HomeAction::removeNav PHP Method

    public function removeNav()
    {
        $appname = t($_REQUEST['appname']);
        if (is_array($this->navList)) {
            unset($this->navList[$appname]);
        } else {
            $this->navList = array();
        }
        model('Xdata')->put('admin_nav:top', $this->navList);
    }