|Issue tags:||needs backport to D7|
Describe the problem you have found:
The return value can also be an empty array, when no childs are found. This is not described in the Return value. Users with smart IDEs will benefit from these kind of correct informations.
ps: can somebody please set the Drupal Core version to 7.2 (aka current stable) instead of 7.x-dev when reporting issues? Or is that intended?