PHPBB 3.0 Similar Post / Topic Mod
by Liv | Published on April 3rd, 2009, 8:41 am | Advice
This Mod searches for similar or like post and topics based on the originating post title. In this latest release, I've attempted to make it work on various installs, but it is generally, just stored here for my use. Feel free to use or modify but please retain a link to this release page as a courtesy. In Viewtopic.php find:
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// Replace naughty words in title
$topic_data['topic_title'] = censor_text($topic_data['topic_title']);
Below add:
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// SIMILAR TOPIC POST MOD FOR PHPBB 3 OLYMPUS
// COPYRIGHT, LIV JONES
// 8/10/1010
// Enable Forum Only Option
$forum_only="";
// $forum_only="AND t.forum_id = $forum_id";
// Private Forum Option
$priv_forum="AND p.forum_id <> 27 AND p.forum_id <> 28";
// ************************************************************
if ($topic_id &1) {$direction="DESC ";} else {$direction="";}
$sim_top=preg_replace("/[^A-Za-z ]/","",$topic_data['topic_title']);
$sim_top=strtolower($sim_top);
$sim_top_b=explode(" ",$sim_top);
$chkdups=array();
foreach ($sim_top_b as $bt) {
$limit=2;
$bt2=preg_replace("!\\b\\w{1,4}\\b!", "", $bt);
$bt=preg_replace("!\\b\\w{1,5}\\b!", "", $bt);
if ($bt=="" && $bt2 !="") {$bt=$bt2; $limit=1;}
else if ($bt=="") {continue;}
$sql = "SELECT * FROM ". POSTS_TABLE ." as p, ". TOPICS_TABLE ." as t WHERE p.topic_id <> $topic_id AND p.topic_id = t.topic_id ". $forum_only ." AND t.topic_first_post_id = p.post_id ". $priv_forum ." AND p.post_approved = 1 AND LOWER(p.post_subject) LIKE '%".$bt."%' ORDER BY p.topic_id ".$direction."LIMIT ".$limit;
$result = $db->sql_query($sql);
while ($data=mysql_fetch_array($result)) {
if (in_array($data['topic_id'],$chkdups)) {continue;}
array_push($chkdups, $data['topic_id']);
if ($count_links > 4) {continue;}
else {$count_links=$count_links+1; }
$data['topic_title'] = censor_text($data['topic_title']);
$topic_top_o=$topic_top_o.'<li><a href="http://'.$_SERVER['HTTP_HOST'].'/viewtopic.'.$phpEx.'?f='.$data['forum_id'].'&t='.$data['topic_id'].'">'.$data['topic_title'].'</a>';
}
}
if ($topic_top_o != "") {
$topic_top_o='<div style="float:left; width:600px; margin:10px;">
<p><b>Similar Articles:</b>'.$topic_top_o.'</p><p><small><small><a href="http://greensboring.com/viewtopic.php?f=23&t=10174">PHPBB Similar Topic Mod</a></small></small></p></div>';
}
if ($_GET['start'] > 0) {$topic_top_o='';}
// END SIMILAR TOPIC POST MOD
find:
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'FORUM_ID' => $forum_id,
add right after:
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'TOPIC_TOP' => $topic_top_o,
Open viewtopic template and add where necessary: (usually below postrow.message)
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<!-- IF postrow.S_FIRST_ROW -->
{TOPIC_TOP}
<!-- ENDIF -->
