Code Inspection: Language level
Reports the language features used in source code that are not supported for the selected language level.
For example, union types can be used only in PHP 8.0 and later.
Suppress an inspection in the editor
Position the caret at the highlighted line and press Alt+Enter or click .
Click the arrow next to the inspection you want to suppress and select the necessary suppress action.
Last modified: 16 July 2021