Illuminate\Database\Query\Builder::distinct PHP Method

    public function distinct()
    {
        $this->distinct = true;
        return $this;
    }

 /**
  * Force the query to only return distinct results.
  *
  * @return $this 
  * @static 
  */
 public static function distinct()
 {
     return \Illuminate\Database\Query\Builder::distinct();
 }