php array implement paging

//一周之内获取的时间范围
　　　　　　$now_time = time();
          $total_week =isset($_REQUEST['total_week']) && ($_REQUEST['total_week'] > 0) ? $_REQUEST['total_week'] : 1;
          $begin = $now_time - $total_week * 7 * 86400;
          $statDate = date("Y/m/d", $begin);
          $end = $now_time -($total_week - 1) * 7 * 86400;
          $endDate = date("Y/m/d", $end);
          $pageno = isset($_REQUEST['pageno']) && ($_REQUEST['pageno'] > 0) ? $_REQUEST['pageno'] : 1;
          $pagesize = 10;

　　Refresh page pagination

//是否已经采集完
      if ($pageno < $page_total)
      {

          echo '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';
          echo '当前第'.$total_week.'周，第'.$pageno.'页，共'.$page_total.'页';
          echo '<script>self.location="?total_week='.$total_week.'&pageno='.($pageno + 1).'";</script>';
          exit;
      }
      else
      {
          if ($total_week > 1)
          {
              $next_week = $total_week - 1;
          }
          else
          {
              echo '<script>self.location="xinshengbl.php";</script>';
              echo 'ok';
          }


          echo '<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />';
          echo '当前第'.$total_week.'周，第'.$pageno.'页，共'.$page_total.'页';
          echo '<script>self.location="?total_week='.$next_week.'&pageno=1";</script>;';
          exit;
      }

     return $this->page_array($pagesize,$pageno,$result['goods_list'],0);

　　Array paging function

    / ** 
     * Array paging function core function array_slice 
     * This function first before using all the data inside the database according to a certain order check out into an array 
     * $ count how many pieces of data per page 
     * $ page of the current first few pages 
     * $ check out array for all array 
     * order 0 - unchanged 1- Reverse order 
     * / 
    public function page_array ($ COUNT, Page $, $ array, $ order) { 
        global $ countpage; # set the global variable 
        $ page = (empty ($ ? page)) '1': $ page; # judge whether the current page is empty if it is empty it means that the first page of 
        $ start = ($ page-1 ) * $ count; # calculated for each starting position paged 
        if ( Order. 1 == $) { 
            $ = array_reverse Array ($ Array); 
        } 
        $ COUNT = totals ($ Array); 
        $ countpage = ceil (totals $ / $ COUNT); calculating the total number of pages # 
        $ pagedata = array ();
        PageData array_slice = $ ($ Array, Start $, $ COUNT);
        return $ pagedata; # return query data 
    }