Answered by : zany-zebra-ehvhgrknnzm1

@foreach ($categories as $category) <option value="{{ $category->id }}"{{ $category->id === $post->category_id ? ' selected' : '' }}>{{ $category->name }}</option>
@endforeach

Source : https://laracasts.com/discuss/channels/laravel/how-to-show-existed-category-name-in-my-post-edit-form | Last Update : Tue, 02 Nov 21