[BUG] Sphinx Full text search on php8.1

[areis422]

Version(s) affected: tested on 3.10.13
PHP Version: 8.1.26
Description
Errors when error_reporting is on

Warning: Undefined property: SphinxClient::$_socket in /var/www/eventum-3.10.13/vendor/sphinx/php-sphinxapi/sphinxapi.php on line 473

Warning: Undefined property: SphinxClient::$_socket in /var/www/eventum-3.10.13/vendor/sphinx/php-sphinxapi/sphinxapi.php on line 474

Fatal error: Uncaught TypeError: fclose(): Argument #1 ($stream) must be of type resource, null given in /var/www/eventum-3.10.13/vendor/sphinx/php-sphinxapi/sphinxapi.php:474 Stack trace: #0 /var/www/eventum-3.10.13/vendor/sphinx/php-sphinxapi/sphinxapi.php(474): fclose() #1 [internal function]: SphinxClient->__destruct() #2 {main} thrown in /var/www/eventum-3.10.13/vendor/sphinx/php-sphinxapi/sphinxapi.php on line 474

How to reproduce
Enable sphinx using php8.1
do a search

Possible Solution
upgrade sphinx library to support php8.X ?

[glensc]

PR is welcome. but afaik the library update drops older sphinx support?