week12.php

//this is for archive purposes

//index.php

<?php
    session_start();

    if (isset($_GET["logout"])) { // means the user clicked the logout button somewhere across the site
        session_unset(); // unset the session array i.e. destroy the data and the array
        session_destroy(); // terminate the session.
    }

    if (isset($_SESSION['user'])){
        include('member.php');
    }
    else {
        include('guest.php');
    }

?>
<html>
    <head>
        <title>My first login session</title>
        <link rel="stylesheet" type="text/css" href="main.css">
    </head>
    <body>
        <div class="container">

            <div class="nav">Navigation will go here</div>


            <div class="content">
                <h2>Let's learn about login!</h2>

                <p>Go to <a href="login.php">next page</a></p>

            </div>


            <div class="footer"> Footer will go here</div>


        </div>

    </body>
</html>

//login.php

<?php
    session_start();
    if (isset($_SESSION['user'])){
        include('member.php');

    }
    else {

        include('guest.php');
    }

?>
<html>
    <head>
        <title>Still Learning Login</title>
        <link rel="stylesheet" type="text/css" href="main.css">
    </head>
    <body>
        <div class="container">

            <div class="nav">Navigation will go here</div>


            <div class="content">

                <h2>Let's keep learning about login sessions!</h2>
                    <p>Look at what happens if I initialize the user session here...<br /></p>

                    <form id="login" name="login" method="post" action="verify_login.php">
                        <fieldset>
                            <legend>Login information:</legend>

                            Username:
                            <br>
                            <input type="text" id="userID" name="userID">

                            <br>

                            Password:
                            <br>
                            <input type="text" id="password" name="password">
                        </fieldset>

                        <input type="submit" name="submit" value="Login">
                    </form>

                <p>Go to <a href="verify_login.php">page 3.</a></p>
            </div>


            <div class="footer"> Footer will go here</div>


        </div>

    </body>
</html>

//verify_login.php

<?php
    session_start();
    $message = "";
    if (isset($_SESSION['user'])){
        include('member.php');

    }
    else {

        include('guest.php');
    }

?>
<html>
    <head>
        <title>Still testing login here</title>
        <link rel="stylesheet" type="text/css" href="main.css">
    </head>
    <body>
        <div class="container">

            <div class="nav">Navigation will go here</div>


            <div class="content">
                <?php echo $message . "<br>"; ?>

                <h2>Let's keep learning about login sessions! just a little more...</h2>
                <p>Let's see who we have logged in.<br /></p>

        <?php
                if ($_SERVER["REQUEST_METHOD"] == "POST"){
                $userID = $_POST["userID"];
                $password = $_POST["password"];
                $fname = "";

                //store our connection credentials in variables;
$server = '';
$user = '';
$pass = '';
//there is no password for the my current setup of MySQL
$dbase = '';
//make the actual connection to myaql and the chosen database
$conn = mysqli_connect($server, $user, $pass, $dbase);
 //if the connection failed print error message
 if (!$conn) {
    die('Could not connect to database because: ' . mysqli_connect_error());
 }
  else echo "You are successfully connected to $dbase <br>";

    //Create the query string
    $query = "select * from fans where userID = '$userID'";

    //execute the query
    $result = mysqli_query($conn, $query);
    if ($result) {

        if (mysqli_num_rows($result) > 0) {

            // if we are in this block it means that $result was NOT false and it contained
            // at least one row of data... so let's process the data one row at a time

            while ($row = mysqli_fetch_assoc($result)) {

                // if we are in this inner block it means that we just successfully retrieved

                // a row of data from the resultset held in $result. We can embed this in
                // our HTML page as shown below

                $db_userID = $row["userID"];
                $db_password = $row["password"];
                $db_fname = $row["fname"];

            }
            //end while loop

        }
        //end if 1 or more rows

        else
            echo "<br>No rows returned";
    }
    mysqli_close($conn);

    if($password != $db_password) {
echo "Incorrect password entered, please <a href='login.php'>login</a> again.";
    } else {
        $_SESSION['user'] = $userID;
        $_SESSION['user_fname'] = $db_fname;
        echo "Our current user is ".$_SESSION['user']. ".";
    }

}
                ?>


            <p>Go back to  <a href="index.php">Home page.</a></p>
        </div>

            <div class="footer"> Footer will go here</div>

            </div>


</body>
</html>

//guest.php

<!DOCTYPE html>
<html lang="en">
    <head>
        <title>Guest</title>
        <link rel="stylesheet" type="text/css" href="main.css">
    </head>
    <body>
        <div class="container">


            <div class="content">

      <p>If you have not logged in as yet, you can login <a href="login.php">here</a>.</p>

</div>

</div>
</body>
</html>

//member.php

<?php

$message = "<p>$_SESSION[user_fname] is logged in.</p><form action='index.php' method='get'><input type=submit value='logout' name='logout' id='logout' /></form>";

?>