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 (php.net) for details.

Locating this inspection

By ID

Can be used to locate inspection in e.g. Qodana configuration files, where you can quickly enable or disable it, or adjust its settings.

PhpRedundantIntersectionTypeInspection

Via Settings dialog

Path to the inspection settings via IntelliJ Platform IDE Settings dialog, when you need to adjust inspection settings directly from your IDE.

Settings or Preferences | Editor | Inspections | PHP | Type compatibility

Availability

By default bundled with: PhpStorm 2024.1, Qodana for PHP 2024.1,
Can be installed with plugin: PHP, 241.SNAPSHOT

Last modified: 18 June 2024