Redis Cache Par Xon 2.18.10

• Require XenForo 2.2+
• Require php 7.2+
• Track latest upstream Credis library
• Fix some errors from Redis would trigger an unhelpful php type error, instead of a more useful error message
• Correctly implement "saveMultiple" method on the cache interface. This method is not used by XenForo (and apparently any other 3rd party).
  • Will be using in an upcoming Cache Permission Checks update

• Track latest upstream Credis library
• Replace "master/slave" terminology with "primary/replica" terminology. Previous config.php setting will still work.

• Fix "CredisException: ERR syntax error ", when a non-integer is passed to \XF::app()->cache->save() without php-redis installed. Known to affect Threadmark's rss caching

• Initial php 8.2 compatibility update

• Fix "Short Thread Count Expiry time" and "Thread Count Expiry time" options where swapped.
• Support caching item-counts in @Bob's Review Management System

• Fix possible redis compatibility issue which may result in empty css being returned instead of a 404

• Fix several php 8.1 compatibility issues with Redis sentinel usage
• Fix bad default port for raw IP when connnecting to multiple redis sentinels

• Fix support for Redis v7+ high-availability using Redis Sentinel
• Add support for redis auth via username/password (vs just password). Requires redis v6+
• PHP:

  $config['cache']['config']['username'] = 'myUsername'; // requires redis 6+, or for cloud redis installations
  $config['cache']['config']['password'] = '....';

• Improve SSL/TLS support, exposing tls/ssl options.
  
  PHP:

  $config['cache']['config']['server'] = 'ssl://127.0.0.1';
  // See https://www.php.net/manual/en/context.ssl.php for details
  $config['cache']['config']['tlsOptions'] = [
  'SNI_enabled' => true,
  ];

• Fix php 8.1+ error with phpredis + socket connections
• Workaround for php 8.0.17+/8.1.4+ issue when zlib output compression & serving css

• Fix case where cached forum thread counts may be inaccurate due to insufficiently specific cache key