<?php
class Zend_View_Helper_AutoEscape
{
    private $_unescapedVars = null;
    private $_view;
 
    public function setView($view)
    {
        $this->_view = $view;
    }
 
    public function autoEscape()
    {
        if($this->_unescapedVars === null)
        {
            $vars = $this->_view->getVars();
            $this->_unescapedVars = $vars;
            foreach($vars as $k => $v)
                $this->_view->$k = $this->_view->escape($v);
        }
        else
        {
            $this->_view->assign($this->_unescapedVars);
            $this->_unescapedVars = null;
        }
    }
}