ef60cd4d
 Administrator
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<?php
namespace Phalcon\Cache\Frontend {
/**
* Phalcon\Cache\Frontend\Data
*
* Allows to cache native PHP data in a serialized form
*
*<code>
*
* // Cache the files for 2 days using a Data frontend
* $frontCache = new Phalcon\Cache\Frontend\Data(array(
* "lifetime" => 172800
* ));
*
* // Create the component that will cache "Data" to a "File" backend
* // Set the cache file directory - important to keep the "/" at the end of
* // of the value for the folder
* $cache = new Phalcon\Cache\Backend\File($frontCache, array(
* "cacheDir" => "../app/cache/"
* ));
*
* // Try to get cached records
* $cacheKey = 'robots_order_id.cache';
* $robots = $cache->get($cacheKey);
* if ($robots === null) {
*
* // $robots is null due to cache expiration or data does not exist
* // Make the database call and populate the variable
* $robots = Robots::find(array("order" => "id"));
*
* // Store it in the cache
* $cache->save($cacheKey, $robots);
* }
*
* // Use $robots :)
* foreach ($robots as $robot) {
* echo $robot->name, "\n";
* }
*</code>
*/
class Data implements \Phalcon\Cache\FrontendInterface {
protected $_frontendOptions;
/**
* \Phalcon\Cache\Frontend\Data constructor
*
* @param array $frontendOptions
*/
public function __construct($frontendOptions=null){ }
/**
* Returns cache lifetime
*
* @return int
*/
public function getLifetime(){ }
/**
* Check whether if frontend is buffering output
*
* @return boolean
*/
public function isBuffering(){ }
/**
* Starts output frontend. Actually, does nothing
*/
public function start(){ }
/**
* Returns output cached content
*
* @return string
*/
public function getContent(){ }
/**
* Stops output frontend
*/
public function stop(){ }
/**
* Serializes data before storing them
*
* @param mixed $data
* @return string
*/
public function beforeStore($data){ }
/**
* Unserializes data after retrieval
*
* @param mixed $data
* @return mixed
*/
public function afterRetrieve($data){ }
}
}
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