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<?php
namespace Phalcon\Cache {
/**
* Phalcon\Cache\Multiple
*
* Allows to read to chained backends writing to multiple backends
*
*<code>
* 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);
*</code>
*/
class Multiple {
protected $_backends;
/**
* \Phalcon\Cache\Multiple constructor
*
* @param \Phalcon\Cache\BackendInterface[] $backends
*/
public function __construct($backends=null){ }
/**
* Adds a backend
*
* @param \Phalcon\Cache\BackendInterface $backend
* @return \Phalcon\Cache\Multiple
*/
public function push($backend){ }
/**
* Returns a cached content reading the internal backends
*
* @param string $keyName
* @param long $lifetime
* @return mixed
*/
public function get($keyName, $lifetime=null){ }
/**
* Starts every backend
*
* @param int|string $keyName
* @param long $lifetime
* @return mixed
*/
public function start($keyName, $lifetime=null){ }
/**
* Stores cached content into all backends and stops the frontend
*
* @param string $keyName
* @param string $content
* @param long $lifetime
* @param boolean $stopBuffer
*/
public function save($keyName=null, $content=null, $lifetime=null, $stopBuffer=null){ }
/**
* Deletes a value from each backend
*
* @param int|string $keyName
* @return boolean
*/
public function delete($keyName){ }
/**
* Checks if cache exists in at least one backend
*
* @param string $keyName
* @param long $lifetime
* @return boolean
*/
public function exists($keyName=null, $lifetime=null){ }
}
}
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