Interface Phalcon\Cache\BackendInterface¶

Methods¶

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

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

abstract public stop ([boolean $stopBuffer])

Stops the frontend without store any cached content

abstract public mixed getFrontend ()

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

abstract public array getOptions ()

Returns the backend options

abstract public boolean isFresh ()

Checks whether the last cache is fresh or cached

abstract public boolean isStarted ()

Checks whether the cache has starting buffering or not

abstract public setLastKey (string $lastKey)

Sets the last key used in the cache

abstract public string getLastKey ()

Gets the last key stored by the cache

abstract public mixed get (int|string $keyName, [long $lifetime])

Returns a cached content

abstract public save ([int|string $keyName], [string $content], [long $lifetime], [boolean $stopBuffer])

Stores cached content into the file backend and stops the frontend

abstract public boolean delete (int|string $keyName)

Deletes a value from the cache by its key

abstract public array queryKeys ([string $prefix])

Query the existing cached keys

abstract public boolean exists ([string $keyName], [long $lifetime])

Checks if cache exists and it hasn’t expired

abstract public boolean flush ()

Immediately invalidates all existing items.