This is actually the same as the previous issue I reported and indeed that issue is resolved. But now PHP8.1 gives fatal error:
Fatal error: Uncaught TypeError: array_key_exists(): Argument #2 ($array) must be of type array, bool given in /home/xyz/sites/
sitename/public/content/plugins/apcu-manager/includes/system/class-apcu.php:119
This is actually the same as the previous issue I reported and indeed that issue is resolved. But now PHP8.1 gives fatal error:
This is the working command in PHP7.4:
And this is the command that gives the fatal error: