fulltext.search.eloquent.php

<?php

class Tag extends Eloquent 
{

  public function scopeSearch($query, $q) 
  {        
          $match = "MATCH(`tag`, `varianti`) AGAINST (?)";
          return $query->whereRaw($match, array($q))->orderByRaw($match.' DESC', array($q));  
  }
  
}

//$tags = Tag::search(Input::get('keywords'))->get();