CakeRequest::__call PHP Method

    public function __call($name, $params)
    {
        if (strpos($name, 'is') === 0) {
            $type = strtolower(substr($name, 2));
            return $this->is($type);
        }
        throw new CakeException(__d('cake_dev', 'Method %s does not exist', $name));
    }