Class Phalcon\Cache\Backend\Mongo
extends abstract class Phalcon\Cache\Backend
implements Phalcon\Cache\BackendInterface
Allows to cache output fragments, PHP data or raw data to a MongoDb backend
<?php
// Cache data for 2 days
$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'
));
//Cache arbitrary data
$cache->save('my-data', file_get_contents('some-image.jpg'));
//Get data
$data = $cache->get('my-data');
Methods
public __construct (unknown $frontend, [unknown $options])
Phalcon\Cache\Backend\Mongo constructor
public MongoCollection _getCollection ()
Returns a MongoDb collection based on the backend parameters
public mixed get (unknown $keyName, [unknown $lifetime])
Returns a cached content
public save ([unknown $keyName], [unknown $content], [unknown $lifetime], [unknown $stopBuffer])
Stores cached content into the file backend and stops the frontend
public boolean delete (unknown $keyName)
Deletes a value from the cache by its key
public array queryKeys ([unknown $prefix])
Query the existing cached keys
public boolean exists ([unknown $keyName], [unknown $lifetime])
Checks if cache exists and it isn’t expired
public collection->remove(…) gc ()
gc
public mixed increment (unknown $keyName, [unknown $value])
Increment of a given key by $value
public mixed decrement (int|string $keyName, [long $value])
Decrement of a given key by $value
public bool flush ()
Immediately invalidates all existing items.
public getFrontend () inherited from Phalcon\Cache\Backend
…
public setFrontend (unknown $frontend) inherited from Phalcon\Cache\Backend
…
public getOptions () inherited from Phalcon\Cache\Backend
…
public setOptions (unknown $options) inherited from Phalcon\Cache\Backend
…
public getLastKey () inherited from Phalcon\Cache\Backend
…
public setLastKey (unknown $lastKey) inherited from Phalcon\Cache\Backend
…
public mixed start (unknown $keyName, [unknown $lifetime]) inherited from Phalcon\Cache\Backend
Starts a cache. The keyname allows to identify the created fragment
public stop ([unknown $stopBuffer]) inherited from Phalcon\Cache\Backend
Stops the frontend without store any cached content
public boolean isFresh () inherited from Phalcon\Cache\Backend
Checks whether the last cache is fresh or cached
public boolean isStarted () inherited from Phalcon\Cache\Backend
Checks whether the cache has starting buffering or not
public int getLifetime () inherited from Phalcon\Cache\Backend
Gets the last lifetime set