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<?php
session_start();
mysql_connect ('localhost', 'robin_1', 'banaan');
mysql_select_db ('robin_test');
?>
<html>

<head><link rel="stylesheet" type="text/css" href="style.css" /></head>

<body>

<div id="container">

<?php
    if ( isset($_POST["submit"]) ) {

        if( empty($_POST['username']) or empty($_POST['password']) ) {

            echo 'Oeps, iets vergeten invullen';

        } else {

        $query = mysql_query("SELECT * FROM user WHERE username = '" . $_POST['username'] . "'  AND password = '".$_POST['password']  ."' LIMIT 1");
        $_SESSION['username'] = $_POST['username'];

        if(mysql_num_rows($query)==0) {

            echo "jij bestaat niet sukkeltje:)";

        } else {
              $row = mysql_fetch_assoc($query);
            echo "Login succesful. <br />";
            echo $row['username'] . ' en ' . $row['password'];
        }


      }

     }
?>

    <form method="post">
    Username: <input type="text" name="username" /><br />
    Password: <input type="password" name="password" /><br />
    <input type="submit" name="submit" value="Log in" />
    </form>

</div>

</body>

</html>