[SITE-5390] Add fixes for PHP 8.4.8 compatibility #525
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PHP 8.4.8 Fixes suggested by ClaudeCode
Added proper property declarations in /wp-content/plugins/wp-redis/object-cache.php at line 442-461:
The WP_Object_Cache class was using three properties without declaring them:
$redis - The Redis client instance
$missing_redis_message - Error message string
$global_prefix - Global cache key prefix
The change from $port = -1; to $port = null; is a PHP 8.4 compatibility fix.
PHP 8.4 stricter type handling: PHP 8.4 has stricter type checking, and passing -1 as a port value may trigger deprecation warnings or errors