//model
protected $guarded=['id'];

public function courses()
{
    return $this->hasMany(Course::class);
}

//error
@if ($errors->any())
<ul class="alert alert-danger list-unstyled" >
    @foreach ($errors->all() as $error )
        <li> {{$error}} </li>
    @endforeach
</ul>
@endif

//app servies provider
View::share('cats',Cat::all());


//user
use Illuminate\Support\Facades\Hash;
use Illuminate\Validation\Rules;

    public function adduser(Request $request)
    {
        $data=$request->validate([
            'name' => ['nullable', 'string', 'max:255'],
            'email' => ['nullable', 'string', 'email', 'max:255', 'unique:users'],
            'password' => ['nullable', 'confirmed', Rules\Password::defaults()],
            'type' => ['nullable', 'string', 'max:255'],
            'created_at' => now(),
            'updated_at' => now()
        ]);

         $data['password'] = Hash::make($request->password);
         $user = User::create($data);

         return back();
    }

//log out 
<form   method="POST" action="{{ route('logout') }}">
    @csrf
    <x-jet-dropdown-link class="dropdown-item" href="{{ route('logout') }}"
        onclick="event.preventDefault(); this.closest('form').submit();" style="    text-align: center;">
        <i class="icon-key"></i>      {{ __('Log Out') }}
    </x-jet-dropdown-link>
</form>

//cat
$data=$request->validate([
    'name_en' => 'required|string|max:225',
    'name_ar' => 'required|string|max:225',
    'des_en' => 'required',
    'des_ar' => 'required',
    'img' =>  'nullable|image|mimes:png,jpg,jpeg'
]);
if($request->hasFile('img'))
{
    $imageName = time().'cat.'.$request->img->extension();
    $request->img->move(public_path('uplade/cats'),$imageName);
    $data['img'] = $imageName;
}

update cats
if($request->hasFile('img'))
    {
        $des = 'uplade/main/'.$old_main->img;
        File::delete($des);

        $imageName = time().'main.'.$request->img->extension();
        $request->img->move(public_path('uplade/main'),$imageName);
        $data['img'] = $imageName;
    }