original_string: public function get_child_ids() {
          $childids = array();
          foreach ($this->items as $child) {
             $childids[] = $child->id;
          }
          return $childids;
      }
code: public function get_child_ids() {
          $childids = array();
          foreach ($this->items as $child) {
             $childids[] = $child->id;
          }
          return $childids;
      }
code_tokens: public function get_child_ids ( ) { $ childids = array ( ) ; foreach ( $ this -> items as $ child ) { $ childids [ ] = $ child -> id ; } return $ childids ; }
docstring: Returns an array of ids of child items.
  
  @return   array peer ids
docstring_tokens: Returns an array of ids of child items .