Twig

The flexible, fast, and secure
template engine for PHP

a Symfony Product
Docs Tests null
You are reading the documentation for Twig 3.x. Switch to the documentation for Twig 1.x, 2.x.

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License

Twig documentation is licensed under the new BSD license.

null

null returns true if the variable is null:

1
{{ var is null }}

Note

none is an alias for null.