<ul class="pl-3">
    @foreach ($group['all_tests'] as $test)
        @if ($test->sample)
            @if ($test->sample->lab_receive_date && $test->releaseReport)
                @php
                    $date1 = new DateTime($test->sample->lab_receive_date);
                    $date2 = new DateTime($test->releaseReport->releasing_datetime);
                    $holidays_in_between = 0;
                    // get holidays count in between lab_receive_date and due date
                    if (isset($holidays) && isset($date1) && isset($date2)) {
                        $holidays_in_between = $holidays
                            ->where('date', '>=', $date1->format('Y-m-d'))
                            ->where('date', '<=', $date2->format('Y-m-d'))
                            ->count();
                    }
                    $interval = $date1->diff($date2);
                    $days = $interval->days - $holidays_in_between . ' days ';
                @endphp

                <li>{{ $days }}</li>
            @else
                <li>-</li>
            @endif
        @else
            No Sample
        @endif
    @endforeach
</ul>