length
The length filter returns the number of items of a sequence or mapping or the length of a string.
Examples
Outputting the length.
{{ variable|length }}
Using the length in a test.
{% if variable|length > 0 %}
...
{% endif %}
The length filter returns the number of items of a sequence or mapping or the length of a string.
Outputting the length.
{{ variable|length }}
Using the length in a test.
{% if variable|length > 0 %}
...
{% endif %}