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############################################################## 
## Mod Title:   shows topic of last made post on index 
## Mod Version: 1.4.0 
## Author:      e-sven <sven@e-sven.net> http://www.e-sven.net 
## Description: -adds lasts post topic to each forum on 
##               the index page (based on read-access) 
##      -word censorship is used 
##      -topic title with more then 27 chars are cut off 
##      -mouseover info displays the full title 
## 
## Installation Level:  easy 
## Installation Time:   2-5 Minutes 
## Files To Edit:       index.php 
## Included Files:      index.php (pre-modded) 
############################################################## 
## History: 
##         0.9 not released beta 
##         1.0 first working release 
##         1.1 optimized db access 
##      1.2 made implementation easier 
##          (only two replaces have to be made) 
##         1.2a just a minor bug (thanks to Acid) 
##         1.3 empty forums where not displayed correctly 
##         1.4 optimized db-query 
############################################################## 
## Before Adding This MOD To Your Forum, 
## You Should Back Up All Files Related To This MOD 
############################################################## 

# 
#-----[ OPEN ]------------------------------------------------ 
# 
index.php 

# 
#-----[ ACTION Find ]----------------------------------------- 
# 
default: 
   $sql = "SELECT f.*, p.post_time, p.post_username, u.username, u.user_id 
   . 
   . 
   . 
   // 
   // 
   // Obtain a list of topic ids which contain 

# 
#-----[ REPLACE WITH ]---------------------------------------- 
# 
default: 
       $sql = "SELECT f.*, p.post_time, p.post_username, u.username, u.user_id, t.topic_title, t.topic_last_post_id " . 
         " FROM ((( " . FORUMS_TABLE . " f " . 
         " LEFT JOIN " . POSTS_TABLE . " p ON p.post_id = f.forum_last_post_id )" . 
         " LEFT JOIN " . USERS_TABLE . " u ON u.user_id = p.poster_id ) " . 
         " LEFT JOIN " . TOPICS_TABLE . " t ON t.topic_last_post_id = p.post_id ) " . 
         " ORDER BY f.cat_id, f.forum_order"; 
      break; 
   } 
   if ( !($result = $db->sql_query($sql)) ) 
   { 
      message_die(GENERAL_ERROR, 'Could not query forums information', '', __LINE__, __FILE__, $sql); 
   } 

   $forum_data = array(); 
   $topic_last_ary = array(); 
   $i=0; 
   while( $row = $db->sql_fetchrow($result) ) 
   { 
      if (!in_array($row['topic_last_post_id'], $topic_last_ary) || $row['topic_last_post_id']==0) { 
         $topic_last_ary[i]=$row['topic_last_post_id']; 
         $i++; 
         $forum_data[] = $row; 
      } 
   } 
   unset($topic_last_ary); 
   if ( !($total_forums = count($forum_data)) ) 
   { 
      message_die(GENERAL_MESSAGE, $lang['No_forums']); 
   } 
    
   // 
   // Filter topic_title not allowed to read 
   // 
   if ( !($userdata['user_level'] == ADMIN && $userdata['session_logged_in']) ) { 
      $auth_read_all = array(); 
      $auth_read_all=auth(AUTH_READ, AUTH_LIST_ALL, $userdata, $forum_data); 
      $auth_data = ''; 
      for($i=0; $i<count($forum_data); $i++) 
      { 
         if (!$auth_read_all[$forum_data[$i]['forum_id']]['auth_read']) { 
            $forum_data[$i]['topic_title']=''; 
         } 
      } 
   } 

   // 
   // Define censored word matches 
   // 
   $orig_word = array(); 
   $replacement_word = array(); 
   obtain_word_list($orig_word, $replacement_word); 

   // 
   // Obtain a list of topic ids which contain 

# 
#-----[ ACTION Find ]----------------------------------------- 
# 
   if ( $forum_data[$j]['forum_last_post_id'] ) 
   { 
   ... 
   } 

# 
#-----[ ACTION Replace With ]--------------------------------- 
# 
   if ( $forum_data[$j]['forum_last_post_id'] ) 
   { 
      $topic_title = $forum_data[$j]['topic_title']; 
      $topic_title2 = $forum_data[$j]['topic_title']; 
       
      // 
      // Censor topic title 
      // 
      if ( count($orig_word) ) 
      { 
         $topic_title = preg_replace($orig_word, $replacement_word, $topic_title); 
         $topic_title2 = preg_replace($orig_word, $replacement_word, $topic_title2); 
      } 
                               
      if (strlen($topic_title)>27) { 
         $topic_title = substr($topic_title,0,24) . '...'; 
      } 

      $last_post_time = create_date($board_config['default_dateformat'], $forum_data[$j]['post_time'], $board_config['board_timezone']); 
      $last_post = '<a href="' . append_sid("viewtopic.$phpEx?"  . POST_POST_URL . '=' . $forum_data[$j]['forum_last_post_id']) . '#' . $forum_data[$j]['forum_last_post_id'] . '" title="' . $topic_title2 . '">' . $topic_title . '</a><br>'; 
      $last_post .= $last_post_time . '&nbsp;<a href="' . append_sid("viewtopic.$phpEx?"  . POST_POST_URL . '=' . $forum_data[$j]['forum_last_post_id']) . '#' . $forum_data[$j]['forum_last_post_id'] . '"><img src="' . $images['icon_latest_reply'] . '" border="0" alt="' . $lang['View_latest_post'] . '" title="' . $lang['View_latest_post'] . '"></a><br>' . $lang['by'] . '&nbsp;'; 
      $last_post .= ( $forum_data[$j]['user_id'] == ANONYMOUS ) ? ( ($forum_data[$j]['post_username'] != '' ) ? $forum_data[$j]['post_username'] . ' ' : $lang['Guest'] . ' ' ) : '<a href="' . append_sid("profile.$phpEx?mode=viewprofile&" . POST_USERS_URL . '='  . $forum_data[$j]['user_id']) . '">' . $forum_data[$j]['username'] . '</a> '; 
   } 
# 
#-----[ SAVE/CLOSE ALL FILES ]---------------------------------- 
#