"12345", "uname"=>"asd"); var_dump($data); print_r($data); echo $data->pwd; $sql = " SELECT r.id FROM register r LEFT JOIN login l ON l.register_id = r.id WHERE l.`password` = '".$data->pwd."' AND (r.email='".$data->uname."' OR l.login = '".$data->uname."') "; // echo $sql; ?>