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Version: 1.00, by Velocd Velocd is offline
Developer Last Online: Nov 2023 Show Printable Version Email this Page

Version: 2.2.x Rating:
Released: 08-16-2002 Last Update: Never Installs: 53
 
No support by the author.

vB3 Similar Threads for 2.2.x
Clone version | by Velocd

This hack, as well all my other vB2 hacks, I no longer provide support for (being I run vB3 and it's too much hassel to debug vB2). When vB3 Release Candidate comes out, by request I might convert some of my hacks.

Install time: 6 minutes
File edits: 1 (showthread.php)
Template edits: 1 (showthread)
New templates: 2 (showthread_similarthreads, showthread_similarthreadbits)




What is it?
Basically this hack will check for other similar thread titles within the forum of the thread you are viewing, then it will display the most similar threads, based on a similar-priority setting you choose, at the bottom of that thread.

Why did I make it?
This hack instantly drew my attention when I first saw it at the Jupiter vB3 forums. I figured it couldn't be that bad to make, and why wait when it's such a simple feature to integrate as a standalone hack? So, I opened up my TextPad and started coding.

Personally, I HIGHLY doubt the method and coding I used in my hack is at all similar to the one at Jupiter vB3, but it seems to work just as fine. Even on my small forum the results on some threads look good, while for a large forum such as vB.org the results would look 3x as better.

Features:
  • Displays everything that the vB3 similar threads does.
  • Also gives a description of the thread, only if you have the thread-description hack installed. (source: here)

Bugs?
Depending on the priority level you pick, some threads that you are "dead sure" to have a similar result might not show. You might have to toggle the priority level at first, to get it set just right. Other than this, it's fairly clean.
See a demo at this thread, scroll to bottom:
http://beta.vbulletin.com/vb3/showth...p?threadid=990

Screenshots? Demo's?
See the next post for a screenshot. Want a demo? Visit the similar thread feature at the Jupiter vB3 forums


------------- Installation -------------

#1. In showthread.php, find:
PHP Code:
if ($noshutdownfunc) {
  
$DB_site->query("UPDATE thread SET views=views+1 WHERE threadid='$threadid'");
} else {
  
$shutdownqueries[]="UPDATE LOW_PRIORITY thread SET views=views+1 WHERE threadid='$threadid'";
}

if (
$bbuserinfo[cookieuser]) {
  
vbsetcookie("bbthreadview[$threadid]",time(),0);

Above it place:
PHP Code:
//////////////////////////////////////////////////
// vBulletin3 Similar Threads "clone" by Velocd //
//////////////////////////////////////////////////

//////////////////////////// CONFIGURE ////////////////////////////////
$description_option 0//1 = on, 0 = off. (use only if you have THREAD descriptions installed)
if($description_option){ $desc ",description"; }
$limit 4//Set the limit to the maximum amount of results to display
$priority 60//KEY: [less accurate, more results <0 --- 25 ---- 50 ---- 75 --- 100> more accurate, less results]
$previewcharacters 150//Amount of characters shown in the preview
///////////////////////////////////////////////////////////////////////

$rthreads=$DB_site->query("SELECT threadid,title,postusername,replycount,lastpost,postuserid,dateline$desc
            FROM thread
            WHERE forumid='
$thread[forumid]'
            ORDER BY dateline"
);

$validtitle trim(strtolower($thread[title])," \t.");
$count 0;

while (
$rthread $DB_site->fetch_array($rthreads)) {
    
$validthread trim(strtolower($rthread[title])," \t.");

    
similar_text($validtitle$validthread, &$similarity);

    if(
$similarity $priority){
        
$similar[title] = $rthread[title];
        
$similar[threadid] = $rthread[threadid];
        
$similar[postusername] = $rthread[postusername];
        
$similar[postuserid] = $rthread[postuserid];
        
$similar[replycount] = $rthread[replycount];
        
$similar[date] = vbdate($dateformat,$rthread[lastpost]);
        
$similar[description] = $rthread[description];


        if (
strlen($similar[description]) > 150) {
            
$similar[description] = substr($similar[description], 0$previewcharacters) . "..."; } else {
            
$similar[description] = $similar[description];
        }

        if(
$similar[threadid] != $thread[threadid] && $count $limit){
        
$count++;
        eval(
"\$similarthreadbits .= \"".gettemplate("showthread_similarthreadbits")."\";"); } 
    }
}

if(
$count != 0){
eval(
"\$similarthreads .= \"".gettemplate("showthread_similarthreads")."\";"); }

////////////////////////////
// End Similar Threads /////
//////////////////////////// 
Now look at this block of code from above:
PHP Code:
//////////////////////////// CONFIGURE ////////////////////////////////
$description_option 0//1 = on, 0 = off. (use only if you have THREAD descriptions installed)
if($description_option){ $desc ",description"; }
$limit 4//Set the limit to the maximum amount of results to display
$priority 60//KEY: [less accurate, more results <0 --- 25 ---- 50 ---- 75 --- 100> more accurate, less results]
$previewcharacters 150//Amount of characters shown in the preview
/////////////////////////////////////////////////////////////////////// 
As detailed, those variables change how this hack works. The main thing you need to notice is $priority, which at default is set at 60, which I've found on my forums to be good. As said in the KEY in comments, a higher priority will get you more accurate similar threads, but less results. Ofcourse, a high priority is ideal for a large forum. Lower priority vice versa.


#2. Create a new template called
showthread_similarthreads
, and place inside:
Code:
<table cellpadding="{_tableouterborderwidth}" cellspacing="0" border="0" bgcolor="{_tablebordercolor}" {_tableouterextra} width="{_contenttablewidth}" align="center">
<tr><td>
<table cellpadding="4" cellspacing="{_tableinnerborderwidth}" border="0" {_tableinnerextra} width="100%">
<tr>
	<td bgcolor="{_tableheadbgcolor}" width="{_tablewidth}" colspan="4" align="center">
<normalfont color="{_tableheadtextcolor}">
<b>Similar Threads</b></normalfont></td>
</tr>
<tr align="center" bgcolor="{_categorybackcolor}" background="https://vborg.vbsupport.ru/images/catagory_backing.gif">
	<td align="center" nowrap><span><smallfont><b>Thread</b></smallfont></span></td>
	<td nowrap><span><b><smallfont>Thread Starter</smallfont></b></span></td>
	<td nowrap><span><smallfont><b>Replies</b></smallfont></span></td>
	<td nowrap><span><smallfont><b>Last Post</b></smallfont></span></td>
</tr>
$similarthreadbits
</table>
</td></tr></table>
<br>
In the code above, take out all the underscores (ie. _) out of the replacement variables, such as {_tablewidth}, or else they will not work.

#3. Create a new template called showthread_similarthreadbits, and place inside:
Code:
<tr align="center">	
<td width="60%" align="left" bgcolor="{_firstaltcolor}"><normalfont>
<a href="showthread.php?s=$session[sessionhash]&forumid=$thread[forumid]&threadid=$similar[threadid]" 
title="$similar[description]">$similar[title]
</a></normalfont></td>
	<td width="20%" bgcolor="{_secondaltcolor}" nowrap="nowrap"><normalfont>
<a href="member.php?s=$session[sessionhash]&action=getinfo&userid=$similar[postuserid]">$similar[postusername]
</a></normalfont></td>
	<td bgcolor="{_firstaltcolor}"><normalfont>$similar[replycount]</normalfont></td>
	<td bgcolor="{_secondaltcolor}" width="20%"><normalfont>$similar[date]</normalfont>
</td>
</tr>
In the code above, take out all the underscores (ie. _) out of the replacement variables, such as {_secondaltcolor}, or else the colors wont show.

#4. In the template showthread, find:
Code:
<!-- thread options links -->
<table cellpadding="0" cellspacing="0" border="0" bgcolor="#0A293E"   align="center"><tr><td>
On the line above it place:
Code:
$similarthreads

------------- End -------------

That's it! Pretty easy and quick to install, which is the nicest part about it.

If you use this hack remember, please click install! Without it, you might have had to wait till vB3

Show Your Support

  • This modification may not be copied, reproduced or published elsewhere without author's permission.

Comments
  #2  
Old 08-16-2002, 11:01 PM
DrkFusion's Avatar
DrkFusion DrkFusion is offline
 
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nice work man.

Drk
  #3  
Old 08-16-2002, 11:05 PM
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Velocd Velocd is offline
 
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Here is that screenshot mentioned (attached)

Hope you all enjoy
  #4  
Old 08-16-2002, 11:26 PM
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DrkFusion DrkFusion is offline
 
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This is amazing, works like a charm
Too bad I can't show off my board :'(
If anyone can access
http://localhost, feel free to check out my board
Drk
  #5  
Old 08-16-2002, 11:31 PM
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Velocd Velocd is offline
 
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Nobody can access your local host
But anyways, glad you enjoy ^_^
  #6  
Old 08-16-2002, 11:58 PM
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How does this work?
Does it do a search on the words used in the subject line?
  #7  
Old 08-17-2002, 12:07 AM
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pattox2k1 pattox2k1 is offline
 
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Quote:
#4. In showthread.php, find:

code:
<!-- thread options links -->
<table cellpadding="0" cellspacing="0" border="0" bgcolor="#0A293E" align="center"><tr><td>




On the line above it place:

code:
$similarthreads
that aint in the showthread.php file......do you mean the template? cause i put it in the template and it dosent show anything......
  #8  
Old 08-17-2002, 12:11 AM
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Velocd Velocd is offline
 
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Quote:
How does this work?
Does it do a search on the words used in the subject line?
No, it uses a function called similar_text, which calculates the similarity between two strings.

PHP Code:
similar_text($validtitle$validthread, &$similarity); 
Once it finds the similarity, I compare it to the user-defined priority level of similarity between threads.

I tried using another similar function called levenshtein, which is suppose to have better performance (in speed I guess), but it didn't exactly work, or not as well as similar_text does.

At first I did think about putting it through a search, and grabbing the top four or so results, but this is much easier, and only requires one query.

Quote:
that aint in the showthread.php file......do you mean the template? cause i put it in the template and it dosent show anything......
why, yes! that is what I mean
*goes to fix*
  #9  
Old 08-17-2002, 12:16 AM
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ULTIMATESSJ ULTIMATESSJ is offline
 
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heh i seenthis hack commign, when i seen the vB3 beta, nice work Velocd, you are definately getting a lot better at this stuff
  #10  
Old 08-17-2002, 01:32 AM
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[D]Vincent [D]Vincent is offline
 
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Nice hack, I probably won't install it though lol
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