mirror of
https://github.com/twigphp/Twig.git
synced 2026-08-28 11:06:50 +00:00
Fabien Potencier
19 lines
476 B
ReStructuredText
19 lines
476 B
ReStructuredText
``empty``
|
|
=========
|
|
|
|
``empty`` checks if a variable is an empty string, an empty array, an empty
|
|
hash, exactly ``false``, or exactly ``null``.
|
|
|
|
For objects that implement the ``Countable`` interface, ``empty`` will check the
|
|
return value of the ``count()`` method.
|
|
|
|
For objects that implement the ``__toString()`` magic method (and not ``Countable``),
|
|
it will check if an empty string is returned.
|
|
|
|
.. code-block:: twig
|
|
|
|
{% if foo is empty %}
|
|
...
|
|
{% endif %}
|
|
|