Filters › default

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Filter default(default, boolean):

  • default: The default value
  • boolean: Cast the value to boolean (default: false)

The 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') }}

{{|default('foo item on var is not defined') }}

{{ var['foo']|default('foo item on var is not defined') }}

If you want to use default with variables that evaluate to false you have to set the second parameter to true:

{{ ''|default('passed var is empty', true)  }}