<ul class="destinations">
                     <?php 
        $id = (int)$subCategory->id;
//echo 'id'.$id;
		$db = JFactory::getDBO();
		$query = "SELECT * FROM #__k2_categories  WHERE parent={$id} AND published=1 AND trash=0 ORDER BY name";
        $db->setQuery($query);
		$rows = $db->loadObjectList();
//echo '<pre>'.print_r($rows).'</pre>';
                    foreach ($rows as $value){
                        echo '<li><a ref="index.php?option=com_k2&view=itemlist&layout=category&task=category&id='.$value->id.'">'.$value->name.'</a></li>';
                    }
               
?>
                
                    </ul>