query('SELECT * from users'); while($line = $request->fetchArray()) { if ($line['username'] == $_POST["username"]) { echo ''; exit; } } $append = $bdd->prepare("INSERT INTO users(username, password, compte) VALUES(:username, :password, :compte)"); $append->bindValue(':username', $_POST['username']); $append->bindValue(':password', sha1($_POST['password'])); $append->bindValue(':compte', 100); $append->execute(); session_start(); $_SESSION['username'] = $line['username']; $_SESSION['password'] = $line['password']; $_SESSION['compte'] = $line['compte']; echo ''; } ?>