On Wednesday 06 February 2002 09:59, jtjohnston wrote:
> I'm using this code to create a "Next n Articles >>" on my index.page
> from my mysql database.
> I worked most of it out myself. Then I got some help. It works. I
> thought I understood my own code enough to be able to construct a "<<
> Previous n Articles". I guess not. My coding skills need help.
> So how do I reverse my code to construct the previous n articles from my
> sql database.
>
> if(!$offset)
> {
> $offset = 0;
> }
> $limit = 5;
> $num_rows = 13;#I get this from a mysql operation
>
> #####################################################
> $new_offset = $offset + $limit;
> $disp = $limit;
> if ($new_offset + $limit > $num_rows)
> {
>   $disp = $num_rows - $new_offset;
> }
> if ($disp > 0)
> {
>   $nextinsert  = " <font face=\"arial\" size=2><A
> HREF=\"index.html?offset=".$new_offset."\">Next ".$disp." Articles
> &gt;&gt;</a></font>\n";
> }
>

Something like: 

  $previous = $offset - $limit;
  if ($previous < 0) { $previous = 0; }

then incorporate $previous into your previous link in a similar fashion to 
the next link.


hth


-- 
Jason Wong -> Gremlins Associates -> www.gremlins.com.hk

/*
Random, n.:
        As in number, predictable.  As in memory access, unpredictable.
*/

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