array_map() & array_filter() -> too many expected spaces.

Here is the minimal code I used:

  array_map(function($item) {
    array_filter($item, function($it) {
    });
  }, $items);

On the array_filter line, it says:

Line indented incorrectly; expected 14 spaces, found 4

So... I guess there is something wrong :-) Don't know what though. Just wanted to let you know about this bug.