Beans_Lessc::lib_alpha PHP Method

lib_alpha() protected method

defaults to 1 for non-colors or colors without an alpha
protected lib_alpha ( $value )
    protected function lib_alpha($value)
    {
        if (!is_null($color = $this->coerceColor($value))) {
            return isset($color[4]) ? $color[4] : 1;
        }
    }