classMethodManipulator = $classMethodManipulator; $this->controllerClassMethodManipulator = $controllerClassMethodManipulator; $this->paramAnalyzer = $paramAnalyzer; } public function getRuleDefinition() : RuleDefinition { return new RuleDefinition('Remove empty class methods not required by parents', [new CodeSample(<<<'CODE_SAMPLE' class OrphanClass { public function __construct() { } } CODE_SAMPLE , <<<'CODE_SAMPLE' class OrphanClass { } CODE_SAMPLE )]); } /** * @return array> */ public function getNodeTypes() : array { return [ClassMethod::class]; } /** * @param ClassMethod $node */ public function refactor(Node $node) : ?int { $classLike = $this->betterNodeFinder->findParentType($node, Class_::class); if (!$classLike instanceof Class_) { return null; } if ($node->stmts !== null && $node->stmts !== []) { return null; } if ($node->isAbstract()) { return null; } if ($node->isFinal() && !$classLike->isFinal()) { return null; } if ($this->shouldSkipNonFinalNonPrivateClassMethod($classLike, $node)) { return null; } if ($this->shouldSkipClassMethod($classLike, $node)) { return null; } return NodeTraverser::REMOVE_NODE; } private function shouldSkipNonFinalNonPrivateClassMethod(Class_ $class, ClassMethod $classMethod) : bool { if ($class->isFinal()) { return \false; } if ($classMethod->isMagic()) { return \false; } if ($classMethod->isProtected()) { return \true; } return $classMethod->isPublic(); } private function shouldSkipClassMethod(Class_ $class, ClassMethod $classMethod) : bool { if ($this->classMethodManipulator->isNamedConstructor($classMethod)) { return \true; } if ($this->classMethodManipulator->hasParentMethodOrInterfaceMethod($class, $classMethod->name->toString())) { return \true; } if ($this->paramAnalyzer->hasPropertyPromotion($classMethod->params)) { return \true; } if ($this->controllerClassMethodManipulator->isControllerClassMethodWithBehaviorAnnotation($classMethod)) { return \true; } if ($this->nodeNameResolver->isName($classMethod, MethodName::CONSTRUCT)) { $class = $this->betterNodeFinder->findParentType($classMethod, Class_::class); return $class instanceof Class_ && $class->extends instanceof FullyQualified; } return $this->nodeNameResolver->isName($classMethod, MethodName::INVOKE); } }