Beans_Lessc::expandParentSelectors PHP Method

    protected function expandParentSelectors(&$tag, $replace)
    {
        $parts = explode("\$&\$", $tag);
        $count = 0;
        foreach ($parts as &$part) {
            $part = str_replace($this->parentSelector, $replace, $part, $c);
            $count += $c;
        }
        $tag = implode($this->parentSelector, $parts);
        return $count;
    }