/**
  * @param $field
  * @return string safe html
  */
 public function highlight($field)
 {
     if (isset($this->highlights[$field])) {
         $highlights = $this->highlights[$field];
         return Highlight::process(implode(' ', $highlights));
     }
     return $this->getValue($field);
 }
 public function highlight($phrase)
 {
     return Highlight::process($phrase);
 }