original_string: public function get_children_count() {
          $sortedids = self::get_tree($this->id);
          $invisibleids = $this->get_not_visible_children_ids();
          return count($sortedids) - count($invisibleids);
      }
code: public function get_children_count() {
          $sortedids = self::get_tree($this->id);
          $invisibleids = $this->get_not_visible_children_ids();
          return count($sortedids) - count($invisibleids);
      }
code_tokens: public function get_children_count ( ) { $ sortedids = self :: get_tree ( $ this -> id ) ; $ invisibleids = $ this -> get_not_visible_children_ids ( ) ; return count ( $ sortedids ) - count ( $ invisibleids ) ; }
docstring: Returns number of subcategories visible to the current user
  
  @return int
docstring_tokens: Returns number of subcategories visible to the current user