Method __get

/**
 * Method to get certain otherwise inaccessible properties from the form field object.
 *
 * @param   string  $name  The property name for which to get the value.
 *
 * @return  mixed  The property value or null.
 *
 * @since   3.2
 */
public function __get($name)
{
    switch ($name) {
        case 'max':
        case 'min':
        case 'step':
            return $this->{$name};
    }
    return parent::__get($name);
}