public function autocompleteUserAction() { $this->_helper->layout()->disableLayout(); $this->_helper->viewRenderer->setNoRender(true); $query = $this->getRequest()->getParam('term'); $userMapper = new Application_Model_UserMapper(); $arrUsers = $userMapper->searchUserByName($query); $arrNames = array(); foreach ($arrUsers as $obUser) { array_push($arrNames, $obUser->getUserName()); } $arrNames = Zend_Json::encode($arrNames); print_r($arrNames); }