Untitled

<!doctype html>
<html lang="ru">
<head>
  <meta charset="UTF-8">
  <meta name="viewport"
        content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
  <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous">
  <link rel="stylesheet" href="style.css">
  <title>Doc</title>
</head>
<body>
<?php
require('connect.php');

if(isset($_POST['username']) && isset($_POST['password'])) {
  $username = $_POST['username'];
  $password = $_POST['password'];

  $query = "INSERT INTO users (login, pass) VALUES ('$username', '$password')";
   $result = $connection->query($query);

  if($result){
    $smsg = "Регистрация прошла успешна";
  }
    else   $fsmsg = "Ошибка";
}
?>
  <div class="container">
    <form class="form-signin" method="POST">
      <h2>Регистрация</h2>
      <?php if(isset($smsg)){ ?><div class="alert alert-succes" role="alert">  <?php echo $smsg; ?></div><?php } ?>
      <?php if(isset($fsmsg)){ ?><div class="alert alert-danger" role="alert">  <?php echo $fsmsg; ?></div><?php } ?>
    <?php print_r(error_get_last()); ?>
      <input type="text" name="username" class="form-control" placeholder="username">
      <input type="password" name="password" class="form-control" placeholder="Password">
      <button class="btn btn-lg btn-primary btn-block" type="submit">Register</button>
    </form>
  </div>
</body>
</html>