Hello. I found IDE Autocompletion script in yii2 cookbook. But I have "Multiple definitions exist for class Yii" hint in PhpStorm at every Yii:: class call. When I mark vendor/yiisoft/yii2/Yii.php as Text - nothing happens.
I’ve initied composer in my project and have marked vendor dir as excluded.
Also I have "Namespace reference is not case-sensitive" in
“Multiple definitions exist for class Yii” means there are more than one classes in the project with the same name. If you’ll CTRL+click the class name it will give you a list of these classes.