Warning: Undefined variable $validMedia in /var/www/html/RGVLib/detail.php on line 11

Fatal error: Uncaught TypeError: in_array(): Argument #2 ($haystack) must be of type array, null given in /var/www/html/RGVLib/detail.php:11 Stack trace: #0 /var/www/html/RGVLib/detail.php(11): in_array() #1 {main} thrown in /var/www/html/RGVLib/detail.php on line 11