Untitled

<!DOCTYPE html>
<html>
<head>
  <title>Login</title>
</head>
<body>
<center>
<form action="?login=1" method="post">
E-Mail:<br>
<input type="email" size="40" maxlength="250" name="email"><br><br>

Passwort:<br>
<input type="password" size="40"  maxlength="250" name="passwort"><br>

<input type="submit" value="Anmelden">
</form>
</body>
</center>
</html>

<?php
session_start();
$pdo = new PDO('mysql:host=localhost;dbname=users', 'admin', 'pw') or die("Connect failed: %s\n". $conn -> error);

include openconn.php;
$conn = OpenCon();

echo "Connected Successfully";

CloseCon($conn);
//include 'db_connection.php';
//$dbhost = "localhost";
//$dbuser = "admin";
//$dbpass = "pw";
//$db = "users";

//$pdo = new mysqli($dbhost, $dbuser, $dbpass,$db) or die("Connect failed: %s\n". $conn -> error);


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

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

 //Überprüfung des Passworts
 if ($user !== false && password_verify($passwort, $user['passwort'])) {
 $_SESSION['userid'] = $user['id'];
 die('Login erfolgreich. Weiter zu <a href="geheim.php">internen Bereich</a>');
 } else {
 $errorMessage = "E-Mail oder Passwort war ungültig<br>";
 echo "Fehler";
 }

}
if(isset($errorMessage)) {
  echo $errorMessage;
 }
?>