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psalm/docs/running_psalm/issues/PrivateFinalMethod.md

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# PrivateFinalMethod
Emitted when a class defines private final method. PHP 8.0+ emits a warning when it sees private final method (except `__construct` where it's allowed), and allows redefinition in child classes (effectively ignoring `final` modifier). Before PHP 8.0, `final` was respected in this case.
```php
<?php
class Foo {
final private function baz(): void {}
}
```
## Why this is bad
It causes a warning, and behavior differs between versions.