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``language_names``
==================
.. versionadded:: 3.5
The ``language_names`` function was added in Twig 3.5.
The ``language_names`` function returns the names of the languages:
.. code-block:: twig
{# Abkhazian, Achinese, ... #}
{{ language_names()|join(', ') }}
By default, the function uses the current locale. You can pass it explicitly:
.. code-block:: twig
{# abkhaze, aceh, ... #}
{{ language_names('fr')|join(', ') }}
.. note::
The ``language_names`` function is part of the ``IntlExtension`` which is not
installed by default. Install it first:
.. code-block:: bash
$ composer require twig/intl-extra
Then, on Symfony projects, install the ``twig/extra-bundle``:
.. code-block:: bash
$ composer require twig/extra-bundle
Otherwise, add the extension explicitly on the Twig environment::
use Twig\Extra\Intl\IntlExtension;
$twig = new \Twig\Environment(...);
$twig->addExtension(new IntlExtension());
Arguments
---------
* ``locale``: The locale code as defined in `RFC 5646`_
.. _RFC 5646: https://www.rfc-editor.org/info/rfc5646
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