There is ".yii" file in the following folders:
- /assets/
- /images/
- /protected/commands/shell/
- /protected/extensions/
- /protected/messages/
- /protected/runtime/
- /protected/views/system/
- /themes/classic/views/layouts/
- /themes/classic/views/site/
- /themes/classic/views/system/
What is it?