BookStack\Services\SettingService::getValueFromStore PHP Метод

    protected function getValueFromStore($key, $default)
    {
        // Check for an overriding value
        $overrideValue = $this->getOverrideValue($key);
        if ($overrideValue !== null) {
            return $overrideValue;
        }
        // Check the cache
        $cacheKey = $this->cachePrefix . $key;
        if ($this->cache->has($cacheKey)) {
            return $this->cache->get($cacheKey);
        }
        // Check the database
        $settingObject = $this->getSettingObjectByKey($key);
        if ($settingObject !== null) {
            $value = $settingObject->value;
            $this->cache->forever($cacheKey, $value);
            return $value;
        }
        // Check the defaults set in the app config.
        $configPrefix = 'setting-defaults.' . $key;
        if (config()->has($configPrefix)) {
            $value = config($configPrefix);
            $this->cache->forever($cacheKey, $value);
            return $value;
        }
        return $default;
    }