public function executeAjax(sfWebRequest $request) { $this->setLayout(false); if ($request->getParameter('start_date') && $request->getParameter('end_date')) { $pliot_reqs = PilotRequestPeer::getDateRanges($request->getParameter('start_date'), $request->getParameter('end_date')); $ids = array(); $count = 0; foreach ($pliot_reqs as $pliot_req) { $ids[$count] = '|' + $pliot_req->getId(); } return $this->renderText($ids); } }