public static function getInstance($class)
    {
        $reflection = new ReflectionClass($class);
        $constructor = $reflection->getConstructor();

        if (empty($constructor)) {
            return new $class;
        }

        $parameters = $constructor->getParameters();

        if (empty($parameters)) {
            return new $class;
        }

        $dependencies = array();
        foreach ($parameters as $parameter) {
            $parameter_class = $parameter->getClass();
            $dependencies[] = static::get($parameter_class->getName());
        }

        return $reflection->newInstanceArgs($dependencies);
    }