thinkphp3.2 判断星期几

后台

$w=date('w');
        $week=array(
            ""=>"星期日",
            ""=>"星期一",
            ""=>"星期二",
            ""=>"星期三",
            ""=>"星期四",
            ""=>"星期五",
            ""=>"星期六"
        );
        $zhou =$week[$w];
        $this->assign('zhou',$zhou);

前台

<time>{$zhou}</time>