/**
* Initialize the cache engine
*
* Called automatically by the cache frontend. Merge the runtime config with the defaults
* before use.
*
* @param array $config Associative array of parameters for the engine
* @return bool True if the engine has been successfully initialized, false if not
*/
public function init(array $config = [])
{
parent::init($config);
$this->client = new Client($this->_config['connections'], $this->_config['options']);
$this->client->connect();
return $this->client->isConnected();
}
