use("/", function (array $req, Response $res) { if(isset($_COOKIE["TOKEN"])){ // user mit token finden und im req übergeben $user = new User(""); } }); $app->get("/", function (array $req, Response $res) { $res->send("Hello World"); }); $app->get("/user", function (array $req, Response $res) { $res->send("user"); }); $app->get("/user/:id", function (array $req, Response $res) { $res->send("user " . $req["params"]["id"]); }); $app->post("/login", function( array $req, Response $res) { $username = $req["body"]["username"]; $password = $req["body"]["username"]; $user = new User($username).login($password); if(isset($user)){ setcookie($user->token, "TOKEN"); $res->send("Login successful", 200); }else{ $res->send("Login failed", 403); } }); $app->start();