Need help to integrate smary 3.0 with cake PHP 2.0

Hello,

I am trying to integrate smarty template with cakePHP and for that I refer http://bakery.cakephp.org/articles/tclineks/2006/10/27/how-to-use-smarty-with-cake-smartyview document
and came to know it very old one still i modified some steps and reach till include helpers in app_controller.

class AppController extends Controller {

    public $view = 'Smarty';
    public $helpers = array(
        'SmartyHtml',
        'SmartyForm',
        'SmartySession',
        'Html', 'Session'
    );
}

After adding this code in app controller my apache serve got crashed, and i am unable to resolve this issue.

Anyone please help or share document from where i can refer how can we integrate smary with cakePHP.

Thanks in Advance.

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