$user = $_POST['user'];
    $pass = $_POST['pass'];
    $log = $conn->prepare("SELECT * FROM `login` WHERE user = '$user' AND pass = '$pass'");
    $log->execute();
    $count_log = $log->rowCount();
    if($count_log >=1){
        $row_log = $log->fetchAll(PDO::FETCH_OBJ);
        foreach($row_log AS $list_log){
            $_SESSION['nome'] = $list_log->nome;
            $_SESSION['sobrenome'] = $list_log->sobrenome;
            $_SESSION['email'] = $list_log->email;
            $_SESSION['user'] = $list_log->user;
            $_SESSION['captcha'] = $list_log->captcha;
            header("refresh: 3; bem-vindo.php");
            echo '<span class="msg success">aguarde...</span>';
        }
    }else{
        echo '<span class="msg error">dados incorretos</span>';
    }
}`