public function formatGroups(Model\Groups $model)
{
$data = $model->getGroups();
$entries = '';
foreach ($data as $group) {
$resources = array_map(array($this, 'formatValue'), $group['resources']);
$entries .= '<group>';
$entries .= ' <name>' . $this->formatValue($group['name']) . '</name>';
$entries .= ' <resources>';
$entries .= ' <resource>' . implode($resources, '</resource><resource>') . '</resource>';
$entries .= ' </resources>';
$entries .= '</group>';
}
return <<<GROUPS
<?xml version="1.0" encoding="UTF-8"?>
<imbo>
<search>
<hits>{$model->getHits()}</hits>
<page>{$model->getPage()}</page>
<limit>{$model->getLimit()}</limit>
<count>{$model->getCount()}</count>
</search>
<groups>{$entries}</groups>
</imbo>
GROUPS;
}