Aws\S3\S3MultiRegionClient::executeAsync PHP Method

    public function executeAsync(CommandInterface $c)
    {
        return Promise\coroutine(function () use($c) {
            if ($region = $this->cache->get($this->getCacheKey($c['Bucket']))) {
                $c = $this->getRegionalizedCommand($c, $region);
            }
            try {
                (yield parent::executeAsync($c));
            } catch (PermanentRedirectException $e) {
                if (empty($c['Bucket'])) {
                    throw $e;
                }
                $region = (yield $this->lookupBucketRegion($c['Bucket']));
                $this->cache->set($this->getCacheKey($c['Bucket']), $region);
                $c = $this->getRegionalizedCommand($c, $region);
                (yield parent::executeAsync($c));
            }
        });
    }