Joli\ArDrone\Client::__call PHP Method

    public function __call($name, $arguments)
    {
        if (in_array($name, Config::$commands)) {
            if ($name === 'takeoff' || $name === 'land') {
                // process callback function
                $callback = count($arguments) === 1 ? $arguments[0] : function () {
                };
                $eventName = $name === 'takeoff' ? 'hovering' : 'landed';
                $this->once($eventName, $callback);
                $this->udpControl->emit($name);
            } elseif ($name === 'stop' || $name === 'ftrim' || $name === 'flip') {
                $this->udpControl->emit($name);
                // Control commands
            } else {
                if (count($arguments) > 1) {
                    new \Exception('There are too many arguments');
                }
                $this->udpControl->emit($name, [$arguments[0]]);
            }
        } else {
            new \Exception('Invalid function');
        }
    }