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:

• ./question/classes/statistics/questions/calculator.php:                ksort($this->randomselectors[$key]);
• ./question/classes/statistics/questions/calculated.php:        ksort($this->variantstats);
• ./question/classes/local/bank/random_question_loader.php:        ksort($this->availablequestionscache[$categorykey]);
• ./question/bank/columnsortorder/tests/column_manager_test.php:        ksort($currentconfig);
• ./question/type/multianswer/question.php:        ksort($simulatedresponse);
• ./question/type/match/question.php:        ksort($simulatedresponse);
• ./question/type/multichoice/question.php:        ksort($simulatedresponse);
• ./question/type/calculated/questiontype.php:        ksort($dataitems);
• ./question/type/calculated/questiontype.php:        ksort($fromform->definition);
• ./question/type/calculatedsimple/questiontype.php:            ksort($question->definition);
• ./question/type/calculatedsimple/edit_calculatedsimple_form.php:                ksort($fromformdefinition);
• ./question/engine/bank.php:        ksort($sortorder);