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- <?php
- session_start();
- $pdo = new PDO('mysql:host=localhost;dbname=jericho', 'jericho', 'testdb');
- ?>
- <html>
- <head>
- <meta name='viewport' content='width=device-width, initial-scale=1' />
- <meta charset="utf-8" />
- <title>Registrierung</title>
- </head>
- <body>
- <h3>Registrierung</h3>
- <?php
- $showFormular = true;
- if(isset($_GET['register'])) {
- $error = false;
- $user = $_POST['user'];
- $password = $_POST['password'];
- $password2 = $_POST ['password2'];
- if(strlen($user) === 0) {
- echo 'Bitte gib einen Usernamen ein!<br>';
- $error = true;
- }
- if(strlen($password) === 0) {
- echo 'Bitte gib ein Passwort ein!';
- $error = true;
- }
- if($password != $password2) {
- echo 'Die Passwörter stimmen nicht überein, bitte probier es erneut!';
- $error = true;
- }
- if(!$error) {
- $statement = $pdo->prepare("SELECT * FROM userdaten WHERE user = :user");
- $result = $statement->execute(array('user' => $user));
- $user = $statement->fetch();
- if($user !== false) {
- echo 'Dieser Username ist bereits vergeben<br>';
- $error = true;
- }
- }
- if(!$error) {
- $password_hash = password_hash($password, PASSWORD_DEFAULT);
- $user = strtolower($_POST['user']);
- $statement = $pdo->prepare("INSERT INTO userdaten (user,password) VALUES (:user,:password)");
- $result = $statement->execute(array(':user' => $user, ':password' => $password_hash));
- if($result) {
- echo 'Deine Registrierung war erfolgreich, du kannst dich nun auf der Hauptseite einloggen! <br> <a href="index.php">Zum Login</a>';
- $showFormular = false;
- } else {
- echo 'Etwas ist falsch gelaufen! Bitte kontaktiere schnellstmöglich den Administrator dieser Seite! [Query failed.]';
- }
- }
- }
- if($showFormular) {
- ?>
- <form action="?register=1" method="post">
- Username: <br />
- <input type="text" size="40" maxlength="25" name="user" />
- <br />
- Passwort: <br />
- <input type="password" size="40" maxlength="255" name="password" />
- <br />
- Passwort wiederholen: <br />
- <input type="password" size="40" maxlength="255" name="password2" />
- <br />
- <input type="submit" value="Registrieren" />
- </form>
- <?php
- }
- ?>
- </body>
- </html>
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