Drupal Anchor Links

field--field_shortcuts.tpl.php

<nav>
  <ul>
    <?php foreach ($items as $delta => $item): ?>
      <li><?php print render($item); ?></li>
    <?php endforeach; ?>
  </ul>
</nav>

template.php

<?
function TEMPLATE_preprocess_node(&$vars, $hook){
  for($i = 0; $i < sizeof($vars['content']['field_shortcuts']['#items']); $i++){
    if($vars['content']['field_shortcuts']['#items'][$i]['url'] == ""){
      $urldata = explode('#', $vars['content']['field_shortcuts']['#items'][$i]['display_url']);
      if(isset($urldata[1])){
        $vars['content']['field_shortcuts'][$i]['#markup'] = '<a href="#' . $urldata[1] . '">' . $vars['content']['field_shortcuts'][$i]['#markup'] . '</a>';
      }
    }
  }
}
 
?>