/** * Exclude object from result * * @param sfCombine $sfCombine Object to remove from the list of results * * @return sfCombineQuery The current query, for fluid interface */ public function prune($sfCombine = null) { if ($sfCombine) { $this->addUsingAlias(sfCombinePeer::ASSETS_KEY, $sfCombine->getAssetsKey(), Criteria::NOT_EQUAL); } return $this; }