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added note about varying source languages

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fixes #8125
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Carsten Brandt
2016-06-20 12:54:14 +02:00
parent 0fe003195a
commit 0bb6f98ed1
1 changed files with 8 additions and 5 deletions
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13
docs/guide/tutorial-i18n.md
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@ -9,14 +9,14 @@ translation, view translation, date and number formatting.
## Locale and Language <span id="locale-language"></span>
Locale is a set of parameters that defines the user's language, country and any special variant preferences
that the user wants to see in their user interface. It is usually identified by an ID consisting of a language
ID and a region ID. For example, the ID `en-US` stands for the locale of English and United States.
For consistency, all locale IDs used in Yii applications should be canonicalized to the format of
Locale is a set of parameters that defines the user's language, country and any special variant preferences
that the user wants to see in their user interface. It is usually identified by an ID consisting of a language
ID and a region ID. For example, the ID `en-US` stands for the locale of English and United States.
For consistency, all locale IDs used in Yii applications should be canonicalized to the format of
`ll-CC`, where `ll` is a two- or three-letter lowercase language code according to
[ISO-639](http://www.loc.gov/standards/iso639-2/) and `CC` is a two-letter country code according to
[ISO-3166](http://www.iso.org/iso/en/prods-services/iso3166ma/02iso-3166-code-lists/list-en1.html).
More details about locale can be found in the
More details about locale can be found in the
[documentation of the ICU project](http://userguide.icu-project.org/locale#TOC-The-Locale-Concept).
In Yii, we often use the term "language" to refer to a locale.
@ -53,6 +53,9 @@ you can use the following statement to change the target language:
\Yii::$app->language = 'zh-CN';
```
> Tip: If your source language varies among different parts of your code, you can
> override the source language for different message sources, which are described in the next section.
## Message Translation <span id="message-translation"></span>
The message translation service translates a text message from one language (usually the [[yii\base\Application::$sourceLanguage|source language]])