13.Variable from jquery to php(tpl to controller)

jQuery( ".delete_tipicon" ).click(function() {
var currentdate = new Date();
    var tip_dismiss_time =
                + currentdate.getHours() + ":"
                + currentdate.getMinutes() + ":"
                + currentdate.getSeconds();

 
jQuery(".tip").css('display','none');

    var oData       = new Object();
var dismiss_time    = oData.tip_dismiss_time =tip_dismiss_time;
    alert(dismiss_time);
var formURL    = '<?php echo $this->baseUrl(); ?>' + '/user/index/tipdismisstime';

jQuery.ajax( {
url : formURL,
type: "POST",
dataType: 'json',
data : oData,
success: function (data) {

  alert(data.status);
//location.href = '<?php echo $this->baseUrl(); ?>' + '/members/home';


},
error: function(e){

}
    });
});

/*controller*/

$viewer     = Engine_Api::_()->user()->getViewer();
$this->_helper->viewRenderer->setNoRender(true);
$this->_helper->layout->disableLayout();


$aData = $this->_request->getPost();
$dismiss_time=$aData['tip_dismiss_time'];