Untitled

<!DOCTYPE html>
<?php
session_start();
require('connect.php);
if(isset($_POST['username'] and isset($_POST['password']))
{
	$username=$_POST['username'];
	$password=$_POST['password'];
	$query="SELECT * FROM 'user' WHERE username='$username' and password='$password'";

	$result=mysqli_query($connection, $query) or die(mysqli_error($connection));
	$count = mysqli_nm_row($result);

	if ($count ==1)
	{
		$_SESSION['username'] = $username;
		}
		else
		{
		$fmsg="Invalid Login Credentials.";
		}
}
	if(isset($_SESSION['username']))
{
echo "Hello " . $username. "";
echo " Welcome to the Landing Page!";
session_destroy();
echo "<a href ='logout.php'> Logout</a>";
}}

?>
<html>
<head>
	<title>User Login Using PHP & MySQL</title>
    <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" >

    <link rel="stylesheet" href="styles.css" >
    <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">
      <?php if(isset($fmsg)){ ?><div class="alert alert-danger" role="alert"> <?php echo $fmsg; ?> </div><?php } ?>
        <h2 class="form-signin-heading">Please Login</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="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">Login</button>
        <a class="btn btn-lg btn-primary btn-block" href="register.php">Register</a>
      </form>
</div>
</body>
</html>