Class **Phalcon\\Cache\\Backend\\Memory** ========================================= *extends* abstract class :doc:`Phalcon\\Cache\\Backend ` *implements* :doc:`Phalcon\\Cache\\BackendInterface `, Serializable .. role:: raw-html(raw) :format: html :raw-html:`Source on GitHub` Stores content in memory. Data is lost when the request is finished .. code-block:: php save('my-data', array(1, 2, 3, 4, 5)); //Get data $data = $cache->get('my-data'); Methods ------- public *mixed* **get** (*string* $keyName, [*long* $lifetime]) Returns a cached content public **save** ([*string* $keyName], [*string* $content], [*long* $lifetime], [*boolean* $stopBuffer]) Stores cached content into the backend and stops the frontend public *boolean* **delete** (*string* $keyName) Deletes a value from the cache by its key public *array* **queryKeys** ([*string|int* $prefix]) Query the existing cached keys public *boolean* **exists** ([*string|int* $keyName], [*long* $lifetime]) Checks if cache exists and it hasn'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 **serialize** () Required for interface \\Serializable public **unserialize** (*unknown* $data) Required for interface \\Serializable 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 **__construct** (:doc:`Phalcon\\Cache\\FrontendInterface ` $frontend, [*array* $options]) inherited from Phalcon\\Cache\\Backend Phalcon\\Cache\\Backend constructor 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