for

The for tag is used to iterate through primitive arrays or anything that implements the java.lang.Iterable interface, as well as maps.

{% for user in users %}~
    {{ user.name }} lives in {{ user.city }}.
{% endfor %}

While inside the loop, Pebble provides a couple of special variables to help you out:

• loop.index - a zero-based index that increments with every iteration.
• loop.length - the size of the object we are iterating over.
• loop.first - True if first iteration
• loop.last - True if last iteration
• loop.revindex - The number of iterations from the end of the loop

{% for user in users %}
    {{ loop.index }} - {{ user.id }}
{% endfor %}

The for tag also provides a convenient way to check if the iterable object is empty with the included else tag.

{% for user in users %}
    {{ loop.index }} - {{ user.id }}
{% else %}
    There are no users to display.
{% endfor %}

Iterating over maps can be done like so:

{% for entry in map %}
    {{ entry.key }} - {{ entry.value }}
{% endfor %}