private function api($method, $params) 
	{
    
		$basic = array(
		  'method'      => $method,
		  'appid'       => $this->appid,
		  'key'         => $this->key,
		  'path'        => $this->path,
		  'user_ip'     => $_SERVER['REMOTE_ADDR'],
		  'language'    => $this->language,
		  'platform'    => 'php'
		);

		return $this->call(array_merge(isset($params[0]) ? $params[0] : $params, $basic));
	}