lithium\storage\cache\Adapter::_addScopePrefix PHP Method

    protected function _addScopePrefix($scope, array $keys, $separator = ':')
    {
        $results = array();
        $isMapped = !is_int(key($keys));
        foreach ($keys as $key => $value) {
            if ($isMapped) {
                $results["{$scope}{$separator}{$key}"] = $value;
            } else {
                $results[$key] = "{$scope}{$separator}{$value}";
            }
        }
        return $results;
    }