plugin Form Ausgabe in admin Bereich Anzeigen

if (isset($_POST['form_action_Show'])) {
    show_seminare();
}
if ($_POST['form'] == "SeminarEditSelect") {
    show_seminar_edit();
}


function show_seminare() {
    echo "<div class=\"FormDivSeminare\">";
    echo "<h3>Seminare</h3>";
    echo "<form name=\"form_editseminar\" method=\"post\" action=\"".action_page()."\" >\n";
    echo "<input name=\"form\" value=\"SeminarEditSelect\" type=\"hidden\" />\n";


...
}


// Adminmenu Optionen erweitern
function add_menus() {
    add_menu_page('Seminare Verändern', 'Seminare', 8, __FILE__, 'show_seminar_main');    


    add_submenu_page(__FILE__, 'Seminare Anzeigen', 'Anzeigen', 8, 'show_seminare', 'show_seminare');
}


add_action('admin_menu', 'add_menus');