UpdateUserRequest.php

<?php

class UpdateUserRequest extends BaseRequest
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return bool
     */
    public function authorize(): bool
    {
        return auth()->user()->isAdmin();
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules(): array
    {
        return [
            'first_name' => 'required',
            'last_name' => 'required',
            'address_name' => 'required',
        ];
    }
}

UserController.php

<?php

class UserController
{
    public function update(UpdateUserRequest $request)
    {

        $user = User::findOrFail($request->get('user_id'));
        $user->active = $request->get('active', false);
        $user->first_name = $request->get('first_name');
        $user->last_name = $request->get('last_name');
        $user->address = $request->get('address');
        $user->save();

        return redirect()->back();
    }
}