DateTImeFormatter seperate character ?

How Do i change the seperate character on the date / time formatter?


<?php echo Yii::app()->getDateFormatter()->formatDateTime($data->created, 'long', 'short');?>

See datetimeFormat.

How to set this? Something like


<?php

        Yii::app()->format->datetimeFormat = 'Y-m-d h:i:s A';

        echo Yii::app()->getDateFormatter()->formatDateTime($data->created, 'short', 'short');

        ?>

Does not work…