ORM::where_any_is PHP Method

    public function where_any_is($values, $operator = '=')
    {
        $data = array();
        $query = array("((");
        $first = true;
        foreach ($values as $value) {
            if ($first) {
                $first = false;
            } else {
                $query[] = ") OR (";
            }
            $firstsub = true;
            foreach ($value as $key => $item) {
                $op = is_string($operator) ? $operator : (isset($operator[$key]) ? $operator[$key] : '=');
                if ($firstsub) {
                    $firstsub = false;
                } else {
                    $query[] = "AND";
                }
                $query[] = $this->_quote_identifier($key);
                $data[] = $item;
                $query[] = $op . " ?";
            }
        }
        $query[] = "))";
        return $this->where_raw(join($query, ' '), $data);
    }