class Twig_TemplatePropertyObjectAndArrayAccess

class Twig_TemplatePropertyObjectAndArrayAccess extends Twig_TemplatePropertyObject implements ArrayAccess {
  private $data = array();
  public function offsetExists($offset) {
    return array_key_exists($offset, $this->data);
  }
  public function offsetGet($offset) {
    return $this
      ->offsetExists($offset) ? $this->data[$offset] : 'n/a';
  }
  public function offsetSet($offset, $value) {
  }
  public function offsetUnset($offset) {
  }

}