HLKD7FOTW - element_get_visible_children()

Oh hey there. It's been more than a week hasn't it? Well shoot. Here's part two of my (now semi-) weekly series about a 'helpful lesser-known Drupal 7 functions' (HLKD7F Of The Week). I'm sharing fun Drupal 7 tidbits that I've discovered along the way; because even though they are obscure, they can be very helpful as a module or core developer.