[Wiki] default csrf security and ajax post in one controller

// this function will be initialize in every controller call which will call initAjaxCsrfToken function
    public function init() {
        parent::init();
        $this->initAjaxCsrfToken();
    }
 
    // this function will work to post csrf token.
    protected function initAjaxCsrfToken() {
 
        Yii::app()->clientScript->registerScript('AjaxCsrfToken', ' $.ajaxSetup({
                         data: {"' . Yii::app()->request->csrfTokenName . '": "' . Yii::app()->request->csrfToken . '"},
                         cache:false
                    });', CClientScript::POS_HEAD);
    }