keys

You are reading the documentation for Twig 1.x. Switch to the documentation for Twig 2.x, 3.x.

Warning Twig version 1.x is no longer maintained.

Found a typo or an error?
Want to improve this document? Edit it.

Need support or have a technical question?
Ask support on Stack Overflow.

Twig documentation is licensed under the new BSD license.

`keys`

The keys filter returns the keys of an array. It is useful when you want to iterate over the keys of an array:

        1
2
3
        {% for key in array|keys %}
    ...
{% endfor %}
    