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'' : CacheItem::validateKey($namespace).static::NS_SEPARATOR; $this->defaultLifetime = $defaultLifetime; if (null !== $this->maxIdLength && \strlen($namespace) > $this->maxIdLength - 24) { throw new InvalidArgumentException(sprintf('Namespace must be %d chars max, %d given ("%s").', $this->maxIdLength - 24, \strlen($namespace), $namespace)); } self::$createCacheItem ?? self::$createCacheItem = \Closure::bind( static function ($key, $value, $isHit) { $item = new CacheItem(); $item->key = $key; $item->value = $v = $value; $item->isHit = $isHit; // Detect wrapped values that encode for their expiry and creation duration // For compactness, these values are packed in the key of an array using // magic numbers in the form 9D-..-..-..-..-00-..-..-..-5F if (\is_array($v) && 1 === \count($v) && 10 === \strlen($k = (string) array_key_first($v)) && "\x9D" === $k[0] && "\0" === $k[5] && "\x5F" === $k[9]) { $item->value = $v[$k]; $v = unpack('Ve/Nc', substr($k, 1, -1)); $item->metadata[CacheItem::METADATA_EXPIRY] = $v['e'] + CacheItem::METADATA_EXPIRY_OFFSET; $item->metadata[CacheItem::METADATA_CTIME] = $v['c']; } return $item; }, null, CacheItem::class ); self::$mergeByLifetime ?? self::$mergeByLifetime = \Closure::bind( static function ($deferred, $namespace, &$expiredIds, $getId, $defaultLifetime) { $byLifetime = []; $now = microtime(true); $expiredIds = []; foreach ($deferred as $key => $item) { $key = (string) $key; if (null === $item->expiry) { $ttl = 0 < $defaultLifetime ? $defaultLifetime : 0; } elseif (!$item->expiry) { $ttl = 0; } elseif (0 >= $ttl = (int) (0.1 + $item->expiry - $now)) { $expiredIds[] = $getId($key); continue; } if (isset(($metadata = $item->newMetadata)[CacheItem::METADATA_TAGS])) { unset($metadata[CacheItem::METADATA_TAGS]); } // For compactness, expiry and creation duration are packed in the key of an array, using magic numbers as separators $byLifetime[$ttl][$getId($key)] = $metadata ? ["\x9D".pack('VN', (int) (0.1 + $metadata[self::METADATA_EXPIRY] - self::METADATA_EXPIRY_OFFSET), $metadata[self::METADATA_CTIME])."\x5F" => $item->value] : $item->value; } return $byLifetime; }, null, CacheItem::class ); } /** * Returns the best possible adapter that your runtime supports. * * Using ApcuAdapter makes system caches compatible with read-only filesystems. */ public static function createSystemCache(string $namespace, int $defaultLifetime, string $version, string $directory, LoggerInterface $logger = null): AdapterInterface { $opcache = new PhpFilesAdapter($namespace, $defaultLifetime, $directory, true); if (null !== $logger) { $opcache->setLogger($logger); } if (!self::$apcuSupported = self::$apcuSupported ?? ApcuAdapter::isSupported()) { return $opcache; } if (\in_array(\PHP_SAPI, ['cli', 'phpdbg'], true) && !filter_var(ini_get('apc.enable_cli'), \FILTER_VALIDATE_BOOLEAN)) { return $opcache; } $apcu = new ApcuAdapter($namespace, intdiv($defaultLifetime, 5), $version); if (null !== $logger) { $apcu->setLogger($logger); } return new ChainAdapter([$apcu, $opcache]); } public static function createConnection(string $dsn, array $options = []) { if (str_starts_with($dsn, 'redis:') || str_starts_with($dsn, 'rediss:')) { return RedisAdapter::createConnection($dsn, $options); } if (str_starts_with($dsn, 'memcached:')) { return MemcachedAdapter::createConnection($dsn, $options); } if (0 === strpos($dsn, 'couchbase:')) { if (CouchbaseBucketAdapter::isSupported()) { return CouchbaseBucketAdapter::createConnection($dsn, $options); } return CouchbaseCollectionAdapter::createConnection($dsn, $options); } throw new InvalidArgumentException(sprintf('Unsupported DSN: "%s".', $dsn)); } /** * {@inheritdoc} */ public function commit(): bool { $ok = true; $byLifetime = (self::$mergeByLifetime)($this->deferred, $this->namespace, $expiredIds, \Closure::fromCallable([$this, 'getId']), $this->defaultLifetime); $retry = $this->deferred = []; if ($expiredIds) { try { $this->doDelete($expiredIds); } catch (\Exception $e) { $ok = false; CacheItem::log($this->logger, 'Failed to delete expired items: '.$e->getMessage(), ['exception' => $e, 'cache-adapter' => get_debug_type($this)]); } } foreach ($byLifetime as $lifetime => $values) { try { $e = $this->doSave($values, $lifetime); } catch (\Exception $e) { } if (true === $e || [] === $e) { continue; } if (\is_array($e) || 1 === \count($values)) { foreach (\is_array($e) ? $e : array_keys($values) as $id) { $ok = false; $v = $values[$id]; $type = get_debug_type($v); $message = sprintf('Failed to save key "{key}" of type %s%s', $type, $e instanceof \Exception ? ': '.$e->getMessage() : '.'); CacheItem::log($this->logger, $message, ['key' => substr($id, \strlen($this->namespace)), 'exception' => $e instanceof \Exception ? $e : null, 'cache-adapter' => get_debug_type($this)]); } } else { foreach ($values as $id => $v) { $retry[$lifetime][] = $id; } } } // When bulk-save failed, retry each item individually foreach ($retry as $lifetime => $ids) { foreach ($ids as $id) { try { $v = $byLifetime[$lifetime][$id]; $e = $this->doSave([$id => $v], $lifetime); } catch (\Exception $e) { } if (true === $e || [] === $e) { continue; } $ok = false; $type = get_debug_type($v); $message = sprintf('Failed to save key "{key}" of type %s%s', $type, $e instanceof \Exception ? ': '.$e->getMessage() : '.'); CacheItem::log($this->logger, $message, ['key' => substr($id, \strlen($this->namespace)), 'exception' => $e instanceof \Exception ? $e : null, 'cache-adapter' => get_debug_type($this)]); } } return $ok; } }