diff options
Diffstat (limited to 'srcs/phpmyadmin/vendor/symfony/cache/Traits')
16 files changed, 3190 insertions, 0 deletions
diff --git a/srcs/phpmyadmin/vendor/symfony/cache/Traits/AbstractAdapterTrait.php b/srcs/phpmyadmin/vendor/symfony/cache/Traits/AbstractAdapterTrait.php new file mode 100644 index 0000000..8bf9354 --- /dev/null +++ b/srcs/phpmyadmin/vendor/symfony/cache/Traits/AbstractAdapterTrait.php @@ -0,0 +1,155 @@ +<?php + +/* + * This file is part of the Symfony package. + * + * (c) Fabien Potencier <fabien@symfony.com> + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +namespace Symfony\Component\Cache\Traits; + +use Psr\Cache\CacheItemInterface; +use Symfony\Component\Cache\CacheItem; + +/** + * @author Nicolas Grekas <p@tchwork.com> + * + * @internal + */ +trait AbstractAdapterTrait +{ + use AbstractTrait; + + /** + * @var \Closure needs to be set by class, signature is function(string <key>, mixed <value>, bool <isHit>) + */ + private $createCacheItem; + + /** + * @var \Closure needs to be set by class, signature is function(array <deferred>, string <namespace>, array <&expiredIds>) + */ + private $mergeByLifetime; + + /** + * {@inheritdoc} + */ + public function getItem($key) + { + if ($this->deferred) { + $this->commit(); + } + $id = $this->getId($key); + + $f = $this->createCacheItem; + $isHit = false; + $value = null; + + try { + foreach ($this->doFetch([$id]) as $value) { + $isHit = true; + } + + return $f($key, $value, $isHit); + } catch (\Exception $e) { + CacheItem::log($this->logger, 'Failed to fetch key "{key}": '.$e->getMessage(), ['key' => $key, 'exception' => $e]); + } + + return $f($key, null, false); + } + + /** + * {@inheritdoc} + */ + public function getItems(array $keys = []) + { + if ($this->deferred) { + $this->commit(); + } + $ids = []; + + foreach ($keys as $key) { + $ids[] = $this->getId($key); + } + try { + $items = $this->doFetch($ids); + } catch (\Exception $e) { + CacheItem::log($this->logger, 'Failed to fetch items: '.$e->getMessage(), ['keys' => $keys, 'exception' => $e]); + $items = []; + } + $ids = array_combine($ids, $keys); + + return $this->generateItems($items, $ids); + } + + /** + * {@inheritdoc} + * + * @return bool + */ + public function save(CacheItemInterface $item) + { + if (!$item instanceof CacheItem) { + return false; + } + $this->deferred[$item->getKey()] = $item; + + return $this->commit(); + } + + /** + * {@inheritdoc} + * + * @return bool + */ + public function saveDeferred(CacheItemInterface $item) + { + if (!$item instanceof CacheItem) { + return false; + } + $this->deferred[$item->getKey()] = $item; + + return true; + } + + public function __sleep() + { + throw new \BadMethodCallException('Cannot serialize '.__CLASS__); + } + + public function __wakeup() + { + throw new \BadMethodCallException('Cannot unserialize '.__CLASS__); + } + + public function __destruct() + { + if ($this->deferred) { + $this->commit(); + } + } + + private function generateItems(iterable $items, array &$keys): iterable + { + $f = $this->createCacheItem; + + try { + foreach ($items as $id => $value) { + if (!isset($keys[$id])) { + $id = key($keys); + } + $key = $keys[$id]; + unset($keys[$id]); + yield $key => $f($key, $value, true); + } + } catch (\Exception $e) { + CacheItem::log($this->logger, 'Failed to fetch items: '.$e->getMessage(), ['keys' => array_values($keys), 'exception' => $e]); + } + + foreach ($keys as $key) { + yield $key => $f($key, null, false); + } + } +} diff --git a/srcs/phpmyadmin/vendor/symfony/cache/Traits/AbstractTrait.php b/srcs/phpmyadmin/vendor/symfony/cache/Traits/AbstractTrait.php new file mode 100644 index 0000000..f9a1d8f --- /dev/null +++ b/srcs/phpmyadmin/vendor/symfony/cache/Traits/AbstractTrait.php @@ -0,0 +1,295 @@ +<?php + +/* + * This file is part of the Symfony package. + * + * (c) Fabien Potencier <fabien@symfony.com> + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +namespace Symfony\Component\Cache\Traits; + +use Psr\Log\LoggerAwareTrait; +use Symfony\Component\Cache\CacheItem; + +/** + * @author Nicolas Grekas <p@tchwork.com> + * + * @internal + */ +trait AbstractTrait +{ + use LoggerAwareTrait; + + private $namespace; + private $namespaceVersion = ''; + private $versioningIsEnabled = false; + private $deferred = []; + private $ids = []; + + /** + * @var int|null The maximum length to enforce for identifiers or null when no limit applies + */ + protected $maxIdLength; + + /** + * Fetches several cache items. + * + * @param array $ids The cache identifiers to fetch + * + * @return array|\Traversable The corresponding values found in the cache + */ + abstract protected function doFetch(array $ids); + + /** + * Confirms if the cache contains specified cache item. + * + * @param string $id The identifier for which to check existence + * + * @return bool True if item exists in the cache, false otherwise + */ + abstract protected function doHave($id); + + /** + * Deletes all items in the pool. + * + * @param string $namespace The prefix used for all identifiers managed by this pool + * + * @return bool True if the pool was successfully cleared, false otherwise + */ + abstract protected function doClear($namespace); + + /** + * Removes multiple items from the pool. + * + * @param array $ids An array of identifiers that should be removed from the pool + * + * @return bool True if the items were successfully removed, false otherwise + */ + abstract protected function doDelete(array $ids); + + /** + * Persists several cache items immediately. + * + * @param array $values The values to cache, indexed by their cache identifier + * @param int $lifetime The lifetime of the cached values, 0 for persisting until manual cleaning + * + * @return array|bool The identifiers that failed to be cached or a boolean stating if caching succeeded or not + */ + abstract protected function doSave(array $values, $lifetime); + + /** + * {@inheritdoc} + * + * @return bool + */ + public function hasItem($key) + { + $id = $this->getId($key); + + if (isset($this->deferred[$key])) { + $this->commit(); + } + + try { + return $this->doHave($id); + } catch (\Exception $e) { + CacheItem::log($this->logger, 'Failed to check if key "{key}" is cached: '.$e->getMessage(), ['key' => $key, 'exception' => $e]); + + return false; + } + } + + /** + * {@inheritdoc} + * + * @param string $prefix + * + * @return bool + */ + public function clear(/*string $prefix = ''*/) + { + $prefix = 0 < \func_num_args() ? (string) func_get_arg(0) : ''; + $this->deferred = []; + if ($cleared = $this->versioningIsEnabled) { + $namespaceVersion = substr_replace(base64_encode(pack('V', mt_rand())), static::NS_SEPARATOR, 5); + try { + $cleared = $this->doSave([static::NS_SEPARATOR.$this->namespace => $namespaceVersion], 0); + } catch (\Exception $e) { + $cleared = false; + } + if ($cleared = true === $cleared || [] === $cleared) { + $this->namespaceVersion = $namespaceVersion; + $this->ids = []; + } + } + + try { + return $this->doClear($this->namespace.$prefix) || $cleared; + } catch (\Exception $e) { + CacheItem::log($this->logger, 'Failed to clear the cache: '.$e->getMessage(), ['exception' => $e]); + + return false; + } + } + + /** + * {@inheritdoc} + * + * @return bool + */ + public function deleteItem($key) + { + return $this->deleteItems([$key]); + } + + /** + * {@inheritdoc} + * + * @return bool + */ + public function deleteItems(array $keys) + { + $ids = []; + + foreach ($keys as $key) { + $ids[$key] = $this->getId($key); + unset($this->deferred[$key]); + } + + try { + if ($this->doDelete($ids)) { + return true; + } + } catch (\Exception $e) { + } + + $ok = true; + + // When bulk-delete failed, retry each item individually + foreach ($ids as $key => $id) { + try { + $e = null; + if ($this->doDelete([$id])) { + continue; + } + } catch (\Exception $e) { + } + $message = 'Failed to delete key "{key}"'.($e instanceof \Exception ? ': '.$e->getMessage() : '.'); + CacheItem::log($this->logger, $message, ['key' => $key, 'exception' => $e]); + $ok = false; + } + + return $ok; + } + + /** + * Enables/disables versioning of items. + * + * When versioning is enabled, clearing the cache is atomic and doesn't require listing existing keys to proceed, + * but old keys may need garbage collection and extra round-trips to the back-end are required. + * + * Calling this method also clears the memoized namespace version and thus forces a resynchonization of it. + * + * @param bool $enable + * + * @return bool the previous state of versioning + */ + public function enableVersioning($enable = true) + { + $wasEnabled = $this->versioningIsEnabled; + $this->versioningIsEnabled = (bool) $enable; + $this->namespaceVersion = ''; + $this->ids = []; + + return $wasEnabled; + } + + /** + * {@inheritdoc} + */ + public function reset() + { + if ($this->deferred) { + $this->commit(); + } + $this->namespaceVersion = ''; + $this->ids = []; + } + + /** + * Like the native unserialize() function but throws an exception if anything goes wrong. + * + * @param string $value + * + * @return mixed + * + * @throws \Exception + * + * @deprecated since Symfony 4.2, use DefaultMarshaller instead. + */ + protected static function unserialize($value) + { + @trigger_error(sprintf('The "%s::unserialize()" method is deprecated since Symfony 4.2, use DefaultMarshaller instead.', __CLASS__), E_USER_DEPRECATED); + + if ('b:0;' === $value) { + return false; + } + $unserializeCallbackHandler = ini_set('unserialize_callback_func', __CLASS__.'::handleUnserializeCallback'); + try { + if (false !== $value = unserialize($value)) { + return $value; + } + throw new \DomainException('Failed to unserialize cached value'); + } catch (\Error $e) { + throw new \ErrorException($e->getMessage(), $e->getCode(), E_ERROR, $e->getFile(), $e->getLine()); + } finally { + ini_set('unserialize_callback_func', $unserializeCallbackHandler); + } + } + + private function getId($key): string + { + if ($this->versioningIsEnabled && '' === $this->namespaceVersion) { + $this->ids = []; + $this->namespaceVersion = '1'.static::NS_SEPARATOR; + try { + foreach ($this->doFetch([static::NS_SEPARATOR.$this->namespace]) as $v) { + $this->namespaceVersion = $v; + } + if ('1'.static::NS_SEPARATOR === $this->namespaceVersion) { + $this->namespaceVersion = substr_replace(base64_encode(pack('V', time())), static::NS_SEPARATOR, 5); + $this->doSave([static::NS_SEPARATOR.$this->namespace => $this->namespaceVersion], 0); + } + } catch (\Exception $e) { + } + } + + if (\is_string($key) && isset($this->ids[$key])) { + return $this->namespace.$this->namespaceVersion.$this->ids[$key]; + } + CacheItem::validateKey($key); + $this->ids[$key] = $key; + + if (null === $this->maxIdLength) { + return $this->namespace.$this->namespaceVersion.$key; + } + if (\strlen($id = $this->namespace.$this->namespaceVersion.$key) > $this->maxIdLength) { + // Use MD5 to favor speed over security, which is not an issue here + $this->ids[$key] = $id = substr_replace(base64_encode(hash('md5', $key, true)), static::NS_SEPARATOR, -(\strlen($this->namespaceVersion) + 2)); + $id = $this->namespace.$this->namespaceVersion.$id; + } + + return $id; + } + + /** + * @internal + */ + public static function handleUnserializeCallback($class) + { + throw new \DomainException('Class not found: '.$class); + } +} diff --git a/srcs/phpmyadmin/vendor/symfony/cache/Traits/ApcuTrait.php b/srcs/phpmyadmin/vendor/symfony/cache/Traits/ApcuTrait.php new file mode 100644 index 0000000..c55def6 --- /dev/null +++ b/srcs/phpmyadmin/vendor/symfony/cache/Traits/ApcuTrait.php @@ -0,0 +1,121 @@ +<?php + +/* + * This file is part of the Symfony package. + * + * (c) Fabien Potencier <fabien@symfony.com> + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +namespace Symfony\Component\Cache\Traits; + +use Symfony\Component\Cache\CacheItem; +use Symfony\Component\Cache\Exception\CacheException; + +/** + * @author Nicolas Grekas <p@tchwork.com> + * + * @internal + */ +trait ApcuTrait +{ + public static function isSupported() + { + return \function_exists('apcu_fetch') && filter_var(ini_get('apc.enabled'), FILTER_VALIDATE_BOOLEAN); + } + + private function init(string $namespace, int $defaultLifetime, ?string $version) + { + if (!static::isSupported()) { + throw new CacheException('APCu is not enabled'); + } + if ('cli' === \PHP_SAPI) { + ini_set('apc.use_request_time', 0); + } + parent::__construct($namespace, $defaultLifetime); + + if (null !== $version) { + CacheItem::validateKey($version); + + if (!apcu_exists($version.'@'.$namespace)) { + $this->doClear($namespace); + apcu_add($version.'@'.$namespace, null); + } + } + } + + /** + * {@inheritdoc} + */ + protected function doFetch(array $ids) + { + $unserializeCallbackHandler = ini_set('unserialize_callback_func', __CLASS__.'::handleUnserializeCallback'); + try { + $values = []; + foreach (apcu_fetch($ids, $ok) ?: [] as $k => $v) { + if (null !== $v || $ok) { + $values[$k] = $v; + } + } + + return $values; + } catch (\Error $e) { + throw new \ErrorException($e->getMessage(), $e->getCode(), E_ERROR, $e->getFile(), $e->getLine()); + } finally { + ini_set('unserialize_callback_func', $unserializeCallbackHandler); + } + } + + /** + * {@inheritdoc} + */ + protected function doHave($id) + { + return apcu_exists($id); + } + + /** + * {@inheritdoc} + */ + protected function doClear($namespace) + { + return isset($namespace[0]) && class_exists('APCuIterator', false) && ('cli' !== \PHP_SAPI || filter_var(ini_get('apc.enable_cli'), FILTER_VALIDATE_BOOLEAN)) + ? apcu_delete(new \APCuIterator(sprintf('/^%s/', preg_quote($namespace, '/')), APC_ITER_KEY)) + : apcu_clear_cache(); + } + + /** + * {@inheritdoc} + */ + protected function doDelete(array $ids) + { + foreach ($ids as $id) { + apcu_delete($id); + } + + return true; + } + + /** + * {@inheritdoc} + */ + protected function doSave(array $values, $lifetime) + { + try { + if (false === $failures = apcu_store($values, null, $lifetime)) { + $failures = $values; + } + + return array_keys($failures); + } catch (\Throwable $e) { + if (1 === \count($values)) { + // Workaround https://github.com/krakjoe/apcu/issues/170 + apcu_delete(key($values)); + } + + throw $e; + } + } +} diff --git a/srcs/phpmyadmin/vendor/symfony/cache/Traits/ArrayTrait.php b/srcs/phpmyadmin/vendor/symfony/cache/Traits/ArrayTrait.php new file mode 100644 index 0000000..21872c5 --- /dev/null +++ b/srcs/phpmyadmin/vendor/symfony/cache/Traits/ArrayTrait.php @@ -0,0 +1,183 @@ +<?php + +/* + * This file is part of the Symfony package. + * + * (c) Fabien Potencier <fabien@symfony.com> + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +namespace Symfony\Component\Cache\Traits; + +use Psr\Log\LoggerAwareTrait; +use Symfony\Component\Cache\CacheItem; + +/** + * @author Nicolas Grekas <p@tchwork.com> + * + * @internal + */ +trait ArrayTrait +{ + use LoggerAwareTrait; + + private $storeSerialized; + private $values = []; + private $expiries = []; + + /** + * Returns all cached values, with cache miss as null. + * + * @return array + */ + public function getValues() + { + if (!$this->storeSerialized) { + return $this->values; + } + + $values = $this->values; + foreach ($values as $k => $v) { + if (null === $v || 'N;' === $v) { + continue; + } + if (!\is_string($v) || !isset($v[2]) || ':' !== $v[1]) { + $values[$k] = serialize($v); + } + } + + return $values; + } + + /** + * {@inheritdoc} + * + * @return bool + */ + public function hasItem($key) + { + if (\is_string($key) && isset($this->expiries[$key]) && $this->expiries[$key] > microtime(true)) { + return true; + } + CacheItem::validateKey($key); + + return isset($this->expiries[$key]) && !$this->deleteItem($key); + } + + /** + * {@inheritdoc} + * + * @param string $prefix + * + * @return bool + */ + public function clear(/*string $prefix = ''*/) + { + $prefix = 0 < \func_num_args() ? (string) func_get_arg(0) : ''; + + if ('' !== $prefix) { + foreach ($this->values as $key => $value) { + if (0 === strpos($key, $prefix)) { + unset($this->values[$key], $this->expiries[$key]); + } + } + } else { + $this->values = $this->expiries = []; + } + + return true; + } + + /** + * {@inheritdoc} + * + * @return bool + */ + public function deleteItem($key) + { + if (!\is_string($key) || !isset($this->expiries[$key])) { + CacheItem::validateKey($key); + } + unset($this->values[$key], $this->expiries[$key]); + + return true; + } + + /** + * {@inheritdoc} + */ + public function reset() + { + $this->clear(); + } + + private function generateItems(array $keys, float $now, callable $f): iterable + { + foreach ($keys as $i => $key) { + if (!$isHit = isset($this->expiries[$key]) && ($this->expiries[$key] > $now || !$this->deleteItem($key))) { + $this->values[$key] = $value = null; + } else { + $value = $this->storeSerialized ? $this->unfreeze($key, $isHit) : $this->values[$key]; + } + unset($keys[$i]); + + yield $key => $f($key, $value, $isHit); + } + + foreach ($keys as $key) { + yield $key => $f($key, null, false); + } + } + + private function freeze($value, $key) + { + if (null === $value) { + return 'N;'; + } + if (\is_string($value)) { + // Serialize strings if they could be confused with serialized objects or arrays + if ('N;' === $value || (isset($value[2]) && ':' === $value[1])) { + return serialize($value); + } + } elseif (!is_scalar($value)) { + try { + $serialized = serialize($value); + } catch (\Exception $e) { + $type = \is_object($value) ? \get_class($value) : \gettype($value); + $message = sprintf('Failed to save key "{key}" of type %s: %s', $type, $e->getMessage()); + CacheItem::log($this->logger, $message, ['key' => $key, 'exception' => $e]); + + return null; + } + // Keep value serialized if it contains any objects or any internal references + if ('C' === $serialized[0] || 'O' === $serialized[0] || preg_match('/;[OCRr]:[1-9]/', $serialized)) { + return $serialized; + } + } + + return $value; + } + + private function unfreeze(string $key, bool &$isHit) + { + if ('N;' === $value = $this->values[$key]) { + return null; + } + if (\is_string($value) && isset($value[2]) && ':' === $value[1]) { + try { + $value = unserialize($value); + } catch (\Exception $e) { + CacheItem::log($this->logger, 'Failed to unserialize key "{key}": '.$e->getMessage(), ['key' => $key, 'exception' => $e]); + $value = false; + } + if (false === $value) { + $this->values[$key] = $value = null; + $isHit = false; + } + } + + return $value; + } +} diff --git a/srcs/phpmyadmin/vendor/symfony/cache/Traits/ContractsTrait.php b/srcs/phpmyadmin/vendor/symfony/cache/Traits/ContractsTrait.php new file mode 100644 index 0000000..c5827c3 --- /dev/null +++ b/srcs/phpmyadmin/vendor/symfony/cache/Traits/ContractsTrait.php @@ -0,0 +1,97 @@ +<?php + +/* + * This file is part of the Symfony package. + * + * (c) Fabien Potencier <fabien@symfony.com> + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +namespace Symfony\Component\Cache\Traits; + +use Psr\Log\LoggerInterface; +use Symfony\Component\Cache\Adapter\AdapterInterface; +use Symfony\Component\Cache\CacheItem; +use Symfony\Component\Cache\Exception\InvalidArgumentException; +use Symfony\Component\Cache\LockRegistry; +use Symfony\Contracts\Cache\CacheInterface; +use Symfony\Contracts\Cache\CacheTrait; +use Symfony\Contracts\Cache\ItemInterface; + +/** + * @author Nicolas Grekas <p@tchwork.com> + * + * @internal + */ +trait ContractsTrait +{ + use CacheTrait { + doGet as private contractsGet; + } + + private $callbackWrapper = [LockRegistry::class, 'compute']; + private $computing = []; + + /** + * Wraps the callback passed to ->get() in a callable. + * + * @return callable the previous callback wrapper + */ + public function setCallbackWrapper(?callable $callbackWrapper): callable + { + $previousWrapper = $this->callbackWrapper; + $this->callbackWrapper = $callbackWrapper ?? function (callable $callback, ItemInterface $item, bool &$save, CacheInterface $pool, \Closure $setMetadata, ?LoggerInterface $logger) { + return $callback($item, $save); + }; + + return $previousWrapper; + } + + private function doGet(AdapterInterface $pool, string $key, callable $callback, ?float $beta, array &$metadata = null) + { + if (0 > $beta = $beta ?? 1.0) { + throw new InvalidArgumentException(sprintf('Argument "$beta" provided to "%s::get()" must be a positive number, %f given.', \get_class($this), $beta)); + } + + static $setMetadata; + + $setMetadata = $setMetadata ?? \Closure::bind( + static function (CacheItem $item, float $startTime, ?array &$metadata) { + if ($item->expiry > $endTime = microtime(true)) { + $item->newMetadata[CacheItem::METADATA_EXPIRY] = $metadata[CacheItem::METADATA_EXPIRY] = $item->expiry; + $item->newMetadata[CacheItem::METADATA_CTIME] = $metadata[CacheItem::METADATA_CTIME] = (int) ceil(1000 * ($endTime - $startTime)); + } else { + unset($metadata[CacheItem::METADATA_EXPIRY], $metadata[CacheItem::METADATA_CTIME]); + } + }, + null, + CacheItem::class + ); + + return $this->contractsGet($pool, $key, function (CacheItem $item, bool &$save) use ($pool, $callback, $setMetadata, &$metadata, $key) { + // don't wrap nor save recursive calls + if (isset($this->computing[$key])) { + $value = $callback($item, $save); + $save = false; + + return $value; + } + + $this->computing[$key] = $key; + $startTime = microtime(true); + + try { + $value = ($this->callbackWrapper)($callback, $item, $save, $pool, function (CacheItem $item) use ($setMetadata, $startTime, &$metadata) { + $setMetadata($item, $startTime, $metadata); + }, $this->logger ?? null); + $setMetadata($item, $startTime, $metadata); + + return $value; + } finally { + unset($this->computing[$key]); + } + }, $beta, $metadata, $this->logger ?? null); + } +} diff --git a/srcs/phpmyadmin/vendor/symfony/cache/Traits/DoctrineTrait.php b/srcs/phpmyadmin/vendor/symfony/cache/Traits/DoctrineTrait.php new file mode 100644 index 0000000..c87ecab --- /dev/null +++ b/srcs/phpmyadmin/vendor/symfony/cache/Traits/DoctrineTrait.php @@ -0,0 +1,98 @@ +<?php + +/* + * This file is part of the Symfony package. + * + * (c) Fabien Potencier <fabien@symfony.com> + * + * For the full copyright and license information, please view the LICENSE + * file that was distributed with this source code. + */ + +namespace Symfony\Component\Cache\Traits; + +/** + * @author Nicolas Grekas <p@tchwork.com> + * + * @internal + */ +trait DoctrineTrait +{ + private $provider; + + /** + * {@inheritdoc} + */ + public function reset() + { + parent::reset(); + $this->provider->setNamespace($this->provider->getNamespace()); + } + + /** + * {@inheritdoc} + */ + protected function doFetch(array $ids) + { + $unserializeCallbackHandler = ini_set('unserialize_callback_func', parent::class.'::handleUnserializeCallback'); + try { + return $this->provider->fetchMultiple($ids); + } catch (\Error $e) { + $trace = $e->getTrace(); + + if (isset($trace[0]['function']) && !isset($trace[0]['class'])) { + switch ($trace[0]['function']) { + case 'unserialize': + case 'apcu_fetch': + case 'apc_fetch': + throw new \ErrorException($e->getMessage(), $e->getCode(), E_ERROR, $e->getFile(), $e->getLine()); + } + } + + throw $e; + } finally { + ini_set('unserialize_callback_func', $unserializeCallbackHandler); + } + } + + /** + * {@inheritdoc} + */ + protected function doHave($id) + { + return $this->provider->contains($id); + } + + /** + * {@inheritdoc} + */ + protected function doClear($namespace) + { + $namespace = $this->provider->getNamespace(); + + return isset($namespace[0]) + ? $this->provider |