public function actionCheckEmailExist()
{
$model = new CreateUser();
if (isset($_POST['ajax']) && $_POST['ajax'] === 'smart-form-register') {
$model->setScenario('validatemail');
$model->attributes = $_POST['CreateUser'];
if ($model->validate()) {
//validating json data according to action
$model->validateEmail();
} else {
echo json_encode($model->getErrors());
}
Yii::app()->end();
}
}
