classMethodReturnTypeOverrideGuard = $classMethodReturnTypeOverrideGuard; $this->returnTypeInferer = $returnTypeInferer; } public function getRuleDefinition() : RuleDefinition { return new RuleDefinition('Change numeric return type based on strict returns type operations', [new CodeSample(<<<'CODE_SAMPLE' class SomeClass { public function resolve(int $first, int $second) { return $first - $second; } } CODE_SAMPLE , <<<'CODE_SAMPLE' class SomeClass { public function resolve(int $first, int $second): int { return $first - $second; } } CODE_SAMPLE )]); } /** * @return array> */ public function getNodeTypes() : array { return [ClassMethod::class, Function_::class, Closure::class]; } /** * @param ClassMethod|Function_|Closure $node */ public function refactorWithScope(Node $node, Scope $scope) : ?Node { if ($node->returnType instanceof Node) { return null; } if ($node->stmts === null) { return null; } if ($node instanceof ClassMethod && $this->classMethodReturnTypeOverrideGuard->shouldSkipClassMethod($node, $scope)) { return null; } $returnType = $this->returnTypeInferer->inferFunctionLike($node); if ($returnType->isFloat()->yes()) { $node->returnType = new Identifier('float'); return $node; } if ($returnType->isInteger()->yes()) { $node->returnType = new Identifier('int'); return $node; } return null; } public function provideMinPhpVersion() : int { return PhpVersionFeature::SCALAR_TYPES; } }