ifdef::phan[]
'''

*Execution — Run Phan · MediaWiki*

Run Phan against the codebase:

[source,console]
----
make composer-phan
----

*Fixing issues*

* Fix genuine type errors, undeclared-method, and undeclared-class issues in new code
* For issues in legacy code not touched by the current change, update the baseline instead of adding `@suppress`:
+
[source,console]
----
make composer-phan-update-baseline
----
+
This target re-generates the baseline and post-processes it with `unexpand` to convert Phan's hardcoded 4-space indentation to tabs.
Never run `--save-baseline` directly — the unprocessed output fails MediaWiki PHPCS.
* When `@suppress` is unavoidable, add an explanatory comment directly above it

*Baseline updates*

`.phan/baseline.php` is auto-generated.
After updating it, commit it together with the code change that necessitated the update.

endif::phan[]