!' if not set */ function get($cat, $key = null); /** * Sets a value in the config cache. Accepts raw output from the config table * * @param string $cat Config category * @param string $key Config key * @param mixed $value Value to set * * @return bool True, if the value is set */ function set($cat, $key, $value); /** * Deletes a value from the config cache. * * @param string $cat Config category * @param string $key Config key * * @return bool true, if deleted */ function delete($cat, $key); /** * Checks if a value is set in the config cache. * * @param string $cat Config category * @param string $key Config key * @return bool */ function has($cat, $key = null); /** * Returns the whole configuration cache * * @return array */ function getAll(); }