CacheException example

        $expiresAt = $lifetime ? (time() + $lifetime) : 0;
        $values = $this->marshaller->marshall($values, $failed);

        foreach ($values as $id => $value) {
            if (!$this->write($this->getFile($id, true), $expiresAt."\n".rawurlencode($id)."\n".$value, $expiresAt)) {
                $failed[] = $id;
            }
        }

        if ($failed && !is_writable($this->directory)) {
            throw new CacheException(sprintf('Cache directory is not writable (%s).', $this->directory));
        }

        return $failed;
    }

    private function getFileKey(string $file): string
    {
        if (!$h = @fopen($file, 'r')) {
            return '';
        }

        

'htconfigIdleTimeout',
        'durabilityInterval',
        'durabilityTimeout',
    ];

    private \CouchbaseBucket $bucket;
    private MarshallerInterface $marshaller;

    public function __construct(\CouchbaseBucket $bucket, string $namespace = '', int $defaultLifetime = 0, MarshallerInterface $marshaller = null)
    {
        if (!static::isSupported()) {
            throw new CacheException('Couchbase >= 2.6.0 < 3.0.0 is required.');
        }

        $this->maxIdLength = static::MAX_KEY_LENGTH;

        $this->bucket = $bucket;

        parent::__construct($namespace, $defaultLifetime);
        $this->enableVersioning();
        $this->marshaller = $marshaller ?? new DefaultMarshaller();
    }

    

class ApcuAdapter extends AbstractAdapter
{
    private ?MarshallerInterface $marshaller;

    /** * @throws CacheException if APCu is not enabled */
    public function __construct(string $namespace = '', int $defaultLifetime = 0, string $version = null, MarshallerInterface $marshaller = null)
    {
        if (!static::isSupported()) {
            throw new CacheException('APCu is not enabled.');
        }
        if ('cli' === \PHP_SAPI) {
            ini_set('apc.use_request_time', 0);
        }
        parent::__construct($namespace, $defaultLifetime);

        if (null !== $version) {
            CacheItem::validateKey($version);

            if (!apcu_exists($version.'@'.$namespace)) {
                $this->doClear($namespace);
                

class CouchbaseCollectionAdapter extends AbstractAdapter
{
    private const MAX_KEY_LENGTH = 250;

    private Collection $connection;
    private MarshallerInterface $marshaller;

    public function __construct(Collection $connection, string $namespace = '', int $defaultLifetime = 0, MarshallerInterface $marshaller = null)
    {
        if (!static::isSupported()) {
            throw new CacheException('Couchbase >= 3.0.0 < 4.0.0 is required.');
        }

        $this->maxIdLength = static::MAX_KEY_LENGTH;

        $this->connection = $connection;

        parent::__construct($namespace, $defaultLifetime);
        $this->enableVersioning();
        $this->marshaller = $marshaller ?? new DefaultMarshaller();
    }

    

public static function createConnection(#[\SensitiveParameter] string $dsn, array $options = []): \Redis|\RedisArray|\RedisCluster|\Predis\ClientInterface|Relay     {
        if (str_starts_with($dsn, 'redis:')) {
            $scheme = 'redis';
        } elseif (str_starts_with($dsn, 'rediss:')) {
            $scheme = 'rediss';
        } else {
            throw new InvalidArgumentException('Invalid Redis DSN: it does not start with "redis[s]:".');
        }

        if (!\extension_loaded('redis') && !class_exists(\Predis\Client::class)) {
            throw new CacheException('Cannot find the "redis" extension nor the "predis/predis" package.');
        }

        $params = preg_replace_callback('#^'.$scheme.':(//)?(?:(?:(?<user>[^:@]*+):)?(?<password>[^@]*+)@)?#', function D$m) use (&$auth) {
            if (isset($m['password'])) {
                if (\in_array($m['user'], ['', 'default'], true)) {
                    $auth = $m['password'];
                } else {
                    $auth = [$m['user'], $m['password']];
                }

                if ('' === $auth) {
                    

class DefaultMarshaller implements MarshallerInterface
{
    private bool $useIgbinarySerialize = true;
    private bool $throwOnSerializationFailure = false;

    public function __construct(bool $useIgbinarySerialize = null, bool $throwOnSerializationFailure = false)
    {
        if (null === $useIgbinarySerialize) {
            $useIgbinarySerialize = \extension_loaded('igbinary') && version_compare('3.1.6', phpversion('igbinary'), '<=');
        } elseif ($useIgbinarySerialize && (!\extension_loaded('igbinary') || version_compare('3.1.6', phpversion('igbinary'), '>'))) {
            throw new CacheException(\extension_loaded('igbinary') ? 'Please upgrade the "igbinary" PHP extension to v3.1.6 or higher.' : 'The "igbinary" PHP extension is not loaded.');
        }
        $this->useIgbinarySerialize = $useIgbinarySerialize;
        $this->throwOnSerializationFailure = $throwOnSerializationFailure;
    }

    public function marshall(array $values, ?array &$failed): array
    {
        $serialized = $failed = [];

        foreach ($values as $id => $value) {
            try {
                

class DeflateMarshaller implements MarshallerInterface
{
    private MarshallerInterface $marshaller;

    public function __construct(MarshallerInterface $marshaller)
    {
        if (!\function_exists('gzdeflate')) {
            throw new CacheException('The "zlib" PHP extension is not loaded.');
        }

        $this->marshaller = $marshaller;
    }

    public function marshall(array $values, ?array &$failed): array
    {
        return array_map('gzdeflate', $this->marshaller->marshall($values, $failed));
    }

    public function unmarshall(string $value): mixed
    {

private MarshallerInterface $marshaller;
    private array $decryptionKeys;

    /** * @param string[] $decryptionKeys The key at index "0" is required and is used to decrypt and encrypt values; * more rotating keys can be provided to decrypt values; * each key must be generated using sodium_crypto_box_keypair() */
    public function __construct(array $decryptionKeys, MarshallerInterface $marshaller = null)
    {
        if (!self::isSupported()) {
            throw new CacheException('The "sodium" PHP extension is not loaded.');
        }

        if (!isset($decryptionKeys[0])) {
            throw new InvalidArgumentException('At least one decryption key must be provided at index "0".');
        }

        $this->marshaller = $marshaller ?? new DefaultMarshaller();
        $this->decryptionKeys = $decryptionKeys;
    }

    public static function isSupported(): bool
    {

// Since OPcache only compiles files older than the script execution start, set the file's mtime in the past             $ok = $this->write($file, "<?php //{$encodedKey}\n\n{$value}\n", self::$startTime - 10) && $ok;

            if ($allowCompile) {
                @opcache_invalidate($file, true);
                @opcache_compile_file($file);
            }
            unset(self::$valuesCache[$file]);
        }

        if (!$ok && !is_writable($this->directory)) {
            throw new CacheException(sprintf('Cache directory is not writable (%s).', $this->directory));
        }

        return $ok;
    }

    protected function doClear(string $namespace): bool
    {
        $this->values = [];

        return $this->doCommonClear($namespace);
    }

    

    public function __construct(\Memcached $client, string $namespace = '', int $defaultLifetime = 0, MarshallerInterface $marshaller = null)
    {
        if (!static::isSupported()) {
            throw new CacheException('Memcached > 3.1.5 is required.');
        }
        $this->maxIdLength = self::MAX_KEY_LENGTH;

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