empty array returns 'Invalid argument supplied for foreach()'

hi,

the original error message I got was like this:

warning: Invalid argument supplied for foreach() in /www/htdocs/w00856ed/drupal/modules/user/user.module on line 1507.

I posted this 'bug' already in the forums - but only received similar problem reports from other people:
http://drupal.org/node/160371

Then I finally found some post with a very similar problem:
http://drupal.org/node/125902

..which led me to solving my own problem:

The problem seems to be that in line 1507 (in function user_view($uid = 0)) the user.module returns an error if the array $items is empty. I 'debugged' this for now by adding an appropriate if-statement there so that it now checks if the array actually contains anything:

// Retrieve and merge all profile fields:
  $fields = array();
  foreach (module_list() as $module) {
    if ($data = module_invoke($module, 'user', 'view', '', $account)) {
      foreach ($data as $category => $items) {

  	if ( is_array($items) ) {

        foreach ($items as $key => $item) {
          $item['class'] = "$module-". $item['class'];
          $fields[$category][$key] = $item;
        }
	
        }

      }
    }
  }

I'm actually not realy sure if this is a bug - but now it works - and i don't get any annoying error messages.. Maybe someone else could have a look at it..? Thank you very much!

greetings, till