# PDF::API2::Basic::PDF::Null - Low-level PDF null object - perldoc - [phpMan]

## NAME
    [PDF::API2::Basic::PDF::Null](https://www.chedong.com/phpMan.php/perldoc/PDF%3A%3AAPI2%3A%3ABasic%3A%3APDF%3A%3ANull/markdown) - Low-level PDF null object

## METHODS
  [PDF::API2::Basic::PDF::Null](https://www.chedong.com/phpMan.php/perldoc/PDF%3A%3AAPI2%3A%3ABasic%3A%3APDF%3A%3ANull/markdown)->new
    Returns the null object. There is only one null object.

  $s->realise
    Pretends to finish reading the object.

  $s->outobjdeep
    Output the object in PDF format.

  $s->is_obj
    Returns false because null is not a full object.

  $s->copy
    Another no-op.

  $s->val
    Return undef.