Product category on body class

/**
* @snippet Product Category > Body CSS Class @ Single Product
* @how-to Get CustomizeWoo.com FREE
* @author Rodolfo Melogli
* @testedwith WooCommerce 3.9
* @donate $9 https://businessbloomer.com/bloomer-armada/
*/

add_filter( 'body_class', 'bbloomer_wc_product_cats_css_body_class' );

function bbloomer_wc_product_cats_css_body_class( $classes ){
if ( is_singular( 'product' ) ) {
$current_product = wc_get_product();
$custom_terms = get_the_terms( $current_product->get_id(), 'product_cat' );
if ( $custom_terms ) {
foreach ( $custom_terms as $custom_term ) {
$classes[] = 'product_cat_' . $custom_term->slug;
}
}
}
return $classes;
}