @param int   $product_id   Product ID.
 *
 * @return array
 */
function iconic_lv_force_show_out_of_stock_products( $product_data, $product_id ) {
        foreach ( $product_data['attributes'] as &$attribute ) {
                foreach ( $attribute['terms'] as &$term ) {
                        if ( 'instock' != $term['linked_variation_data']['variation']['stock_status'] ) {
                                $term['linked_variation_data']['variation']['stock_status'] = 'instock';
                                $term['linked_variation_data']['match']                     = false;
                        }
                }
        }

        return $product_data;
}
add_filter( 'iconic_wlv_group_data', 'iconic_lv_force_show_out_of_stock_products', 10, 2 );