public function buildBlock($code)
    {
        $lines = $this->parser->splitIntoLines($code);
        $result = [];

        foreach (array_filter($lines) as $line)
        {
            $result[] = $this->printer->toString(
                eval ("return {$line};")
            );
        }

        return sprintf(
            "```php\n%s```\n```\n%s\n```\n",
            implode("\n", $lines),
            implode("\n", $result)
        );
    }