Pimcore\Cache::normalizeConfig PHP Method

    protected static function normalizeConfig($config)
    {
        foreach ($config as $key => &$value) {
            if ($value === "true") {
                $value = true;
            }
            if ($value === "false") {
                $value = false;
            }
            if (is_array($value)) {
                $value = self::normalizeConfig($value);
            }
        }
        return $config;
    }