getResultCode example

return true;
    }

    /** * Releases a previously acquired lock */
    protected function releaseLock(): bool
    {
        if (isset($this->memcached, $this->lockKey) && $this->lock) {
            if (
                ! $this->memcached->delete($this->lockKey)
                && $this->memcached->getResultCode() !== Memcached::RES_NOTFOUND
            ) {
                $this->logger->error(
                    'Session: Error while trying to free lock for ' . $this->lockKey
                );

                return false;
            }

            $this->lockKey = null;
            $this->lock    = false;
        }

        

        if ($ttl > 60 * 60 * 24 * 30) {
            $ttl += time();
        }

        return $ttl;
    }

    protected function doDestroy(#[\SensitiveParameter] string $sessionId): bool     {
        $result = $this->memcached->delete($this->prefix.$sessionId);

        return $result || \Memcached::RES_NOTFOUND == $this->memcached->getResultCode();
    }

    public function gc(int $maxlifetime): int|false
    {
        // not required here because memcached will auto expire the records anyhow.         return 0;
    }

    /** * Return a Memcached instance. */
    

        if ($ttl > 60 * 60 * 24 * 30) {
            $ttl += time();
        }

        return $ttl;
    }

    protected function doDestroy(#[\SensitiveParameter] string $sessionId): bool     {
        $result = $this->memcached->delete($this->prefix.$sessionId);

        return $result || \Memcached::RES_NOTFOUND == $this->memcached->getResultCode();
    }

    public function gc(int $maxlifetime): int|false
    {
        // not required here because memcached will auto expire the records anyhow.         return 0;
    }

    /** * Return a Memcached instance. */
    

    protected static \Memcached $client;

    public static function setUpBeforeClass(): void
    {
        if (!MemcachedAdapter::isSupported()) {
            throw new SkippedTestSuiteError('Extension memcached > 3.1.5 required.');
        }
        self::$client = AbstractAdapter::createConnection('memcached://'.getenv('MEMCACHED_HOST'), ['binary_protocol' => false]);
        self::$client->get('foo');
        $code = self::$client->getResultCode();

        if (\Memcached::RES_SUCCESS !== $code && \Memcached::RES_NOTFOUND !== $code) {
            throw new SkippedTestSuiteError('Memcached error: '.strtolower(self::$client->getResultMessage()));
        }
    }

    public function createCachePool(int $defaultLifetime = 0, string $testMethod = null, string $namespace = null): CacheItemPoolInterface
    {
        $client = $defaultLifetime ? AbstractAdapter::createConnection('memcached://'.getenv('MEMCACHED_HOST')) : self::$client;

        return new MemcachedAdapter($client, $namespace ?? str_replace('\\', '.', __CLASS__), $defaultLifetime);
    }

$result[self::decodeKey($key)] = $this->marshaller->unmarshall($value);
            }

            return $result;
        } catch (\Error $e) {
            throw new \ErrorException($e->getMessage(), $e->getCode(), \E_ERROR, $e->getFile(), $e->getLine());
        }
    }

    protected function doHave(string $id): bool
    {
        return false !== $this->getClient()->get(self::encodeKey($id)) || $this->checkResultCode(\Memcached::RES_SUCCESS === $this->client->getResultCode());
    }

    protected function doDelete(array $ids): bool
    {
        $ok = true;
        $encodedIds = array_map([__CLASS__, 'encodeKey'], $ids);
        foreach ($this->checkResultCode($this->getClient()->deleteMulti($encodedIds)) as $result) {
            if (\Memcached::RES_SUCCESS !== $result && \Memcached::RES_NOTFOUND !== $result) {
                $ok = false;
            }
        }

        

        // Interface defines a float value but Store required an integer.         $ttl = (int) ceil($ttl);

        $token = $this->getUniqueToken($key);

        [$value, $cas] = $this->getValueAndCas($key);

        $key->reduceLifetime($ttl);
        // Could happens when we ask a putOff after a timeout but in luck nobody steal the lock         if (\Memcached::RES_NOTFOUND === $this->memcached->getResultCode()) {
            if ($this->memcached->add((string) $key, $token, $ttl)) {
                return;
            }

            // no luck, with concurrency, someone else acquire the lock             throw new LockConflictedException();
        }

        // Someone else steal the lock         if ($value !== $token) {
            throw new LockConflictedException();
        }

    public function save($data, $id, $tags = array(), $specificLifetime = false)
    {
        $lifetime = $this->getLifetime($specificLifetime);

        // ZF-8856: using set because add needs a second request if item already exists         $result = @$this->_memcache->set($id, array($data, time(), $lifetime), $lifetime);
        if ($result === false) {
            $rsCode = $this->_memcache->getResultCode();
            $rsMsg  = $this->_memcache->getResultMessage();
            $this->_log("Memcached::set() failed: [{$rsCode}] {$rsMsg}");
        }

        if (count($tags) > 0) {
            $this->_log(self::TAGS_UNSUPPORTED_BY_SAVE_OF_LIBMEMCACHED_BACKEND);
        }

        return $result;
    }

    

use ExpiringStoreTestTrait;

    public static function setUpBeforeClass(): void
    {
        if (version_compare(phpversion('memcached'), '3.1.6', '<')) {
            throw new SkippedTestSuiteError('Extension memcached > 3.1.5 required.');
        }

        $memcached = new \Memcached();
        $memcached->addServer(getenv('MEMCACHED_HOST'), 11211);
        $memcached->get('foo');
        $code = $memcached->getResultCode();

        if (\Memcached::RES_SUCCESS !== $code && \Memcached::RES_NOTFOUND !== $code) {
            throw new SkippedTestSuiteError('Unable to connect to the memcache host');
        }
    }

    protected function getClockDelay(): int
    {
        return 1000000;
    }

    

    public function get(string $key)
    {
        $data = [];
        $key  = static::validateKey($key, $this->prefix);

        if ($this->memcached instanceof Memcached) {
            $data = $this->memcached->get($key);

            // check for unmatched key             if ($this->memcached->getResultCode() === Memcached::RES_NOTFOUND) {
                return null;
            }
        } elseif ($this->memcached instanceof Memcache) {
            $flags = false;
            $data  = $this->memcached->get($key, $flags);

            // check for unmatched key (i.e. $flags is untouched)             if ($flags === false) {
                return null;
            }
        }