class Apcu4Backend

Stores cache items in the Alternative PHP Cache User Cache (APCu).

This class is used with APCu versions >= 4.0.0 and < 5.0.0.

Hierarchy

Expanded class hierarchy of Apcu4Backend

Deprecated

in drupal:8.8.0 and is removed from from drupal:9.0.0. Use \Drupal\Core\Cache\ApcuBackend instead.

See also

https://www.drupal.org/node/3063510

File

core/lib/Drupal/Core/Cache/Apcu4Backend.php, line 17

Namespace

Drupal\Core\Cache
View source 
class Apcu4Backend extends ApcuBackend {
    
    /**
     * {@inheritdoc}
     *
     * @return \APCIterator
     */
    protected function getIterator($search = NULL, $format = APC_ITER_ALL, $chunk_size = 100, $list = APC_LIST_ACTIVE) {
        return new \APCIterator('user', $search, $format, $chunk_size, $list);
    }

}

Members

Title Modifiers Object type Summary Overriden Title
Apcu4Backend::getIterator protected function Overrides ApcuBackend::getIterator
ApcuBackend::$bin protected property The name of the cache bin to use.
ApcuBackend::$binPrefix protected property Prefix for all keys in this cache bin.
ApcuBackend::$checksumProvider protected property The cache tags checksum provider.
ApcuBackend::$sitePrefix protected property Prefix for all keys in the storage that belong to this site.
ApcuBackend::delete public function Deletes an item from the cache. Overrides CacheBackendInterface::delete
ApcuBackend::deleteAll public function Deletes all cache items in a bin. Overrides CacheBackendInterface::deleteAll
ApcuBackend::deleteMultiple public function Deletes multiple items from the cache. Overrides CacheBackendInterface::deleteMultiple
ApcuBackend::garbageCollection public function Performs garbage collection on a cache bin. Overrides CacheBackendInterface::garbageCollection
ApcuBackend::get public function Returns data from the persistent cache. Overrides CacheBackendInterface::get
ApcuBackend::getAll protected function Returns all cached items, optionally limited by a cache ID prefix.
ApcuBackend::getApcuKey public function Prepends the APCu user variable prefix for this bin to a cache item ID.
ApcuBackend::getMultiple public function Returns data from the persistent cache when given an array of cache IDs. Overrides CacheBackendInterface::getMultiple
ApcuBackend::invalidate public function Marks a cache item as invalid. Overrides CacheBackendInterface::invalidate
ApcuBackend::invalidateAll public function Marks all cache items as invalid. Overrides CacheBackendInterface::invalidateAll
ApcuBackend::invalidateMultiple public function Marks cache items as invalid. Overrides CacheBackendInterface::invalidateMultiple
ApcuBackend::prepareItem protected function Prepares a cached item.
ApcuBackend::removeBin public function Remove a cache bin. Overrides CacheBackendInterface::removeBin
ApcuBackend::set public function Stores data in the persistent cache. Overrides CacheBackendInterface::set
ApcuBackend::setMultiple public function Store multiple items in the persistent cache. Overrides CacheBackendInterface::setMultiple
ApcuBackend::__construct public function Constructs a new ApcuBackend instance.
CacheBackendInterface::CACHE_PERMANENT constant Indicates that the item should never be removed unless explicitly deleted.

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