Deprecated: Return type of SLN_Helper_CalendarEvent::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/html1/wp-content/plugins/salon-booking-system/src/SLN/Helper/CalendarEvent.php on line 38

Deprecated: Return type of SLN_Helper_CalendarEvent::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/html1/wp-content/plugins/salon-booking-system/src/SLN/Helper/CalendarEvent.php on line 42

Deprecated: Return type of SLN_Helper_CalendarEvent::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/html1/wp-content/plugins/salon-booking-system/src/SLN/Helper/CalendarEvent.php on line 32

Deprecated: Return type of SLN_Helper_CalendarEvent::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /var/www/html1/wp-content/plugins/salon-booking-system/src/SLN/Helper/CalendarEvent.php on line 49