public boolean delete (int | string $keyName) Deletes a value from the cache by its key
Source
public save ([string | long $keyName], [string $content], [long $lifetime], [boolean $stopBuffer])
public flush () Immediately invalidates all existing items.
public int getLifetime () Gets the last lifetime set
extends abstract class Phalcon\Cache\Backend
public array queryKeys ([string $prefix]) Query the existing cached keys
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