@php use Illuminate\Support\Carbon; $e = Carbon::parse($event->starttime); $m = Carbon::parse($mapper->starttime); $seconds = $e->diffInSeconds($m); $diff = gmdate('H:i:s', $seconds); if ($seconds == 0) { $color = 1; } elseif ($seconds < 1800) { $color = 2; } elseif ($seconds < 7200) { $color = 3; } else { $color = 4; } @endphp