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- vB3 Programming Discussions (https://vborg.vbsupport.ru/forumdisplay.php?f=15)

- - argh! (https://vborg.vbsupport.ru/showthread.php?t=48974)

N!ck	02-16-2003 03:19 AM

argh!

anyone see why this query shouldn't return any results? if not, could someone please explain exactly what conditions they see in the SELECT statement, so i can go through and double-check everything? thanks.

btw, it's part of an addon i'm making that i *may* release, so i'll be sure to give credit.

PHP Code:


		
			
...

  $start=$pagenumber*$linksperpage;

  $end=$start+$linksperpage;

  $links=$DB_site->query("SELECT user.username,link.* FROM link LEFT JOIN user ON (user.userid=link.userid) WHERE link.folderid='".$folderid."' LIMIT $start, $end");

  while ($link=$DB_site->fetch_array($links)) {

    $link[date]=vbdate("m-d-Y",$link[dateline]);

    $link[time]=vbdate("h:i A",$link[dateline]);

    $link[rating]=round($link[points]/$links[voters],1);

    eval("\$linkbits .= \"".gettemplate("links_listbit")."\";");

  }

...

Xenon

02-16-2003 09:55 AM

hmm, it wouldn't return any results if $folderid isn't set up right or if $pagenumber=0 and $linksperpage=0 from what i can see..

N!ck	02-16-2003 02:38 PM

here's the part just above that. note that $linksperpage is a setting i added in the admin cp.

PHP Code:


		
			
...

  if ($pagenumber=="") {

    $pagenumber="1";

  }

  $start=$pagenumber*$linksperpage;

  $end=$start+$linksperpage;

...

thanks for the reply

Xenon

02-16-2003 04:45 PM

hmm use that if clause instead it's better because it will catch more buggy pagenumbers..

PHP Code:


		
			
if (intval($pagenumber)==0) {

    $pagenumber=1;

  }

N!ck	02-16-2003 06:46 PM

good point, but that doesn't seem to be what's causing it. still changed it though.

Xenon

02-16-2003 08:45 PM

hmm is it called within a function?

maybe you've forgotten to globalize $linksperpage..

N!ck	02-17-2003 03:47 PM

nope, it's not in a function. :( any other ideas?

Xenon

02-17-2003 05:02 PM

hmm, normally this should return a division by zero i think...

this line:

PHP Code:


		
			
$link[rating]=round($link[points]/$links[voters],1);

should be this, am i right?:

PHP Code:


		
			
$link[rating]=round($link[points]/$link[voters],1);

N!ck	02-17-2003 07:56 PM

what's different about the second one?

N!ck	02-17-2003 07:58 PM

oh, got it. thanks. the listing still shows nothing though.

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