StackFormation\PrefixedTemplate::updateFnGetAtt PHP Метод

    protected function updateFnGetAtt($prefix, $template)
    {
        //  Update all "Fn::GetAtt": ["...", "..."] }
        $template = preg_replace_callback('/"Fn::GetAtt"\\s*:\\s*\\[\\s*"([a-zA-Z0-9:]+?)"/', function ($matches) use($prefix) {
            return '"Fn::GetAtt": ["' . $prefix . $matches[1] . '"';
        }, $template);
        return $template;
    }