Fatal error: Uncaught TypeError: abs(): Argument #1 ($num) must be of type int|float, string given in /home/sterhotel/domains/sterhotel.nl/public_html/img.php:232 Stack trace: #0 /home/sterhotel/domains/sterhotel.nl/public_html/img.php(232): abs('-') #1 {main} thrown in /home/sterhotel/domains/sterhotel.nl/public_html/img.php on line 232