difference in date using carbon 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 compare same date
$date1->toDateString() == $date2->toDateString()