protected function _get_group($group)
{
if (!$this->enabled) {
return null;
}
$cache_info = apc_cache_info('user');
$group_cache = array();
foreach ($cache_info['cache_list'] as $cache_item) {
if (strpos($cache_item['info'], $this->prefix . ":{$group}:") === 0) {
$name = substr($cache_item['info'], strlen($this->prefix . ":{$group}:"));
$group_cache[$name] = apc_fetch($cache_item['info']);
}
}
return $group_cache;
}