Fatal error: Uncaught TypeError: ceil(): Argument #1 ($num) must be of type int|float, string given in /home/rsrv/htdocs/hotel/map_thumb.php:9 Stack trace: #0 /home/rsrv/htdocs/hotel/map_thumb.php(9): ceil() #1 {main} thrown in /home/rsrv/htdocs/hotel/map_thumb.php on line 9