paramAnalyzer = $paramAnalyzer; $this->reflectionResolver = $reflectionResolver; $this->classMethodParamRemover = $classMethodParamRemover; } public function getRuleDefinition() : RuleDefinition { return new RuleDefinition('Remove unused parameter in constructor', [new CodeSample(<<<'CODE_SAMPLE' final class SomeClass { private $hey; public function __construct($hey, $man) { $this->hey = $hey; } } CODE_SAMPLE , <<<'CODE_SAMPLE' final class SomeClass { private $hey; public function __construct($hey) { $this->hey = $hey; } } CODE_SAMPLE )]); } /** * @return array> */ public function getNodeTypes() : array { return [Class_::class]; } /** * @param Class_ $node */ public function refactor(Node $node) : ?Node { $constructorClassMethod = $node->getMethod(MethodName::CONSTRUCT); if (!$constructorClassMethod instanceof ClassMethod) { return null; } if ($constructorClassMethod->params === []) { return null; } if ($this->paramAnalyzer->hasPropertyPromotion($constructorClassMethod->params)) { return null; } if ($constructorClassMethod->isAbstract()) { return null; } $classReflection = $this->reflectionResolver->resolveClassReflection($node); if (!$classReflection instanceof ClassReflection) { return null; } $interfaces = $classReflection->getInterfaces(); foreach ($interfaces as $interface) { if ($interface->hasNativeMethod(MethodName::CONSTRUCT)) { return null; } } $changedConstructorClassMethod = $this->classMethodParamRemover->processRemoveParams($constructorClassMethod); if (!$changedConstructorClassMethod instanceof ClassMethod) { return null; } return $node; } }