FluidTYPO3\Fluidpages\Backend\BackendLayoutDataProvider::ensureDottedKeys PHP Method

    protected function ensureDottedKeys(array $configuration)
    {
        $converted = [];
        foreach ($configuration as $key => $value) {
            if (true === is_array($value)) {
                $key = rtrim($key, '.') . '.';
                $value = $this->ensureDottedKeys($value);
            }
            $converted[$key] = $value;
        }
        return $converted;
    }