<?php

    $servername = "localhost";
    $username = "admin";
    $password = "admin";
    $dbname = "aufgabe02";

    function Refresh()
    {
        $con = new mysqli("localhost", "admin", "admin", "aufgabe02");
        $con = new mysqli($servername, $username, $password, $dbname);

        if(!$con)
        {
            die("Connection Problem: ". $con->connect_error);
        }

        $sql = "SELECT * FROM aufgabe02.employee";
        $result = $con->query($sql);
        if(!$result)
        {
            echo "Error: ". $con->error;
        }
        if ($result->num_rows > 0)
        {
            while ($row = $result->fetch_assoc())
            {
                $option = $row["id"] . " " . $row["forename"] . " " . $row["name"] . " " . $row["city"];
                echo "<option>" . $option . "</option>";
            }
        }
        else{
            echo "<option>LEER</option>";
        }

        $con->close();
    }

    function AddUser($id, $forename, $name, $city)
    {
        global $con;

        if($con->connect_error)
        {
            die("Connection Problem: ". $con->connect_error);
        }

        echo $forename;
    }

    if(isset($_POST['sent']))
    {
        echo "moin";
    }

?>