* * // Cache the files for 2 days using a Base64 frontend * $frontCache = new Phalcon\Cache\Frontend\Base64(array( * "lifetime" => 172800 * )); * * //Create a MongoDB cache * $cache = new Phalcon\Cache\Backend\Mongo($frontCache, array( * 'server' => "mongodb://localhost", * 'db' => 'caches', * 'collection' => 'images' * )); * * // Try to get cached image * $cacheKey = 'some-image.jpg.cache'; * $image = $cache->get($cacheKey); * if ($image === null) { * * // Store the image in the cache * $cache->save($cacheKey, file_get_contents('tmp-dir/some-image.jpg')); * } * * header('Content-Type: image/jpeg'); * echo $image; * */ class Base64 implements \Phalcon\Cache\FrontendInterface { protected $_frontendOptions; /** * \Phalcon\Cache\Frontend\Base64 constructor * * @param array $frontendOptions */ public function __construct($frontendOptions=null){ } /** * Returns the cache lifetime * * @return integer */ 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){ } } }