Untitled

<?php
require_once 'config.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'];
       $address = $_POST['address'];
       $hashed_password = password_hash($password, PASSWORD_DEFAULT);

       $query = "INSERT INTO `users` (username, password, email, address) VALUES ('$username', '$hashed_password', '$email', '$address')";
       $result = mysqli_query($link, $query);
       if($result){
           $smsg = "User Created Successfully.";
       }else{
           $fmsg ="User Registration Failed";
       }
   }
 ?>
<html>
<head>
  <!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" >

<!-- Optional theme -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap-theme.min.css" >

<link rel="stylesheet" href="styles.css" >

<!-- Latest compiled and minified JavaScript -->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</head>
<body>
<div class="container">
      <form class="form-signin" method="POST">
        <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>
        <label for="inputAddress" class="sr-only">Address</label>
        <input type="address" name="address" id="inputAddress" class="form-control" placeholder="Address" required>
        <button class="btn btn-lg btn-primary btn-block" type="submit">Register</button>
      </form>
</div>
</body>
</html>