First version, for githup; UNSTABLE, DO NOT USE!

www/intern/scripts/kampfrichter/ajax/ajax-update_selected_kampfrichter.php

@@ -0,0 +1,51 @@
+<?php
+session_start();
+
+if (!isset($baseDir)) {
+    $baseDir = $_SERVER['DOCUMENT_ROOT'];
+}
+
+$new_value = $_POST['freigabe'] ?? '';
+
+$type = $_POST['type'] ?? 'nan';
+
+$allowedTypes = ['kampfrichter', 'trainer'];
+
+if (in_array($type, $allowedTypes)) {
+    
+
+    $accessKey = "access_granted_" . $type;
+    $idKey = "passcode" . $type . "_id";
+
+    // 3. Check if they have access
+    $hasAccess = isset($_SESSION[$accessKey]) && 
+                 $_SESSION[$accessKey] === true && 
+                 !empty($_SESSION[$idKey]) && 
+                 $_SESSION[$idKey] > 0;
+
+
+    if (!$hasAccess) {
+        echo json_encode(['success' => false, 'message' => 'no permissions']);
+        exit;
+    }
+} else {
+    echo json_encode(['success' => false, 'message' => 'no permissions']);
+    exit;
+}
+
+if (!$new_value) {
+	echo json_encode('Invalid Input');
+	exit;
+}
+
+if ($type === 'kampfrichter'){
+	$_SESSION['selectedFreigabeKampfrichter'] = $new_value;
+}
+
+if ($type === 'trainer'){
+	$_SESSION['selectedFreigabeTrainer'] = $new_value;
+}
+
+// ---------- Return JSON ----------
+echo json_encode(['success' => true, 'message' => 'SESSION updated']);
+exit;