Mark existing items when listing?

Question

Laravel

When editing a record, a list of groups is displayed

@forelse($groups as $group)
      <div class="sBsGroupsItm">
          <i class="fas fa-tags"></i>
          <label for="group_{{$group->id}}">
                 <input type="checkbox" id="group_{{$group->id}}" name="groups[]" value="{{$group->id}}">
                  {{$group->name}}
         </label>
    </div>
@empty
@endforelse

how to mark (checked) those id's that exist in the array when outputting forelse

$nGroups = array:2 [▼
  0 => "1"
  1 => "3"
]

Answer 1

<input type="checkbox" id="group_{{$group->id}}" name="groups[]" value="{{$group->id}}"{{ in_array( $group->id, $nGroups ) ? ' checked' : '' }}>