Class **Phalcon\\Cache\\Backend\\Libmemcached** =============================================== *extends* abstract class :doc:`Phalcon\\Cache\\Backend ` *implements* :doc:`Phalcon\\Cache\\BackendInterface ` .. role:: raw-html(raw) :format: html :raw-html:`Source on GitHub` Allows to cache output fragments, PHP data or raw data to a libmemcached backend This adapter uses the special memcached key "_PHCM" to store all the keys internally used by the adapter .. code-block:: php 172800 )); //Create the Cache setting memcached connection options $cache = new \Phalcon\Cache\Backend\Libmemcached($frontCache, array( "servers" => array( array('host' => 'localhost', 'port' => 11211, 'weight' => 1), ), "client" => array( Memcached::OPT_HASH => Memcached::HASH_MD5, Memcached::OPT_PREFIX_KEY => 'prefix.', ) )); //Cache arbitrary data $cache->save('my-data', array(1, 2, 3, 4, 5)); //Get data $data = $cache->get('my-data'); Methods ------- public **__construct** (:doc:`Phalcon\\Cache\\FrontendInterface ` $frontend, [*array* $options]) Phalcon\\Cache\\Backend\\Memcache constructor public **_connect** () Create internal connection to memcached public *mixed* **get** (*int|string* $keyName, [*long* $lifetime]) Returns a cached content public **save** ([*int|string* $keyName], [*string* $content], [*long* $lifetime], [*boolean* $stopBuffer]) Stores cached content into the file backend and stops the frontend public *boolean* **delete** (*int|string* $keyName) Deletes a value from the cache by its key public *array* **queryKeys** ([*string* $prefix]) Query the existing cached keys public *boolean* **exists** ([*string* $keyName], [*long* $lifetime]) Checks if cache exists and it isn't expired public *long* **increment** ([*string* $keyName], [*unknown* $value]) Increment of given $keyName by $value public *long* **decrement** ([*string* $keyName], [*long* $value]) Decrement of $keyName by given $value public **flush** () Immediately invalidates all existing items. public **getFrontend** () inherited from Phalcon\\Cache\\Backend ... public **setFrontend** (*unknown* $frontend) inherited from Phalcon\\Cache\\Backend ... public **getOptions** () inherited from Phalcon\\Cache\\Backend ... public **setOptions** (*unknown* $options) inherited from Phalcon\\Cache\\Backend ... public **getLastKey** () inherited from Phalcon\\Cache\\Backend ... public **setLastKey** (*unknown* $lastKey) inherited from Phalcon\\Cache\\Backend ... public *mixed* **start** (*int|string* $keyName, [*int* $lifetime]) inherited from Phalcon\\Cache\\Backend Starts a cache. The keyname allows to identify the created fragment public **stop** ([*unknown* $stopBuffer]) inherited from Phalcon\\Cache\\Backend Stops the frontend without store any cached content public **isFresh** () inherited from Phalcon\\Cache\\Backend Checks whether the last cache is fresh or cached public **isStarted** () inherited from Phalcon\\Cache\\Backend Checks whether the cache has starting buffering or not public *int* **getLifetime** () inherited from Phalcon\\Cache\\Backend Gets the last lifetime set