Funktionsfähiges Login / Logout über index.php

fputcsv und fgetcsv mit ',', '"', '\\' ergänzt wegen neuer PHP version

webseite/logout.php

@@ -0,0 +1,22 @@
+<?php
+
+require_once("classes/User.php");
+session_start();
+
+if (isset($_SESSION['user']) && $_SESSION['user'] instanceof User) {
+    $user = $_SESSION['user'];
+    if ($user->logout()) {
+        // Logout successful, redirect to homepage
+        header("Location: index.php");
+        exit();
+    } else {
+        // Logout failed, handle error
+        echo "<script>alert('Logout failed. Please try again.'); window.location.href='index.php';</script>";
+    }
+} else {
+    // No user is logged in, redirect to homepage
+    header("Location: index.php");
+    exit();
+}
+
+?>