PHP

option selected in laravel blade

<option value="">--Select--</option>
@foreach($array as $key => $arr)
  <option value="{{++$key}}" {{ $selectedValue == $key ? 'selected' : '' }}> {{ $arr }}</option>
@endforeach

blade select selected

    @foreach ($categories as $item)
           @if (isset($produits->categorie_id) && $item->id == $produits->categorie_id || old('categorie_id') == $item->id)
                <option selected value="{{ $item->id }}">{{ $item->libelle }}</option>
           @else
                <option value="{{ $item->id }}">{{ $item->libelle }}</option>
           @endif
   @endforeach

laravel blade @selected

<select name="version">
    @foreach ($product->versions as $version)
        <option value="{{ $version }}" @selected(old('version') == $version)>
            {{ $version }}
        </option>
    @endforeach
</select>