code: public function getListForSelect($display = 'name')
      {
          foreach ($this->getList($display) as $key => $value) {
              $countries[$key] = $value[$display];
          }
          
          //return the array
          return $countries;
      }
docs: Returns a list of countries suitable to use with a select element in Laravelcollective\html
  Will show the value and sort by the column specified in the display attribute
  
  @param string display
  
  @return array