function arrayUnique($array2){
        foreach ($array2 as $key => $value) {
            $v=join(‘,‘,$v);//二维变成一维
            $tmp[]=$v;
        }
        //一维数组去重
        $tmp=array_unique($tmp);
        foreach ($tmp as $key => $value) {
            $tmp[$key]=explode(‘,‘, $value);
        }
        return $tmp;
    }