model observer laravel

1make observer by follow command in Artisan:
2----------------------------------------------
3 php artisan make:Observer ProductObserver --model=<put here path of your Model>
4
5   
6then in app/providers/EventServiceProvider.php at boot Methode write follow code:
7----------------------------------------------------------------------------------
8  public function boot()
9    {
10        Product::observe(ProductObserver::class);
11    }
12
13

1php artisan make:model Flight

1namespace App;
2
3use Illuminate\Database\Eloquent\Model;
4
5class Post extends Model
6{
7    protected $table = 'posts';
8
9    protected $fillable = ['title', 'slug', 'content'];
10
11    protected static function boot()
12    {
13        parent::boot();
14        static::saving(function ($model) {
15            $model->slug = str_slug($model->title);
16        });
17    }
18}

1php artisan make:observer UserObserver --model=User

1<?php
2
3namespace App\Observers;
4
5use App\Models\User;
6
7class UserObserver
8{
9    /**
10     * Handle the User "created" event.
11     *
12     * @param  \App\Models\User  $user
13     * @return void
14     */
15    public function created(User $user)
16    {
17        //
18    }
19
20    /**
21     * Handle the User "updated" event.
22     *
23     * @param  \App\Models\User  $user
24     * @return void
25     */
26    public function updated(User $user)
27    {
28        //
29    }
30
31    /**
32     * Handle the User "deleted" event.
33     *
34     * @param  \App\Models\User  $user
35     * @return void
36     */
37    public function deleted(User $user)
38    {
39        //
40    }
41
42    /**
43     * Handle the User "forceDeleted" event.
44     *
45     * @param  \App\Models\User  $user
46     * @return void
47     */
48    public function forceDeleted(User $user)
49    {
50        //
51    }
52}