/**
  * Get a variable by array access to the TemplateEngine
  *
  * @param   string  $offset The variable trying to be get
  * @return  bool
  */
 public function offsetGet($offset)
 {
     $val = $this->registry->getEntry($offset, null);
     if (empty($val)) {
         $val = $this->_getFallbackMethod($offset, array(), false, 'get');
     }
     return $val;
 }