Leafo\ScssPhp\Compiler::libToLowerCase PHP 메소드

    protected function libToLowerCase($args)
    {
        $string = $this->coerceString($args[0]);
        $stringContent = $this->compileStringContent($string);
        $string[2] = [mb_strtolower($stringContent)];
        return $string;
    }