exactCompareFactory = $exactCompareFactory; } public function getRuleDefinition() : RuleDefinition { $errorMessage = \sprintf('Fixer for PHPStan reports by strict type rule - "%s"', 'PHPStan\\Rules\\DisallowedConstructs\\DisallowedEmptyRule'); return new RuleDefinition($errorMessage, [new ConfiguredCodeSample(<<<'CODE_SAMPLE' final class SomeEmptyArray { public function run(array $items) { return empty($items); } } CODE_SAMPLE , <<<'CODE_SAMPLE' final class SomeEmptyArray { public function run(array $items) { return $items === []; } } CODE_SAMPLE , [self::TREAT_AS_NON_EMPTY => \false])]); } /** * @return array> */ public function getNodeTypes() : array { return [Empty_::class, BooleanNot::class]; } /** * @param Empty_|BooleanNot $node */ public function refactor(Node $node) : ?\PhpParser\Node\Expr { $scope = $node->getAttribute(AttributeKey::SCOPE); if (!$scope instanceof Scope) { return null; } if ($node instanceof BooleanNot) { return $this->refactorBooleanNot($node, $scope); } if ($node->expr instanceof ArrayDimFetch) { return null; } return $this->refactorEmpty($node, $scope, $this->treatAsNonEmpty); } private function refactorBooleanNot(BooleanNot $booleanNot, Scope $scope) : ?\PhpParser\Node\Expr { if (!$booleanNot->expr instanceof Empty_) { return null; } $empty = $booleanNot->expr; $emptyExprType = $scope->getType($empty->expr); return $this->exactCompareFactory->createNotIdenticalFalsyCompare($emptyExprType, $empty->expr, $this->treatAsNonEmpty); } private function refactorEmpty(Empty_ $empty, Scope $scope, bool $treatAsNonEmpty) : ?\PhpParser\Node\Expr { $exprType = $scope->getType($empty->expr); return $this->exactCompareFactory->createIdenticalFalsyCompare($exprType, $empty->expr, $treatAsNonEmpty); } }