laravel carbon subtract days code example

Example 1: different days in carbon laravel between different dates

$created = new Carbon($survey->created_at);
$now = Carbon::now();
$difference = ($created->diff($now)->days < 1)
    ? 'today'
    : $created->diffForHumans($now);

Example 2: carbon subdays

$users = Users::where('status_id', 'active')
           ->where( 'created_at', '>', Carbon::now()->subDays(30))
           ->get();