get_id(); } else { $product_id = $product_or_id; $product = wc_get_product( $product_id ); } if ( $product instanceof \WC_Product_Variation ) { $parent_id = $product->get_parent_id(); } $product_specific_transient_names = array( 'wc_product_children_', 'wc_var_prices_', 'wc_related_', 'wc_child_has_weight_', 'wc_child_has_dimensions_', ); foreach ( $product_specific_transient_names as $transient ) { delete_transient( $transient . $product_id ); if ( $parent_id ) { delete_transient( $transient . $parent_id ); } } } }