Deprecated: Salon\Util\DateInterval::__construct(): Implicitly marking parameter $from as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html1/wp-content/plugins/salon-booking-system/src/Salon/Util/DateInterval.php on line 9

Deprecated: Salon\Util\DateInterval::__construct(): Implicitly marking parameter $to as nullable is deprecated, the explicit nullable type must be used instead in /var/www/html1/wp-content/plugins/salon-booking-system/src/Salon/Util/DateInterval.php on line 9