Untitled

<?php
   require ('insert.php');
  // If values posted, insert into the database.
    if (isset($_POST['username']) && isset($_POST['password'])){
                $name = $_POST['name'];
                $email = $_POST['email'];
                $username = $_POST['username'];
                $password = $_POST['password'];

      // nimi refers to name, it's correct
        $query = "INSERT INTO `user` (nimi, email, username, password) VALUES('$name', '$email', '$username', '$password')";

        //POST retrieves the data.
        $result = mysqli_query($connection, $query);

        if($result){
                $smsg = "User Created Successfully.";
                }
            else{
                $fmsg = "User Registration Failed";
                }
            }

        mysqli_close($connection);
        ?>
     <html>
    ...
    <body>
    ...
    <div>

        <form method="POST" class="form-horizontal" role="form">

        <!-- Status, how registering went -->
        <?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 } ?>


        <!-- Registration form starts -->
            <h2>Form</h2><br>


                <label for="Name"></label>
                <input name="name" type="text" id="name" maxlength="40" placeholder="Ees- ja perenimi" class="form-control" autofocus> <!-- lopp -->

                <label for="email"></label>
                <input name="email" type="email" id="email" maxlength="65" placeholder="Email" class="form-control"> <!-- lopp -->


                <label for="Username"></label>
                <input name="username" type="text" id="userName" maxlength="12" placeholder="Kasutajatunnus/kasutajanimi" class="form-control" required> <!-- lopp -->

                <label for="Password"></label>
                <input name="password" type="password" id="password" maxlength="12" placeholder="Parool" class="form-control" required>

<button type="submit" class="btn btn-primary btn-block">Join</button>
            </form> <!-- /form -->

        </div> <!-- ./container -->
    ...
    </body>
</html>

<?php
session_start();
require ('insert.php');

//Is username and password typed?
if (isset($_POST['username']) and isset($_POST['password'])){
//Making vars from inputs
$username = $_POST['username'];
$password = $_POST['password'];
//Checking existent of values.
$query = "SELECT * FROM `liikmed` WHERE username='$username' and password='$password'";

$result = mysqli_query($connection, $query) or die(mysqli_error($connection));
$count = mysqli_num_rows($result);
//3.1.2 If values equal, create session.
if ($count == 1){
$_SESSION['username'] = $username;
}
else{
//If credentials doesn't match.
$fmsg = "Invalid Login Credentials.";
}
}
//if user logged in, welcome with message
if (isset($_SESSION['username'])){
$username = $_SESSION['username'];
echo "Hai " . $username . "";
echo "This is the Members Area";
echo "<a href='logout.php'>Logout</a>";

}else{}
?>

<html>
...
<body>
...
<div id="bg"></div>


    <form method="POST" class="form-horizontal">
        <h2>Login</h2><br>

        <label for="User"></label>
        <input name="username" type="text" maxlength="15" placeholder="Username" class="form-control" required autofocus>

        <label for="Password"></label>
        <input name="password" type="password" maxlength="50" placeholder="Password" class="form-control" required autofocus>

        <button type="submit" class="btn btn-primary btn-block">Enter</button>

</form>
</div>
...
</body>
</html>

<?php
$connection=mysqli_connect("localhost","root","pw");
if (!$connection){
    die("Database Connection Failed" . mysqli_error($connection));
}
$select_db = mysqli_select_db($connection, 'my_database');
if (!$select_db){
    die("Database Selection Failed" . mysqli_error($connection));
}
?>