} else { echo '<center><div class="alert alert-danger panel_login">Wrong username or password!</div></center>'; Utils::display_login(); } } else { if ($_GET["action"] == "logout") { Utils::logout(); echo '<center><div class="alert alert-info panel_login">You have been successfully logged out.</div></center>'; Utils::display_login(); } else { if ($_POST["actionDelete"] == "delete") { $count = 0; $delete_status = true; Utils::display_admin_navbar("Category Manager"); foreach ($_POST["ckSelectItem"] as $item) { $delete_status = $delete_status && $trivia->delete_theme($item); $count += 1; } if ($delete_status) { if ($count == 1) { echo '<div class="container"><div class="alert alert-success col-sm-6 col-sm-offset-3">' . '1 Category successfully deleted.</div></div>'; } else { echo '<div class="container"><div class="alert alert-success col-sm-6 col-sm-offset-3">' . $count . ' Categories successfully deleted.</div></div>'; } } else { echo '<div class="container"><div class="alert alert-danger col-sm-6 col-sm-offset-3">Error when trying to delete categories.</div></div>'; } display_theme_panel(); } else { if ($_POST["actionChange"] == "add" && $_POST["txtTheme"]) { Utils::display_admin_navbar("Category Manager");