Scalr\Modules\AbstractPlatformModule::getCachedInstanceTypes PHP Method

    protected function getCachedInstanceTypes($platform, $url, $cloudLocation)
    {
        //Gets a lifetime of the cached data from the config
        $lifetime = (int) \Scalr::config('scalr.cache.instance_types.lifetime');
        //If this lifetime equals zero it means we have to warm-up cache
        if ($lifetime === 0) {
            CloudLocation::warmUp();
            //We have no cached instance types
            return false;
        }
        //Checks whether there are active instance types in the cache taking lifetime into account.
        if (!CloudLocation::hasInstanceTypes($platform, $url, $cloudLocation, $lifetime)) {
            //No cached data
            return false;
        }
        //Fetches cloud location entity from the cache
        $cl = CloudLocation::findPk(CloudLocation::calculateCloudLocationId($platform, $cloudLocation, $url));
        //It is possible that it might have been already removed
        if (!$cl instanceof CloudLocation) {
            //No cached data
            return false;
        }
        //Retrieves an instance types for this cloud location.
        //We should actually return only active types.
        return $cl->getActiveInstanceTypes();
    }