Neos\Flow\Property\TypeConverter\ObjectConverter::buildObject PHP Method

    protected function buildObject(array &$possibleConstructorArgumentValues, $objectType)
    {
        $constructorArguments = [];
        $className = $this->objectManager->getClassNameByObjectName($objectType);
        $constructorSignature = $this->getConstructorArgumentsForClass($className);
        if (count($constructorSignature)) {
            foreach ($constructorSignature as $constructorArgumentName => $constructorArgumentReflection) {
                if (array_key_exists($constructorArgumentName, $possibleConstructorArgumentValues)) {
                    $constructorArguments[] = $possibleConstructorArgumentValues[$constructorArgumentName];
                    unset($possibleConstructorArgumentValues[$constructorArgumentName]);
                } elseif ($constructorArgumentReflection['optional'] === true) {
                    $constructorArguments[] = $constructorArgumentReflection['defaultValue'];
                } elseif ($this->objectManager->isRegistered($constructorArgumentReflection['type']) && $this->objectManager->getScope($constructorArgumentReflection['type']) === Configuration::SCOPE_SINGLETON) {
                    $constructorArguments[] = $this->objectManager->get($constructorArgumentReflection['type']);
                } else {
                    throw new InvalidTargetException('Missing constructor argument "' . $constructorArgumentName . '" for object of type "' . $objectType . '".', 1268734872);
                }
            }
            $classReflection = new \ReflectionClass($className);
            return $classReflection->newInstanceArgs($constructorArguments);
        } else {
            return new $className();
        }
    }