insert_user_cars.php

<?php
    $conn=mysqli_connect("localhost","root","", "Autovermietung");


    if (isset($_POST['submit_kunde'])) {
        $vname = mysqli_real_escape_string($conn, ($_POST['vname']));
        $nname = mysqli_real_escape_string($conn, ($_POST['nname']));

        $sql_kunde = "INSERT INTO Kunde (vorname, nachname)
        VALUES ('$vname', '$nname')";

    mysqli_query($conn, $sql_kunde);
    echo "Kunde wurde erstellt" ;
    }



    if (isset($_POST['submit_auto'])) {
        $km_stand = mysqli_real_escape_string($conn, ($_POST['km_stand']));
        $marke = mysqli_real_escape_string($conn, ($_POST['marke']));
        $modell = mysqli_real_escape_string($conn, ($_POST['modell']));

        $sql_auto = "INSERT INTO Auto (km_stand, marke, modell)
        VALUES ('$km_stand', '$marke', '$modell')";

    mysqli_query($conn, $sql_auto);
    echo "Auto wurde erstellt" ;
    }

    mysqli_close($conn);
?>