PhpStorm 2022.3 Help

Code Inspection: Redundant intersection type

Reports the intersection type declarations that contain redundant types, for example, an intersection type that contains both the parent class and its subclass.

See PHP RFC: Pure intersection types ( for details.

Suppress an inspection in the editor

  1. Position the caret at the highlighted line and press Alt+Enter or click the Intention action icon.

  2. Click the arrow next to the inspection you want to suppress and select the necessary suppress action.

Last modified: 16 May 2022