Class **Phalcon\\Cache\\Backend\\Memory**
=========================================

*extends* abstract class :doc:`Phalcon\\Cache\\Backend <Phalcon_Cache_Backend>`

*implements* :doc:`Phalcon\\Cache\\BackendInterface <Phalcon_Cache_BackendInterface>`

Stores content in memory. Data is lost when the request is finished  

.. code-block:: php

    <?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
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public *mixed*  **get** (*unknown* $keyName, [*unknown* $lifetime])

Returns a cached content



public  **save** ([*unknown* $keyName], [*unknown* $content], [*unknown* $lifetime], [*unknown* $stopBuffer])

Stores cached content into the backend and stops the frontend



public *boolean*  **delete** (*unknown* $keyName)

Deletes a value from the cache by its key



public *array*  **queryKeys** ([*unknown* $prefix])

Query the existing cached keys



public *boolean*  **exists** ([*unknown* $keyName], [*unknown* $lifetime])

Checks if cache exists and it hasn't expired



public *long*  **increment** ([*unknown* $keyName], [*unknown* $value])

Increment of given $keyName by $value



public *long*  **decrement** ([*unknown* $keyName], [*unknown* $value])

Decrement of $keyName by given $value



public *boolean*  **flush** ()

Immediately invalidates all existing items.



public  **getFrontend** () inherited from Phalcon\\Cache\\Backend

...


public  **setFrontend** (*unknown* $frontend) inherited from Phalcon\\Cache\\Backend

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public  **getOptions** () inherited from Phalcon\\Cache\\Backend

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public  **setOptions** (*unknown* $options) inherited from Phalcon\\Cache\\Backend

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public  **getLastKey** () inherited from Phalcon\\Cache\\Backend

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public  **setLastKey** (*unknown* $lastKey) inherited from Phalcon\\Cache\\Backend

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public  **__construct** (*unknown* $frontend, [*unknown* $options]) inherited from Phalcon\\Cache\\Backend

Phalcon\\Cache\\Backend constructor



public *mixed*  **start** (*unknown* $keyName, [*unknown* $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 *boolean*  **isFresh** () inherited from Phalcon\\Cache\\Backend

Checks whether the last cache is fresh or cached



public *boolean*  **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