getResultMessage example

    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;
    }

    /** * Remove a cache record * * @param string $id Cache id * @return boolean True if no problem */

return '' === $namespace && $this->getClient()->flush();
    }

    private function checkResultCode(mixed $result): mixed
    {
        $code = $this->client->getResultCode();

        if (\Memcached::RES_SUCCESS === $code || \Memcached::RES_NOTFOUND === $code) {
            return $result;
        }

        throw new CacheException('MemcachedAdapter client error: '.strtolower($this->client->getResultMessage()));
    }

    private function getClient(): \Memcached
    {
        if (isset($this->client)) {
            return $this->client;
        }

        $opt = $this->lazyClient->getOption(\Memcached::OPT_SERIALIZER);
        if (\Memcached::SERIALIZER_PHP !== $opt && \Memcached::SERIALIZER_IGBINARY !== $opt) {
            throw new CacheException('MemcachedAdapter: "serializer" option must be "php" or "igbinary".');
        }

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);
    }

    public function testOptions()
    {