src/Memory.php
public function remember($value, $memoryDuration = null)
    {
        if (is_null($memoryDuration)) {
            $memoryDuration = $this->memoryDuration;
        }

        $key = $this->getRememberKey();

        if (Cache::has($key)) {
            $value = Cache::get($key);
        } else {
            $expiresAt = Carbon::now()->addMinutes($memoryDuration);

            if (is_callable($value)) {
                $value = $value();
            }

            Cache::put($key, $value, $expiresAt);
        }

        return $value;
    }
public function remember($value, $memoryDuration = null)
    {
        if (is_null($memoryDuration)) {
            $memoryDuration = $this->memoryDuration;
        }

        $key = $this->getRememberKey();

        if (Cache::has($key)) {
            $value = Cache::get($key);
        } else {
            $expiresAt = Carbon::now()->addMinutes($memoryDuration);

            if (is_callable($value)) {
                $value = $value();
            }

            Cache::put($key, $value, $expiresAt);
        }

        return $value;
    }
Remember the value.

@param mixed $value
@param int   $memoryDuration

@return mixed