Hello World

<?php
class SmartyView extends Zend_View_Abstract
{
    protected $_smarty;

    public function __construct($config = array())
    {
        $this->_smarty = new Smarty();

        if(!isset($config['compileDir']))
            throw new Exception('compileDir is not set for '.get_class($this));
        else
            $this->_smarty->compile_dir = $config['compileDir'];

        if(isset($config['configDir']))
            $this->_smarty->config_dir = $config['configDir'];

        if(isset($config['pluginDir']))
            $this->_smarty->plugin_dir[] = $config['pluginDir'];

        parent::__construct($config);
    }


    public function getEngine()
    {
        return $this->_smarty;
    }

    public function __set($key,$val)
    {
        $this->_smarty->assign($key,$val);
    }

    public function __isset($key)
    {
        $var = $this->_smarty->get_template_vars($key);
        if($var)
            return true;
        
        return false;
    }

    public function __unset($key)
    {
        $this->_smarty->clear_assign($key);
    }

    public function assign($spec,$value = null)
    {
        if($value === null)
            $this->_smarty->assign($spec);
        else
            $this->_smarty->assign($spec,$value);
    }

    
    public function clearVars()
    {
        $this->_smarty->clear_all_assign();
    }

    protected function _run()
    {
        $this->strictVars(true);

        $this->_smarty->assign_by_ref('this',$this);

        $templateDirs = $this->getScriptPaths();

        $file = substr(func_get_arg(0),strlen($templateDirs[0]));
        $this->_smarty->template_dir = $templateDirs[0];
        $this->_smarty->compile_id = $templateDirs[0];

        echo $this->_smarty->fetch($file);
    }
}
?>

//Create the view and set the compile dir to template_c
$view = new SmartyView(array(
                'compileDir' => './template_c'
                ));

//Create a new ViewRenderer helper and assign our newly
//created SmartyView object as the view instance
$viewHelper = new Zend_Controller_Action_Helper_ViewRenderer($view);
$viewHelper->setViewSuffix('tpl');

//Save the helper to the HelperBroker
Zend_Controller_Action_HelperBroker::addHelper($viewHelper);