Warning: foreach() argument must be of type array|object, null given in /home/jltf-nagasaki/www/photos/func_img.php on line 278

Fatal error: Uncaught TypeError: array_multisort(): Argument #1 ($array) must be an array or a sort flag in /home/jltf-nagasaki/www/photos/func_img.php:281 Stack trace: #0 /home/jltf-nagasaki/www/photos/func_img.php(281): array_multisort() #1 /home/jltf-nagasaki/www/photos/func_img.php(29): sortByKey() #2 /home/jltf-nagasaki/www/photos/photo.php(62): get_dirlist() #3 {main} thrown in /home/jltf-nagasaki/www/photos/func_img.php on line 281