laravel - Can't get session in controller constructor

Question

In new laravel I can't get session in constructor. Why?

public function __construct() {     dd(Session::all()); //this is empty array } 

and then below

public function index() {     dd(Session::all()); //here works } 

In old laravel i remember there was not this problem. something changed?

Answer 1

You can't do it by default with Laravel 5.3. But when you edit you Kernel.php and change protected $middleware = []; to the following it wil work.

protected $middleware = [     \Illuminate\Foundation\Http\Middleware\CheckForMaintenanceMode::class,     \Illuminate\Session\Middleware\StartSession::class,     \Illuminate\View\Middleware\ShareErrorsFromSession::class, ];  protected $middlewareGroups = [     'web' => [         \App\Http\Middleware\EncryptCookies::class,         \Illuminate\Cookie\Middleware\AddQueuedCookiesToResponse::class,          \App\Http\Middleware\VerifyCsrfToken::class,         \Illuminate\Routing\Middleware\SubstituteBindings::class,     ],     'api' => [         'throttle:60,1',         'bindings',     ], ]; 

Hope this works!

Answer 2

Laravel 5.7 solution

public function __construct() {  $this->middleware(function ($request, $next) { // fetch session and use it in entire class with constructor $this->cart_info = session()->get('custom_cart_information');  return $next($request); });  } 

If you want to use constructor for any other functionality or query or data then do all the work in $this->middleware function, NOT outside of this. If you do so it will not work in all the functions of entire class.