Fatal error: Uncaught TypeError: array_merge(): Argument #2 must be of type array, string given in /www/wwwroot/shoppcell.fun/product.php:19 Stack trace: #0 /www/wwwroot/shoppcell.fun/product.php(19): array_merge() #1 {main} thrown in /www/wwwroot/shoppcell.fun/product.php on line 19