extends class Phalcon\Cache\Frontend\Data
implements Phalcon\Cache\FrontendInterface
Allows to cache data converting/deconverting them to base64. This adapters uses the base64_encode/base64_decode PHP’s functions
<?php
// 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;
public string beforeStore (mixed $data)
Serializes data before storing them
public mixed afterRetrieve (mixed $data)
Unserializes data after retrieval
public __construct ([array $frontendOptions]) inherited from Phalcon\Cache\Frontend\Data
Phalcon\Cache\Frontend\Data constructor
public int getLifetime () inherited from Phalcon\Cache\Frontend\Data
Returns cache lifetime
public boolean isBuffering () inherited from Phalcon\Cache\Frontend\Data
Check whether if frontend is buffering output
public start () inherited from Phalcon\Cache\Frontend\Data
Starts output frontend. Actually, does nothing
public string getContent () inherited from Phalcon\Cache\Frontend\Data
Returns output cached content
public stop () inherited from Phalcon\Cache\Frontend\Data
Stops output frontend