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[Routing] Add locale fallback to internationalized routes #10108

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11 changes: 11 additions & 0 deletions routing.rst
Original file line number Diff line number Diff line change
Expand Up @@ -210,6 +210,17 @@ should be used during the request. Defining routes this way also eliminated the
need for duplicate registration of routes which minimizes the risk for any bugs
caused by definition inconsistency.

.. tip::

If you use full locales (language + territory) in your application (e.g. `fr_FR`),
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s/territory/culture/

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Not sure about this, I took it from Uncyclopedia and the info seems to come from the ISO standard (https://en.wikipedia.org/wiki/Locale_(computer_software)).

you can use the language part only in your routes configurations (e.g. `fr`).

It also prevents you from repeating yourself when you want to use the same route path
for several full locales that share the same language (e.g. `fr_FR` and `fr_BE`).

.. versionadded:: 4.2
The feature to fall back on the language part only was introduced in Symfony 4.2.
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fallback

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I think "fallback" is the noun, and "fall back" the verb (https://english.stackexchange.com/questions/90549/difference-between-fallback-and-fall-back)


A common requirement for internationalized applications is to prefix all routes
with a locale. This can be done by defining a different prefix for each locale
(and setting an empty prefix for your default locale if you prefer it):
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