Abstract class Phalcon\Cache\Backend

extends abstract class Phalcon\Di\Injectable

implements Phalcon\Events\EventsAwareInterface, Phalcon\Di\InjectionAwareInterface, Phalcon\Cache\BackendInterface

Source on GitHub

This class implements common functionality for backend adapters. A backend cache adapter may extend this class


public __construct (Phalcon\Cache\FrontendInterface $frontend, [array $options])

Phalcon\Cache\Backend constructor

public mixed start (int|string $keyName, [long $lifetime], [unknown $nobuffer])

Starts a cache. The $keyname allows to identify the created fragment

public stop ([boolean $stopBuffer])

Stops the frontend without store any cached content

public mixed getFrontend ()

Returns front-end instance adapter related to the back-end

public array getOptions ()

Returns the backend options

public boolean isFresh ()

Checks whether the last cache is fresh or cached

public boolean isStarted ()

Checks whether the cache has starting buffering or not

public int getLifetime ()

Gets the last lifetime set

public Phalcon\Cache\Backend setPrefix (string $prefix)

Sets prefix

public string getPrefix ()

Gets prefix

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


abstract public mixed get (string $keyName, [unknown $lifetime]) inherited from Phalcon\Cache\BackendInterface

Returns a cached content

abstract public save ([string $keyName], [unknown $value], [long $lifetime], [boolean $stopBuffer]) inherited from Phalcon\Cache\BackendInterface

Stores cached content into the file backend and stops the frontend

abstract public boolean delete (string $keyName) inherited from Phalcon\Cache\BackendInterface

Deletes a value from the cache by its key

abstract public array queryKeys ([string $prefix]) inherited from Phalcon\Cache\BackendInterface

Query the existing cached keys

abstract public boolean exists (string $keyName) inherited from Phalcon\Cache\BackendInterface

Checks if cache exists and it hasn’t expired

abstract public boolean flush () inherited from Phalcon\Cache\BackendInterface

Immediately invalidates all existing items.