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Yii v2 snippet guide

Revision #73 has been created by rackycz on Sep 20, 2019, 3:06:33 PM with the memo:

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Yii v2 for beginners

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Tutorials

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2.0

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tutorial,beginner,yii2

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[...]
// ...
```

Now in the top-right corner you can see a new drop-down-list with list of 2 languages. If one is selected, action "site/setLang" is used so we have to create it in SiteController.

*Note that this approach will always redirect user to the new action and his work will be lost. Nevertheless this approach is very simple so I am using it in small projects. More complex projects may require an ajax call when language is changed and then updating texts using javascript so reload is not needed and user's work is preserved. But I expect that when someone opens the web, he/she sets the language immediately and then there is no need for further changes.*
 
 
The setLang looks like this:
 
 
```php
 
    public function actionSetLang($langID = "") {
 
        if ($langID && trim($langID) !== "" && in_array($langID, Yii::$app->params["allowedLanguages"])) {
 
            Yii::$app->session->set('langID', $langID);
 
        }
 
        return $this->redirect(['site/index']);
 
    }
 
```
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Version: 2.0
Category: Tutorials
Written by: rackycz
Last updated by: rackycz
Created on: Sep 19, 2019
Last updated: 23 days ago
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