Based on an Audit of the code, this component has the following uses of ksort without an explicit sort order which means SORT_REGULAR is applied by default and this sort behavior changes in PHP 8.2.
See: https://php.watch/versions/8.2/ksort-SORT_REGULAR-order-changes

Instances:

• ./lib/tests/component_test.php:        ksort($sortedapis); // We'll need this later.
• ./lib/tests/collator_test.php:        $result = core_collator::ksort($arr);
• ./lib/tests/collator_test.php:        core_collator::ksort($b);
• ./lib/filestorage/tests/file_storage_test.php:        ksort($originalrecord);
• ./lib/behat/classes/behat_config_util.php:        ksort($cleanfeatures);
• ./lib/behat/classes/behat_config_util.php:        ksort($this->contexts);
• ./lib/behat/classes/behat_config_util.php:        ksort($themes);
• ./lib/behat/classes/behat_config_util.php:        ksort($dirs);
• ./lib/behat/classes/behat_config_util.php:        ksort($features);
• ./lib/testing/classes/tests_finder.php:        ksort($plugintypes);
• ./lib/testing/classes/tests_finder.php:            ksort($plugs);
• ./lib/testing/classes/tests_finder.php:        ksort($subsystems);
• ./lib/testing/classes/tests_finder.php:        ksort($dirs);
• ./lib/phpunit/classes/util.php:        ksort($plugintypes);
• ./lib/phpunit/classes/util.php:            ksort($plugs);