Leafo\ScssPhp\Parser::url PHP Method

    protected function url(&$out)
    {
        if ($this->match('(url\\(\\s*(["\']?)([^)]+)\\2\\s*\\))', $m)) {
            $out = [Type::T_STRING, '', ['url(' . $m[2] . $m[3] . $m[2] . ')']];
            return true;
        }
        return false;
    }