empty.rst
581 Bytes
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.
{% if foo is empty %}
...
{% endif %}