<?php
$servername = "localhost";
$username = "root";
$password = "chris16422";

$conn = mysqli_connect($servername, $username, $password);

if (!$conn) {
                die("connection failed: " . mysqli_connect_error());
}
echo "connection successful";
?>

<?php

    // If the values are posted, insert them into the database.
    if (isset($_POST['username']) && isset($_POST['password'])){
        $username = $_POST['username'];
        $email = $_POST['email'];
        $password = $_POST['password'];

        $query = "INSERT INTO `user` (username, password, email) VALUES ('$username', '$password', '$email')";
        $result = mysqli_query($conn, $query);
        if($result){
            $smsg = "User Created Successfully.";
        }else{
            $fmsg ="User Registration Failed";
        }
    }
    ?>

<div class="container">
      <form class="form-signin" method="POST">
      <?php if(isset($smsg)){ ?><div class="alert alert-success" role="alert"> <?php echo $smsg; ?> </div><?php } ?>
      <?php if(isset($fmsg)){ ?><div class="alert alert-danger" role="alert"> <?php echo $fmsg; ?> </div><?php } ?>
        <h2 class="form-signin-heading">Please Register</h2>
        <div class="input-group">
          <span class="input-group-addon" id="basic-addon1">@</span>
          <input type="text" name="username" class="form-control" placeholder="Username" required>
        </div>
        <label for="inputEmail" class="sr-only">Email address</label>
        <input type="email" name="email" id="inputEmail" class="form-control" placeholder="Email address" required autofocus>
        <label for="inputPassword" class="sr-only">Password</label>
        <input type="password" name="password" id="inputPassword" class="form-control" placeholder="Password" required>
        <button class="btn btn-lg btn-primary btn-block" type="submit">Register</button>
        <a class="btn btn-lg btn-primary btn-block" href="login.php">Login</a>
      </form>
</div>