[Wiki] WordPress Role Based Authentication in Yii

<?php
class wpUser extends CApplicationComponent implements IWebUser, IApplicationComponent {
        public function init ()
        {
            parent::init();
        }
        function checkAccess ($operation, $params = array()) {
            return current_user_can($operation);
        }
        function getId() {
            return get_current_user_id();
        }
        function getIsGuest () {
            $is_user_logged_in = is_user_logged_in();
            return ! $is_user_logged_in;
        }
        function getName () {
            $name = wp_get_current_user()->user_login;
            return $name;
        }
        public function loginRequired()
        {
            wp_login_form(array('redirect' => Yii::app()->getRequest()->getUrl()));
        }
    }
?>

// application components
    'components'=>array(
        'user'=>array(
            'class' => 'wpUser'
//Make sure you delete the allowAutoLogin option
        ));

<?php public function accessRules()
{
    return array(
        array('allow',
            'actions'=>array('index','view'),
            'roles'=>array('publish_posts') 
            //WordPress capability check. 
            //  See @link http://codex.wordpress.org/Roles_and_Capabilities
        ),
 }
 ?>