Laravel Middleware Learning

1. It runs in middle
2. Application Load and before calling your function at controller
3. It works like police check
4. app/http/middleware
5. handle there is only method
6. pass parameter request , closure next  , guard
7. next is used for next middleware

example 

public function handle(Request $request, Closure $next , guard null){

return $next($next)
}


8. Generate through command line
php artisan make:middleware Test

9. Route::get("/",function(){
 echo "Hello World";
})->middleware(''Log");

Route::get("/",function(){
 echo "Hello World";
},middleware =['test','test2']);

Route::get("/",function(){
 echo "Hello World";
},middleware =['web']);



10. Register middleware
There is 2 types of Kernel
app/http/Kernel.php

Three types of middeware
$middleware
$middlewareGroups
$routeMiddleware

Add in
$routeMiddleware

'logger' => \App\Http\Middleware\LoggerMiddleWare::class,

10.

Route::group(["prefix"=>'admin','middleware'=['web']],function(){

}); 

11. Route::post("/doTest",['uses'=>"AdminController",'middleware' => ['test','test2'] )

12. AdminController extends Controller {

  public function __construct(){
   $this->middleware(['auth','web'], 'only'=>['dashboard']);

 }

public function __construct(){
   $this->middleware(['auth','web'], 'except'=>['dashboard']);
$this->middleware('admin', 'only'=>['postMethod']);

 }
}