Leafo\ScssPhp\Parser::placeholder PHP 메소드

    protected function placeholder(&$placeholder)
    {
        if ($this->match($this->utf8 ? '([\\pL\\w\\-_]+|#[{][$][\\pL\\w\\-_]+[}])' : '([\\w\\-_]+|#[{][$][\\w\\-_]+[}])', $m)) {
            $placeholder = $m[1];
            return true;
        }
        return false;
    }