Daftar Children 1 Taxonomy + Active Class

<?php
$taxonomyName = "layanan";
$terms = get_terms($taxonomyName,array('parent' => 0));
echo '<ul class="layanan_links">';
  foreach($terms as $term) {
      $class = ( is_tax('layanan', $term->slug) ) ? 'layanan_item active' : 'layanan_item';   
      echo '<li class="'.$class.'"><a href="'.get_term_link($term->slug,$taxonomyName).'">'.$term->name.'</a></li>';
  }
echo '</ul>'
?>