Redis Cache By Xon 2.18.3

• Add php7+ type hinting
• Add short (per-user) caching for 'user online' widget. On busy forums this may reduce the contention of xf_session_activity table.

• Support using PHP Redis extension for TLS connections when v5.3.0+ is present. Older version will fall back to the pure php implementation for communicating with a redis server

• Extend XF's debugger html output to display redis session stats

• php 8 compatibility fix

• Requires php 7.0+
• Confirmed XF2.2 support
• Work-around for non-numeric style ids to css.php causing unexpected fallback to master style which may not have all the required templates

• Add support for Sentinel AUTH
• Add support for multiple statically configured read slaves.
• Support displaying multiple redis stats in AdminCP home when multiple 'cache context' are configured

• Correctly use 'Small forum threshold' option
  • Cleanup wording around forum count caching options

• Fix "Error: Call to a member function save() on null" when a cache is not defined

• When using redis-sentinel HA, support 'server' configuration option being an array instead of a comma separated list

• Require XenForo 2.1.+
• Fix php 7.4 support
• Support TLS to Redis ('server': 'tls://127.0.0.1:6379')