PHP Classes

File: Library/vendor/twig/twig/doc/filters/keys.rst

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File: Library/vendor/twig/twig/doc/filters/keys.rst
Role: Auxiliary data
Content type: text/plain
Description: Auxiliary data
Class: Lego PHP
Blog and shopping cart system
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Date: 7 years ago
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``keys``
========

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

.. code-block:: jinja

    {% for key in array|keys %}
        ...
    {% endfor %}