Initial Kaffeekasse SaaS restart

app/Core/Autoloader.php

@@ -0,0 +1,24 @@
+<?php
+
+namespace App\Core;
+
+final class Autoloader
+{
+    public static function register(string $rootPath): void
+    {
+        spl_autoload_register(static function (string $class) use ($rootPath): void {
+            $prefix = 'App\\';
+
+            if (!str_starts_with($class, $prefix)) {
+                return;
+            }
+
+            $relativeClass = substr($class, strlen($prefix));
+            $file = $rootPath . '/app/' . str_replace('\\', '/', $relativeClass) . '.php';
+
+            if (is_file($file)) {
+                require_once $file;
+            }
+        });
+    }
+}