check difference between two dates in laravel code example

Example 1: laravel between dates

$from = date('2018-01-01');
$to = date('2018-05-02');

Reservation::whereBetween('reservation_from', [$from, $to])->get();

Example 2: check if date between two dates laravel eloquent

//get or exist data between two dates
return Set::where('type', $type)
            ->whereDate('active_start', '<=', date("Y-m-d"))
            ->whereDate('active_end', '>=', date("Y-m-d"))
            ->first();
//@sujay