OEModule\OphCoMessaging\controllers\DefaultController::isSender PHP Method

    protected function isSender(\OEWebUser $user = null)
    {
        if (is_null($user)) {
            $user = \Yii::app()->user;
        }
        if ($el = $this->getMessageElement()) {
            if ($el->user->id == $user->getId()) {
                return true;
            }
        }
        return false;
    }