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

$forum_data = array();
while( $row = $db->sql_fetchrow($result) )
{
$forum_data[] = $row;
}
$db->sql_freeresult($result);

if ( !($total_forums = count($forum_data)) )
{
message_die(GENERAL_MESSAGE, $lang['No_forums']);
}

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

$sql = "SELECT f.*, p.post_time, p.post_username, u.username, u.user_id, t.topic_title, t.topic_last_post_id " .
" FROM ((( " . FORUMS_TABLE . " f " .
" LEFT JOIN " . POSTS_TABLE . " p ON p.post_id = f.forum_last_post_id )" .
" LEFT JOIN " . USERS_TABLE . " u ON u.user_id = p.poster_id ) " .
" LEFT JOIN " . TOPICS_TABLE . " t ON t.topic_last_post_id = p.post_id ) " .
" ORDER BY f.cat_id, f.forum_order";
break;
}
if ( !($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

if ( $forum_data[$j]['forum_last_post_id'] )
{
...
}

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&amp;" . POST_USERS_URL . '='  . $forum_data[$j]['user_id']) . '">' . $forum_data[$j]['username'] . '</a> ';