Class Phalcon\Cache\Backend\Memory · Phalcon中文文檔2.0.6

# Class Phalcon\\Cache\\Backend\\Memory # Class **Phalcon\\Cache\\Backend\\Memory** *extends* abstract class [*Phalcon\\Cache\\Backend*](#) *implements*[*Phalcon\\Cache\\BackendInterface*](#), Serializable Stores content in memory. Data is lost when the request is finished ``` <pre class="calibre14">``` <?php //Cache data $frontCache = new \Phalcon\Cache\Frontend\Data(); $cache = new \Phalcon\Cache\Backend\Memory($frontCache); //Cache arbitrary data $cache->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** ([*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 | - [索引](# "總目錄") - [下一頁](# "Class Phalcon\Cache\Backend\Mongo") | - [上一頁](# "Class Phalcon\Cache\Backend\Memcache") | - [API Indice](#) ?