protected function getBrokerInfo($brokerId)
    {
        return isset(self::$brokers[$brokerId]) ? self::$brokers[$brokerId] : null;
    }
protected function getBrokerInfo($brokerId)
    {
        return isset(self::$brokers[$brokerId]) ? self::$brokers[$brokerId] : null;
    }
protected function getBrokerInfo ( $ brokerId ) { return isset ( self :: $ brokers [ $ brokerId ] ) ? self :: $ brokers [ $ brokerId ] : null ; }
Get the API secret of a broker and other info

@param string $brokerId
@return array
Get the API secret of a broker and other info