code: public function fill($fields)
      {
          if (!is_array($fields)) {
              return;
          }
          
          if (isset($fields['ID'])) {
              $this->id = $fields['ID'];
          }
          
          $this->fields = $fields;
          
          $this->fieldsAreFetched = true;
          
          if (method_exists($this, 'afterFill')) {
              $this->afterFill();
          }
  
          $this->original = $this->fields;
      }
docs: Fill model fields if they are already known.
  Saves DB queries.
  
  @param array $fields
  
  @return void