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Table of Contents

  • Twig Templates
    • Using Twig Tags
    • Using Twig Filters
  • PHP Templates

Using Translation in Templates

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Warning: You are browsing the documentation for Symfony 5.0, which is no longer maintained.

Read the updated version of this page for Symfony 6.3 (the current stable version).

Using Translation in Templates

Twig Templates

Using Twig Tags

Symfony provides a specialized Twig tag trans to help with message translation of static blocks of text:

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{% trans %}Hello %name%{% endtrans %}

Caution

The %var% notation of placeholders is required when translating in Twig templates using the tag.

Tip

If you need to use the percent character (%) in a string, escape it by doubling it: {% trans %}Percent: %percent%%%{% endtrans %}

You can also specify the message domain and pass some additional variables:

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{% trans with {'%name%': 'Fabien'} from 'app' %}Hello %name%{% endtrans %}

{% trans with {'%name%': 'Fabien'} from 'app' into 'fr' %}Hello %name%{% endtrans %}

Using Twig Filters

The trans filter can be used to translate variable texts and complex expressions:

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{{ message|trans }}

{{ message|trans({'%name%': 'Fabien'}, 'app') }}

Tip

Using the translation tags or filters have the same effect, but with one subtle difference: automatic output escaping is only applied to translations using a filter. In other words, if you need to be sure that your translated message is not output escaped, you must apply the raw filter after the translation filter:

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{# text translated between tags is never escaped #}
{% trans %}
    <h3>foo</h3>
{% endtrans %}

{% set message = '<h3>foo</h3>' %}

{# strings and variables translated via a filter are escaped by default #}
{{ message|trans|raw }}
{{ '<h3>bar</h3>'|trans|raw }}

Tip

You can set the translation domain for an entire Twig template with a single tag:

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{% trans_default_domain 'app' %}

Note that this only influences the current template, not any "included" template (in order to avoid side effects).

PHP Templates

The translator service is accessible in PHP templates through the translator helper:

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<?= $view['translator']->trans('Symfony is great') ?>
This work, including the code samples, is licensed under a Creative Commons BY-SA 3.0 license.
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