login

<html>
<head>
    <title>Tek13login</title>
</head>
<body>
    <form action="tek13login.php" method="post">
        Username: <input type="text" name="username">
        Password: <input type="password" name="password">
        <br>
        <input type="submit" value="login">
    </form>

    <?php
    $conn = mysql_connect('localhost', 'root', '') or die(mysql_error());

    mysql_select_db('tek13login', $conn);

    echo "Connect tek13login är okej.";

    if(isset($_POST)) {
        $users = mysql_query("SELECT * FROM userinfo");
        while($row = mysql_fetch_array($users)) {
            if($row["username"] == $_POST["username"] && $row["password"] == $_POST["password"]) {
                echo "<br>Välkommen";
            }
        }
    }
    ?>
</body>
</html>