Yii also can auto-generate fixtures for you based on some template. You can generate your fixtures with different data on different languages and formats.
These feature is done by [Faker](https://github.com/fzaninotto/Faker) library and `yii2-faker` extension.
See extension [guide](https://github.com/yiisoft/yii2/tree/master/extensions/yii/faker) for more docs.
See extension [guide](https://github.com/yiisoft/yii2/tree/master/extensions/faker) for more docs.