public addServers (mixed $host, mixed $port, [mixed $persistent]) Add servers to memcache pool

public boolean delete (int | string $keyName) Deletes a value from the cache by its key

public boolean exists ([string $keyName], [long $lifetime]) Checks if cache exists and it isn’t

extends abstract class Phalcon\Cache\Backend

public _connect () Create internal connection to memcached

public long increment ([string $keyName], [long $value]) Increment of given $keyName by $value

public get (mixed $keyName, [mixed $lifetime]) Returns a cached content

public long decrement ([string $keyName], [long $value]) Decrement of $keyName by given $value

public array queryKeys ([string $prefix]) Query the existing cached keys

public flush () Immediately invalidates all existing items.