002+
003+ Fatal error: Uncaught TypeError: Argument 1 passed to ArrayObject::uksort() must be callable, integer given in %s/arrayObject_uksort_error1.php:18
002- Function expects exactly one argument
003- ===DONE===
004+ Stack trace:
005+ #0 %s/arrayObject_uksort_error1.php(18): ArrayObject->uksort(1, 2)
006+ #1 {main}
007+ thrown in %s/arrayObject_uksort_error1.php on line 18