002+
003+ Fatal error: Uncaught TypeError: Argument 3 passed to array_intersect_ukey() must be callable, object given in %s/array_intersect_ukey_variation10.php:30
004+ Stack trace:
005+ #0 %s/array_intersect_ukey_variation10.php(30): array_intersect_ukey(Array, Array, Object(classWithoutToString))
006+ #1 {main}
002- Error: 2 - array_intersect_ukey() expects parameter 3 to be a valid callback, no array or string given, %s(%d)
003- NULL
004- Error: 2 - array_intersect_ukey() expects parameter 4 to be a valid callback, no array or string given, %s(%d)
005- NULL
006- ===DONE===
007+ thrown in %s/array_intersect_ukey_variation10.php on line 30