None.php
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<?php
namespace Phalcon\Cache\Frontend {
/**
* Phalcon\Cache\Frontend\None
*
* Discards any kind of frontend data input. This frontend does not have expiration time or any other options
*
*<code>
*
* //Create a None Cache
* $frontCache = new Phalcon\Cache\Frontend\None();
*
* // Create the component that will cache "Data" to a "Memcached" backend
* // Memcached connection settings
* $cache = new Phalcon\Cache\Backend\Memcache($frontCache, array(
* "host" => "localhost",
* "port" => "11211"
* ));
*
* // This Frontend always return the data as it's returned by the backend
* $cacheKey = 'robots_order_id.cache';
* $robots = $cache->get($cacheKey);
* if ($robots === null) {
*
* // This cache doesn't perform any expiration checking, so the data is always expired
* // Make the database call and populate the variable
* $robots = Robots::find(array("order" => "id"));
*
* $cache->save($cacheKey, $robots);
* }
*
* // Use $robots :)
* foreach ($robots as $robot) {
* echo $robot->name, "\n";
* }
*</code>
*/
class None implements \Phalcon\Cache\FrontendInterface {
/**
* Returns cache lifetime, always one second expiring content
*
* @return int
*/
public function getLifetime(){ }
/**
* Check whether if frontend is buffering output, always false
*
* @return boolean
*/
public function isBuffering(){ }
/**
* Starts output frontend
*/
public function start(){ }
/**
* Returns output cached content
*
* @return string
*/
public function getContent(){ }
/**
* Stops output frontend
*/
public function stop(){ }
/**
* Prepare data to be stored
*
* @param mixed $data
*/
public function beforeStore($data){ }
/**
* Prepares data to be retrieved to user
*
* @param mixed $data
*/
public function afterRetrieve($data){ }
}
}