Twig

The flexible, fast, and secure
template engine for PHP

a Symfony Product
Docs mapping
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Twig documentation is licensed under the new BSD license.

mapping

mapping checks if a variable is a mapping:

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{% set users = {alice: "Alice Dupond", bob: "Bob Smith"} %}
{# evaluates to true if the users variable is a mapping #}
{% if users is mapping %}
    {% for key, user in users %}
        {{ key }}: {{ user }};
    {% endfor %}
{% endif %}