classMethodVisibilityGuard = $classMethodVisibilityGuard; $this->visibilityManipulator = $visibilityManipulator; } public function getRuleDefinition() : RuleDefinition { return new RuleDefinition('Change protected class method to private if possible', [new CodeSample(<<<'CODE_SAMPLE' final class SomeClass { protected function someMethod() { } } CODE_SAMPLE , <<<'CODE_SAMPLE' final class SomeClass { private function someMethod() { } } CODE_SAMPLE )]); } /** * @return array> */ public function getNodeTypes() : array { return [Class_::class]; } /** * @param Class_ $node */ public function refactor(Node $node) : ?Node { if (!$node->isFinal()) { return null; } $classScope = $node->getAttribute(AttributeKey::SCOPE); if (!$classScope instanceof Scope) { return null; } $classReflection = $classScope->getClassReflection(); if (!$classReflection instanceof ClassReflection) { return null; } $hasChanged = \false; foreach ($node->getMethods() as $classMethod) { if ($this->shouldSkipClassMethod($classMethod)) { continue; } if ($this->classMethodVisibilityGuard->isClassMethodVisibilityGuardedByParent($classMethod, $classReflection)) { continue; } if ($this->classMethodVisibilityGuard->isClassMethodVisibilityGuardedByTrait($classMethod, $classReflection)) { continue; } $this->visibilityManipulator->makePrivate($classMethod); $hasChanged = \true; } if ($hasChanged) { return $node; } return null; } private function shouldSkipClassMethod(ClassMethod $classMethod) : bool { if ($this->isName($classMethod, 'createComponent*')) { return \true; } return !$classMethod->isProtected(); } }