Chủ đề tương tự ở topic view

<?php

$lang = array (

// Similar Topics
'st_main'   => "Similar Topics",
'st_title'   => "Topic Title",
'st_post_on'  => "This topic was started:",
'st_replies'  => "Replies",
'st_starter'  => "Topic Starter",
'st_views'   => "Views",
'st_lastinfo' => "Last Action",
'st_by'    => "Last post by:",
'st_nodata'   => "No entries to display",

 //-----------------------------------------
 // Process users active in this forum
 //-----------------------------------------

 //-----------------------------------------
 // Similar Topics
 //-----------------------------------------

 $this->output = str_replace( "<!--IBF.SIMILAR_TOPICS-->", $this->similar_topics(), $this->output );

/*-------------------------------------------------------------------------*/
// Render the moderator links
/*-------------------------------------------------------------------------*/

/*-------------------------------------------------------------------------*/
// Similar Topics
/*-------------------------------------------------------------------------*/

function similar_topics()
{
 require_once( ROOT_PATH.'sources/action_public/search.php' );
 $search = new search;
 $search->ipsclass =& $this->ipsclass;

 //-----------------------------------------
 // Get forums we're allowed to read
 //-----------------------------------------

 $this->ipsclass->input['forums'] = 'all';
 $forums = $search->get_searchable_forums();
 $t_fid = ( $forums != "" ) ? "forum_id IN (".$forums.") AND " : "";

 //-----------------------------------------
 // Parse data
 //-----------------------------------------

 $boolean = "";
 if( ($this->ipsclass->DB->sql_can_fulltext_boolean() == TRUE) && ($this->ipsclass->vars['search_sql_method'] == 'ftext') )
 {
  $boolean = ' IN BOOLEAN MODE';
  $t_title = $search->filter_ftext_keywords( $this->topic['title'] );
 }
 else
 {
  $t_title = $search->filter_keywords( $this->topic['title'] );
  $t_title = str_replace("%", "", $t_title);
 }

 $t_title = trim($t_title);
 if( (! $t_title) || ($t_title == "") || (! isset($t_title)) || (strlen($t_title) < 4) )
 {
  return;
 }

 if( ($this->ipsclass->DB->sql_can_fulltext() == TRUE) && ($this->ipsclass->vars['search_sql_method'] == 'ftext') )
 {
  $db_where = " AND MATCH (title) AGAINST ('".$t_title."'".$boolean.")";
 }
 else
 {
  $t_str = explode(" ", $t_title);
  $t_cnt = count($t_str);

  for( $i = 0; $i < $t_cnt; $i++ )
  {
   if( (! empty($t_str[$i])) && (strlen($t_str[$i]) > 3) )
   {
    $words[] = "'%".$t_str[$i]."%'";
    $word[] = ( $t_cnt > 1 ) ? '('.implode(' OR LOWER(title) LIKE ', $words).')' : implode(' OR LOWER(title) LIKE ', $words);
    unset($words);
   }
  }
  $sql_words .= ' '.implode(" OR LOWER(title) LIKE ", $word);
  unset($word);

  $db_where = ( ! empty($sql_words) ) ? " AND (LOWER(title) LIKE ".$sql_words.")" : "";
 }

 $this->ipsclass->DB->simple_construct( array( 'select' => '*',
              'from'   => 'topics',
              'where'  => $t_fid."tid != ".$this->topic['tid']." AND title IS NOT NULL AND approved=1".$db_where,
              'order'  => 'last_post DESC',
              'limit'  => array(0,5) ) );
 $sql = $this->ipsclass->DB->simple_exec();

 if( $this->ipsclass->DB->get_num_rows( $sql ) )
 {
  while( $r = $this->ipsclass->DB->fetch_row( $sql ) )
  {
   $r['start_name'] = $this->ipsclass->make_profile_link( $r['starter_name'], $r['starter_id'] );
   $r['start_date'] = $this->ipsclass->get_date( $r['start_date'], 'LONG' );
   $r['replies']  = $this->ipsclass->do_number_format( intval($r['posts']) );
   $r['views']   = $this->ipsclass->do_number_format( intval($r['views']) );
   $r['last_post']  = $this->ipsclass->get_date( $r['last_post'], 'LONG' );
   $r['last_name']  = $this->ipsclass->make_profile_link( $r['last_poster_name'], $r['last_poster_id'] );

   $data['st_row'] .= $this->ipsclass->compiled_templates['skin_topic']->topic_display_similar_row( $r );
  }
 }
 else
 {
  $data['st_row'] .= "<tr><td class='row2' colspan='5' align='center'><i>{$this->ipsclass->lang['st_nodata']}</i></td></tr>";
 }

 $collapsed_ids = ','.$this->ipsclass->my_getcookie('collapseprefs').',';

 $show['div_fo'] = 'show';
 $show['div_fc'] = 'none';

 if( strstr($collapsed_ids, ',stopics,') )
 {
  $show['div_fo'] = 'none';
  $show['div_fc'] = 'show';
 }

 return $this->ipsclass->compiled_templates['skin_topic']->topic_display_similar( $show, $data );
}

<!--IBF.TOPIC_ACTIVE-->

<!--IBF.SIMILAR_TOPICS-->

<div class='borderwrap' style="display:{$show['div_fc']};" id='fc_stopics'>
<div class='maintitlecollapse'>
 <p class='expand'><a href="javascript:togglecategory('stopics',0);"><{E_PLUS}></a></p>
 <p><{CAT_IMG}> {ipb.lang['st_main']}</p>
</div>
</div>
<div class='borderwrap' style="display:{$show['div_fo']};" id='fo_stopics'>
<div class='maintitle'>
 <p class='expand'><a href="javascript:togglecategory('stopics',1);"><{E_MINUS}></a></p>
 <p><{CAT_IMG}> {ipb.lang['st_main']}</p>
</div>
<table class='ipbtable' cellspacing='1'>
 <tr>
  <th width='50%'>{ipb.lang['st_title']}</td>
  <th width='7%' align='center' nowrap='nowrap'>{ipb.lang['st_replies']}</td>
  <th width='14%' align='center' nowrap='nowrap'>{ipb.lang['st_starter']}</td>
  <th width='7%' align='center' nowrap='nowrap'>{ipb.lang['st_views']}</td>
  <th width='22%' nowrap='nowrap'>{ipb.lang['st_lastinfo']}</td>
 </tr>
 {$data['st_row']}
</table>
</div><br />

 <tr>
  <td class='row2'><a href="{ipb.script_url}showtopic={$data['tid']}" title="{ipb.lang['st_post_on']} {$data['start_date']}">{$data['title']}</td>
  <td class='row2' align='center'>{$data['replies']}</td>
  <td class='row2' align='center'>{$data['start_name']}</a></td>
  <td class='row2' align='center'>{$data['views']}</td>
  <td class='row2'><span class='lastaction'>{$data['last_post']}<br /><a href="{ipb.script_url}showtopic={$data['tid']}&view=getlastpost">{ipb.lang['st_by']}</a> {$data['last_name']}</a></span></td>
 </tr>