Fatal error: Uncaught ValueError: array_rand(): Argument #1 ($array) cannot be empty in /var/www/html/index.php:14 Stack trace: #0 /var/www/html/index.php(14): array_rand(Array) #1 /var/www/html/index.php(21): getRandomImage(NULL) #2 {main} thrown in /var/www/html/index.php on line 14