# Class Phalcon\\Cache\\Multiple # Class **Phalcon\\Cache\\Multiple** Allows to read to chained backend adapters writing to multiple backends ``` <pre class="calibre14">``` <?php use Phalcon\Cache\Frontend\Data as DataFrontend, Phalcon\Cache\Multiple, Phalcon\Cache\Backend\Apc as ApcCache, Phalcon\Cache\Backend\Memcache as MemcacheCache, Phalcon\Cache\Backend\File as FileCache; $ultraFastFrontend = new DataFrontend(array( "lifetime" => 3600 )); $fastFrontend = new DataFrontend(array( "lifetime" => 86400 )); $slowFrontend = new DataFrontend(array( "lifetime" => 604800 )); //Backends are registered from the fastest to the slower $cache = new Multiple(array( new ApcCache($ultraFastFrontend, array( "prefix" => 'cache', )), new MemcacheCache($fastFrontend, array( "prefix" => 'cache', "host" => "localhost", "port" => "11211" )), new FileCache($slowFrontend, array( "prefix" => 'cache', "cacheDir" => "../app/cache/" )) )); //Save, saves in every backend $cache->save('my-key', $data); ``` ``` ### Methods public **\_\_construct** (\[*Phalcon\\Cache\\BackendInterface\[\]* $backends\]) Phalcon\\Cache\\Multiple constructor public **push** (*unknown* $backend) Adds a backend public *mixed***get** (*string|int* $keyName, \[*long* $lifetime\]) Returns a cached content reading the internal backends public **start** (*string|int* $keyName, \[*long* $lifetime\]) Starts every backend public **save** (\[*string* $keyName\], \[*string* $content\], \[*long* $lifetime\], \[*boolean* $stopBuffer\]) Stores cached content into all backends and stops the frontend public *boolean***delete** (*string|int* $keyName) Deletes a value from each backend public *boolean***exists** (\[*string|int* $keyName\], \[*long* $lifetime\]) Checks if cache exists in at least one backend | - [索引](# "总目录") - [下一页](# "Class Phalcon\Cli\Router\Route") | - [上一页](# "Class Phalcon\Cache\Frontend\Output") | - [API Indice](#) »