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Class can't implement Traversable directly

Reports the classes that are implementing the Traversable interface alone, not as part of Iterator or IteratorAggregate interfaces.

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.

PhpClassImplementsSolelyTraversableInspection
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 | General

The Traversable interface is an internal engine interface; it cannot be implemented in PHP scripts. See The Traversable interface (php.net) for details.

Inspection Details

By default bundled with:

PhpStorm 2024.2, Qodana for PHP 2024.2,

Can be installed with plugin:

PHP, 242.22893

Last modified: 11 September 2024