default
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Twig documentation is licensed under a
Creative Commons Attribution-Share Alike 3.0
Unported License.
defaultΒΆThe default filter returns the passed default value if the value is
undefined or empty, otherwise the value of the variable:
{{ var|default('var is not defined') }}
{{ var.foo|default('foo item on var is not defined') }}
{{ var['foo']|default('foo item on var is not defined') }}
{{ ''|default('passed var is empty') }}
When using the default filter on an expression that uses variables in some
method calls, be sure to use the default filter whenever a variable can be
undefined:
{{ var.method(foo|default('foo'))|default('foo') }}
