src/Memory.php
protected function forgetByKey($key)
    {
        $result = false;

        if (Cache::has($key)) {
            $result = Cache::forget($key);
        }

        return $result;
    }
protected function forgetByKey($key)
    {
        $result = false;

        if (Cache::has($key)) {
            $result = Cache::forget($key);
        }

        return $result;
    }
Forget something by key.

@param string $key

@return bool