Bluz\Cache\Adapter\Apc::__construct PHP Method

    public function __construct($settings = [])
    {
        if (!extension_loaded('apc')) {
            $msg = "APC extension not installed/enabled.\n                    Install and/or enable APC extension. See phpinfo() for more information";
            throw new ComponentException($msg);
        }
        parent::__construct($settings);
    }