Untitled

Register code
<?php
session_start();
$pdo = new PDO('mysql:host=localhost;dbname=test', 'root', 'test');
?>
<!DOCTYPE html>
<html>
<head>
  <meta charset="UTF-8">
  <link rel="stylesheet" type="text/css" href="css/logstyle.css">
  <title>Registrierung</title>
</head>
<body>

<?php
$showFormular = true;

if(isset($_GET['register'])) {
$error = false;
$passwort = $_POST['passwort'];
$passwort2 = $_POST['passwort2'];
$vorname = $_POST['vorname'];
$rang = $_POST['rang'];

if(strlen($passwort) == 0) {
echo 'Bitte ein Passwort angeben<br>';
 $error = true;
 }
 if($passwort != $passwort2) {
 echo 'Die PasswÃ¶rter mÃ¼ssen Ã¼bereinstimmen<br>';
 $error = true;
 }
 if(strlen($vorname) == 0) {
 echo 'Bitte einen Namen angeben<br>';
 $error = true;
 }


 if(!$error) {
 $statement = $pdo->prepare("SELECT * FROM users WHERE vorname = :vorname");
 $result = $statement->execute(array('vorname' => $vorname));
 $user = $statement->fetch();

 if($user !== false) {
 echo 'Dieser Name ist bereits vergeben<br>';
 $error = true;
 }
 }


 if(!$error) {
 $passwort_hash = password_hash($passwort, PASSWORD_DEFAULT);

 $statement = $pdo->prepare("INSERT INTO users (passwort, vorname, rang) VALUES (:passwort, :vorname, :rang)");
 $result = $statement->execute(array('vorname' => $vorname, 'passwort' => $passwort_hash, 'rang' => $rang));

 if($result) {
 echo 'Du wurdest erfolgreich registriert. <a href="login.php">Zum Login</a>';
 $showFormular = false;
 } else {
 echo 'Beim Abspeichern ist leider ein Fehler aufgetreten<br>';
 }
 }
}

if($showFormular) {
?>

<form action="?register=1" method="post">

<div class="login-page">
  <img src="test" alt="Logo">
  <div class="form">
    <form action="?register=1" method="post">
      <input type="text" placeholder="name" name="vorname"/>
      <input type="password" placeholder="password" name="passwort"/>
      <input type="password" placeholder="password" name="passwort2"/>
      <select name="rang">
  <option>Option1</option>
  <option>Option2</option>
  <option>Option3</option>
  <option>Option4</option>
  <option>Option5</option>
  <option>Option6</option>
</select>
     <button>Registrieren</button>
      <p class="message">Already registered? <a href="login.php">Sign In</a></p>

<?php
}
?>

</body>
</html>


Login code
---------------------------------------------------------------------------------------------------------------------------


<?php
session_start();
$pdo = new PDO('mysql:host=localhost;dbname=test', 'root', 'test');

if(isset($_GET['login'])) {
$vorname = $_POST['vorname'];
$passwort = $_POST['passwort'];

$statement = $pdo->prepare("SELECT * FROM users WHERE vorname = :vorname");
 $result = $statement->execute(array('vorname' => $vorname));
 $user = $statement->fetch();


 if ($user !== false && password_verify($passwort, $user['passwort'])) {
$_SESSION['userid'] = $user['id'];
 die('Login erfolgreich.<a href="home.php">Klick</a>');
 } else {
 $errorMessage = "Name oder Passwort war ungültig<br>";
 }

}
?>
<!DOCTYPE html>
<html>
<head>
 <link rel="stylesheet" type="text/css" href="css/logstyle.css"
<title>Login</title>
</head>
<body>

<?php
if(isset($errorMessage)) {
echo $errorMessage;
}
?>
<div class="login-page">
<img src="img/Zero-FW.png" alt="Logo">
  <div class="form">
    <form class="login-form">
      <input type="text" placeholder="Name" name="vorname"/>
      <input type="password" placeholder="password" name="passwort"/>
      <button>login</button>
      <p class="message">Not registered? <a href="registrieren.php">Create an account</a></p>
    </form>
  </div>
</div>
</body>
</html>