$resultStr , 'userid' => $_POST['phpSession']); echo json_encode($HTMLJSON); function insertTan($tan) { require('../dbConnect.php'); //Erstellt variable mit dem namen $database $stmt = $database->prepare("INSERT INTO tans (tan, userID, used) VALUES (?, ?, ?)"); $used = false; $userid = $_POST['phpSession']; //$userid = $_SESSION['user']; //$userid = $_POST['userid']; $stmt->bind_param("ssi", $tan, $userid, $used); try { $stmt->execute(); $database->close(); } catch (PDOException $e) { $e->getMessage(); } } function getTanID($tan){ require('../dbConnect.php'); //Erstellt variable mit dem namen $database $abfrage = "SELECT `id` FROM `tans` WHERE `tan` = '" . $tan . "'"; $ergebnis = mysqli_query($database, $abfrage); $row = $ergebnis->fetch_object(); $resultStr = $row->id; return $resultStr; } ?>