@@ -282,6 +282,87 @@ method.
282282 You can read more information about the default locale in
283283:ref: `translation-default-locale `.
284284
285+ .. _reference-enabled-locales :
286+
287+ enabled_locales
288+ ...............
289+
290+ **type **: ``array `` **default **: ``[] `` (empty array = enable all locales)
291+
292+ ..versionadded ::5.1
293+
294+ The ``enabled_locales `` option was introduced in Symfony 5.1.
295+
296+ Symfony applications generate by default the translation files for validation
297+ and security messages in all locales. If your application only uses some
298+ locales, use this option to restrict the files generated by Symfony and improve
299+ performance a bit:
300+
301+ ..configuration-block ::
302+
303+ ..code-block ::yaml
304+
305+ # config/packages/translation.yaml
306+ framework :
307+ enabled_locales :['en', 'es']
308+
309+ ..code-block ::xml
310+
311+ <!-- config/packages/translation.xml-->
312+ <?xml version =" 1.0" encoding =" UTF-8" ?>
313+ <container xmlns =" http://symfony.com/schema/dic/services"
314+ xmlns : xsi =" http://www.w3.org/2001/XMLSchema-instance"
315+ xmlns : framework =" http://symfony.com/schema/dic/symfony"
316+ xsi : schemaLocation =" http://symfony.com/schema/dic/services
317+ https://symfony.com/schema/dic/services/services-1.0.xsd
318+ http://symfony.com/schema/dic/symfony https://symfony.com/schema/dic/symfony/symfony-1.0.xsd" >
319+
320+ <framework : config >
321+ <enabled-locale >en</enabled-locale >
322+ <enabled-locale >es</enabled-locale >
323+ </framework : config >
324+ </container >
325+
326+ ..code-block ::php
327+
328+ // config/packages/translation.php
329+ use Symfony\Config\FrameworkConfig;
330+
331+ return static function (FrameworkConfig $framework) {
332+ $framework->enabledLocales(['en', 'es']);
333+ };
334+
335+ If some user makes requests with a locale not included in this option, the
336+ application won't display any error because Symfony will display contents using
337+ the fallback locale.
338+
339+ set_content_language_from_locale
340+ ...............
341+
342+ **type **: ``boolean `` **default **: ``false ``
343+
344+ ..versionadded ::5.4
345+
346+ The ``set_content_language_from_locale `` option was introduced in Symfony 5.4.
347+
348+ If this option is set to ``true ``, the response will have a ``Content-Language ``
349+ HTTP header set with the ``Request `` locale.
350+
351+ set_locale_from_accept_language
352+ ...............
353+
354+ **type **: ``boolean `` **default **: ``false ``
355+
356+ ..versionadded ::5.4
357+
358+ The ``set_locale_from_accept_language `` option was introduced in Symfony 5.4.
359+
360+ The ``Request `` locale will automatically be set to the value of the
361+ ``Accept-Language `` HTTP header.
362+
363+ When the ``_locale `` request attribute is passed, the ``Accept-Language `` header
364+ is ignored.
365+
285366disallow_search_engine_index
286367~~~~~~~~~~~~~~~~~~~~~~~~~~~~
287368
@@ -2142,52 +2223,10 @@ enabled_locales
21422223
21432224 The ``enabled_locales `` option was introduced in Symfony 5.1.
21442225
2145- Symfony applications generate by default the translation files for validation
2146- and security messages in all locales. If your application only uses some
2147- locales, use this option to restrict the files generated by Symfony and improve
2148- performance a bit:
2149-
2150- ..configuration-block ::
2151-
2152- ..code-block ::yaml
2153-
2154- # config/packages/translation.yaml
2155- framework :
2156- translator :
2157- enabled_locales :['en', 'es']
2158-
2159- ..code-block ::xml
2226+ ..deprecated ::5.4
21602227
2161- <!-- config/packages/translation.xml-->
2162- <?xml version =" 1.0" encoding =" UTF-8" ?>
2163- <container xmlns =" http://symfony.com/schema/dic/services"
2164- xmlns : xsi =" http://www.w3.org/2001/XMLSchema-instance"
2165- xmlns : framework =" http://symfony.com/schema/dic/symfony"
2166- xsi : schemaLocation =" http://symfony.com/schema/dic/services
2167- https://symfony.com/schema/dic/services/services-1.0.xsd
2168- http://symfony.com/schema/dic/symfony https://symfony.com/schema/dic/symfony/symfony-1.0.xsd" >
2169-
2170- <framework : config >
2171- <framework : translator >
2172- <enabled-locale >en</enabled-locale >
2173- <enabled-locale >es</enabled-locale >
2174- </framework : translator >
2175- </framework : config >
2176- </container >
2177-
2178- ..code-block ::php
2179-
2180- // config/packages/translation.php
2181- use Symfony\Config\FrameworkConfig;
2182-
2183- return static function (FrameworkConfig $framework) {
2184- $framework->translator()
2185- ->enabledLocales(['en', 'es']);
2186- };
2187-
2188- If some user makes requests with a locale not included in this option, the
2189- application won't display any error because Symfony will display contents using
2190- the fallback locale.
2228+ Using `framework.translator.enabled_locales ` has been deprecated in favour of
2229+ :ref: `framework.enabled_locales <reference-enabled-locales >` since Symfony 5.4.
21912230
21922231.. _fallback :
21932232