<?php if (! isset($subfield)) $subfield ='';
  foreach ($data as $field): ?>
  <div class="classification-line" property="keywords">
      <?php isset($subject) ? $subject = trim($subject . ' ' . $subfield) : $subject = ''; ?>
      <a title="<?=$this->escapeHtmlAttr($field)?>" href="<?=$this->record($this->driver)->getLink('classification', $field)?>" rel="nofollow"><?=trim($this->escapeHtml($field))?></a>
  </div>
<?php endforeach; ?>
