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``slug``
========
The ``slug`` filter transforms a given string into another string that
only includes safe ASCII characters.
Here is an example:
.. code-block:: twig
{{ 'Wôrķšƥáçè ~~sèťtïñğš~~'|slug }}
Workspace-settings
The default separator between words is a dash (``-``), but you can
define a selector of your choice by passing it as an argument:
.. code-block:: twig
{{ 'Wôrķšƥáçè ~~sèťtïñğš~~'|slug('/') }}
Workspace/settings
The slugger automatically detects the language of the original
string, but you can also specify it explicitly using the second
argument:
.. code-block:: twig
{{ '...'|slug('-', 'ko') }}
The ``slug`` filter uses the method by the same name in Symfony's
`AsciiSlugger <https://symfony.com/doc/current/components/string.html#slugger>`_.
.. note::
The ``slug`` filter is part of the ``StringExtension`` which is not
installed by default. Install it first:
.. code-block:: bash
$ composer require twig/string-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\String\StringExtension;
$twig = new \Twig\Environment(...);
$twig->addExtension(new StringExtension());
Arguments
---------
* ``separator``: The separator that is used to join words (defaults to ``-``)
* ``locale``: The locale code of the original string as defined in `RFC 5646`_
.. _RFC 5646: https://www.rfc-editor.org/info/rfc5646
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