"); foreach ($yaml as $groupName => $hosts) { $xmlGroup = $xml->addChild("group"); $xmlGroup->addAttribute("name", $groupName); if ($hosts) foreach ($hosts as $hostName => $services) { $xmlHost = $xmlGroup->addChild("host"); $xmlHost->addAttribute("name", $hostName); if ($services) foreach ($services as $service) { $xmlHost->addChild("service"); $xmlHost->addAttribute("name", $service); } } } echo $xml->asXML(); ?>