function get_page($num,$perpage=12,$page,$url,$maxnum){

    if(!$num)return ;

    $perpage=max(1,$perpage);

    $upage=max(1,$page-1);

    $tpage=$num%$perpage?intval($num/$perpage)+1:intval($num/$perpage);

    if($tpage==1)return;

    $page=min($page,$tpage);

    $nextpage=min(($page+1),$tpage);

    $html='<div class="pagination">';

    $html.='<div class="page-item"><a href="'.$url."&page=$upage".'" class="page-link"><</a></div>';

    for($i=0;$i<=2*$maxnum;$i++){

    $thispage=$page-$maxnum+$i;

    if(($thispage>=1)&&($thispage<=$tpage)){

        if($thispage==$page){

            $html.='<div class="page-item active"><a class="page-link">'.$thispage.'</a></div>';

            }else{

                $html.='<div class="page-item"><a href="'.$url."&page=$thispage".'" class="page-link">'.$thispage.'</a></div>';

            }

        }

    }

    $html.='<div class="page-item"><a href="'.$url."&page=$nextpage".'" class="page-link">></a></div></div>';

    return $html;    

}