WooCommerce - Make attributes into links

<?php
  // make attributes into links
  // code goes in functions.php for your child theme
  add_filter ('woocommerce_attribute', 'link_attributes', 10, 3);
  function link_attributes($attributes_string, $attribute, $terms) {
    global $post;
    $taxonomy = get_taxonomy( $attribute['name'] );
    if ( $taxonomy && ! is_wp_error( $taxonomy ) ) {
      $attribute_string = '';
      $terms = wp_get_post_terms( $post->ID, $taxonomy->name );
      if ( !empty( $terms ) ) {
        foreach ( $terms as $term ) {
          if (strlen($attribute_string) > 0) {
            $attribute_string .= ', ';
          }
          $archive_link = get_term_link( $term->slug, $attribute['name'] );
          $attribute_string .= '<a href="' . $archive_link . '">'. $term->name . '</a>';
        }
      }
    }
    return '<p>'.$attribute_string.'</p>';
  }