extends abstract class Phalcon\Cache\Backend
implements Phalcon\Cache\BackendInterface, Phalcon\Di\InjectionAwareInterface, Phalcon\Events\EventsAwareInterface
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(
'uri' => "mongodb://localhost:27017",
'db' => 'caches',
'collection' => 'images'
));
//Cache arbitrary data
$cache->save('my-data', file_get_contents('some-image.jpg'));
//Get data
$data = $cache->get('my-data');
public __construct (Phalcon\Cache\FrontendInterface $frontend, [array $options])
Phalcon\Cache\Backend\Mongo constructor
public mixed get (string $keyName, [unknown $lifetime])
Returns a cached content
public save ([string $keyName], [unknown $value], [long $lifetime], [boolean $stopBuffer])
Stores cached content into the Mongo backend and stops the frontend
public boolean delete (string $keyName)
Deletes a value from the cache by its key
public array queryKeys ([string $prefix])
Query the existing cached keys
public boolean exists (string $keyName)
Checks if cache exists and it hasn’t expired
public gc ()
...
public mixed increment (int|string $keyName, [long $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 mixed start (int|string $keyName, [long $lifetime], [unknown $nobuffer]) inherited from Phalcon\Cache\Backend
Starts a cache. The $keyname allows to identify the created fragment
public stop ([boolean $stopBuffer]) inherited from Phalcon\Cache\Backend
Stops the frontend without store any cached content
public mixed getFrontend () inherited from Phalcon\Cache\Backend
Returns front-end instance adapter related to the back-end
public array getOptions () inherited from Phalcon\Cache\Backend
Returns the backend options
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
public setDI (Phalcon\DiInterface $dependencyInjector) inherited from Phalcon\Di\Injectable
Sets the dependency injector
public Phalcon\DiInterface getDI ([unknown $error], [unknown $notUseDefault]) inherited from Phalcon\Di\Injectable
Returns the internal dependency injector
public setEventsManager (Phalcon\Events\ManagerInterface $eventsManager) inherited from Phalcon\Di\Injectable
Sets the event manager
public Phalcon\Events\ManagerInterface getEventsManager () inherited from Phalcon\Di\Injectable
Returns the internal event manager
public boolean fireEvent (string $eventName, [mixed $data], [unknown $cancelable]) inherited from Phalcon\Di\Injectable
Fires an event, implicitly calls behaviors and listeners in the events manager are notified
public mixed fireEventCancel (string $eventName, [mixed $data], [unknown $cancelable]) inherited from Phalcon\Di\Injectable
Fires an event, can stop the event by returning to the false
public boolean hasService (string $name) inherited from Phalcon\Di\Injectable
Check whether the DI contains a service by a name
public Phalcon\Di\ServiceInterface setService (unknown $name) inherited from Phalcon\Di\Injectable
Sets a service from the DI
public object|null getService (unknown $name) inherited from Phalcon\Di\Injectable
Obtains a service from the DI
public mixed getResolveService (string $name, [array $args], [unknown $noerror], [unknown $noshared]) inherited from Phalcon\Di\Injectable
Resolves the service based on its configuration
public attachEvent (string $eventType, Closure $callback) inherited from Phalcon\Di\Injectable
Attach a listener to the events
public __get (unknown $property) inherited from Phalcon\Di\Injectable
Magic method __get
public __sleep () inherited from Phalcon\Di\Injectable
...
public __debugInfo () inherited from Phalcon\Di\Injectable
...