lithium\storage\cache\Adapter::decrement PHP Method

Performs a decrement operation on specified numeric cache item.

abstract public decrement ( string $key, integer $offset = 1 ) : integer \| boolean
$key	string	Key of numeric cache item to decrement.
$offset	integer	Offset to decrement - defaults to `1`.
return	integer \| boolean	The item's new value on successful decrement, else `false`.

    public abstract function decrement($key, $offset = 1);

Adapter