laravel route model binding

1Route::get('/menu/{category}/{product}/{item}', ['as' => 'named.route' , 'uses' => 'MenuController@listItem']);
2
3// to get the actual linke
4route('named.route', ['category' => $category->id, 'product' => $product->id, 'item' => $item->id]);

1Route::get('user/{id}', function ($id) {
2    return 'User '.$id;
3});

1// In RouteServiceProvider
2 public function boot()
3    {
4   		//don't forget import model at the top
5        Route::model('unique_key', Blog::class);
6        Route::bind('unique_key', function ($value) {
7            return Blog::findOrFail($value);
8           //return Blog::where('something', $value)->firstOrFail();
9        });
10   
11   //default laravel codes
12 }

1Route::view('/welcome', 'welcome');
2
3Route::view('/welcome', 'welcome', ['name' => 'Taylor']);

1/**
2 * Retrieve the model for a bound value.
3 *
4 * @param  mixed  $value
5 * @param  string|null  $field
6 * @return \Illuminate\Database\Eloquent\Model|null
7 */
8public function resolveRouteBinding($value, $field = null)
9{
10    return $this->where('name', $value)->firstOrFail();
11}

1Route::bind('user', function($value)
2{
3    return User::where('name', $value)->first();
4});
5
6// We can And Do also this in model..
7
8/**
9 * Retrieve the model for a bound value.
10 *
11 * @param  mixed  $value
12 * @param  string|null  $field
13 * @return \Illuminate\Database\Eloquent\Model|null
14 */
15public function resolveRouteBinding($value, $field = null)
16{
17    return $this->where('name', $value)->firstOrFail();
18}