org\bovigo\vfs\visitor\vfsStreamPrintVisitor::visitDirectory PHP 메소드

    public function visitDirectory(vfsStreamDirectory $dir)
    {
        $this->printContent($dir->getName());
        $this->depth++;
        foreach ($dir as $child) {
            $this->visit($child);
        }
        $this->depth--;
        return $this;
    }