<?php
	class IndexController extends Yaf_Controller_Abstract{
		public function indexAction(){
			//$this->_view->word = "hello world";
			$message = 'hello';
$example = function ($data) use ($message){
  return "{$data},{$message}";
};
 
echo $example('world');
			//or
			//$this->getView()->word = "hello world";
		}
	}