How to get multiple dimensional array from single dimensional array in php/laravel? code example

Example 1: display data from two dimensional array in vew laravel

@foreach ($object as $foo)
    @foreach ($foo as $name)
        {{ $name }}
    @endforeach
@endforeach`

Example 2: laravel return a single dimensional array

$catcount    = 2;
    $parents_ids = [];
    for ($i = 0; $i < $catcount; $i++) {
        $parents_ids[] = $userCategory[$i];
    }
    $subCats = Category::whereIn('parent_id', $parents_ids)->pluck('id');