/**
  * Gets last child if it exists
  *
  * @param      PropelPDO $con Connection to use.
  * @return     mixed 		Propel object if exists else false
  */
 public function retrieveLastChild(PropelPDO $con = null)
 {
     if ($this->hasChildren($con)) {
         if (is_array($this->_children)) {
             $last = count($this->_children) - 1;
             return $this->_children[$last];
         }
         return sfAssetFolderPeer::retrieveLastChild($this, $con);
     }
     return false;
 }