phprs\util\Cache::__construct PHP Method

    public function __construct()
    {
        if (!function_exists('apc_fetch') || !function_exists('apc_store') || !function_exists('apc_delete')) {
            parent::__construct(new FileCache(), $this->tag);
        } else {
            parent::__construct(new ApcCache(), $this->tag);
        }
    }