Описание темы под ее именем (в списке топиков на форуме)

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE extension SYSTEM "ext-1.0.dtd">
<!--
/**
 * Description topics
 * @copyright Copyright (C) 2015 PanBB
 * @package pan_desc_on_forum
 * @website https://punbb.softplaza.net
 */
-->
<extension engine="1.0"> 
    <id>pan_desc_on_forum</id> 
    <title>Description topics</title> 
    <version>0.1</version> 
    <description>Description topics On Forums.</description> 
    <author>PunBB</author> 
    <minversion>1.4.0</minversion> 
    <maxtestedon>1.4.2</maxtestedon> 
    <install><![CDATA[
// Add extension options to the config table
  forum_config_add('o_pan_desc_on', '0');
  forum_config_add('o_pan_desc_num', '150');
        ]]></install> 
    <uninstall> <![CDATA[ 
// Delete extension options from the config
  forum_config_remove(array(
      'o_pan_desc_on',
      'o_pan_desc_num',
  ));
        ]]></uninstall> 
    <hooks>
        
    <!-- include options -->
    <hook id="aop_features_gzip_fieldset_end"><![CDATA[
?>
      <div class="content-head">
        <h2 class="hn"><span>Описание тем</span></h2>
      </div>

        <legend class="group-legend"><strong><?php echo $lang_admin_settings['Features update legend'] ?></strong></legend>

        <div class="sf-set set<?php echo ++$forum_page['item_count'] ?>">
          <div class="sf-box checkbox">
              <input type="hidden" name="form[pan_desc_on]" value="0" />
            <span class="fld-input"><input type="checkbox" id="fld<?php echo ++$forum_page['fld_count'] ?>" name="form[pan_desc_on]" value="1"<?php if ($forum_config['o_pan_desc_on'] == '1') echo ' checked="checked"' ?> /></span>
            <label for="fld<?php echo $forum_page['fld_count'] ?>"><span>Включить</span>Отображать описание в списке тем на форуме</label>
          </div>
        </div>

        <div class="sf-set set<?php echo ++$forum_page['item_count'] ?>">
          <div class="sf-box text">
            <label for="fld<?php echo ++$forum_page['fld_count'] ?>"><span>Кол-во символов</span><small>Введите число, сколько символов выводить в описании.</small></label><br />
            <span class="fld-input"><input type="text" id="fld<?php echo $forum_page['fld_count'] ?>" name="form[pan_desc_num]" size="10" maxlength="3" value="<?php echo forum_htmlencode($forum_config['o_pan_desc_num']) ?>" required /></span>
          </div>
        </div>
<?php 

    ]]></hook>

        <hook id="vf_row_pre_item_subject_merge"><![CDATA[
if($forum_config['o_pan_desc_on'] == '1')
{
    //Description topics
    $query2 = array(
        'SELECT'  => 'p.topic_id, p.message',
        'FROM'    => 'posts AS p',
        'WHERE'   => 'p.id = '.$cur_topic['first_post_id'].'',
    );

    $result2 = $forum_db->query_build($query2) or error(__FILE__, __LINE__);
    $cur_posts = $forum_db->fetch_assoc($result2);
  
    //strip message
    $desc_topic = $cur_posts['message'];
//        $desc_topic = strip_tags($desc_topic);
    $desc_topic = substr($desc_topic, 0, $forum_config['o_pan_desc_num']);
    $desc_topic = rtrim($desc_topic, "!,.-");
    $desc_topic = substr($desc_topic, 0, strrpos($desc_topic, ' '));
    $desc_topic = (preg_replace('/[hide|b|i|u||quote|code|img|url|email|list|color|video|spoiler|h||)]/', '', $desc_topic));
    $desc_topic = preg_replace('/[^a-zа-яё., ]+/iu', '', $desc_topic);

  $forum_page['item_body']['subject']['topic_desc'] = '<p><small>'.forum_htmlencode($desc_topic).'</small></p>';

}
    ]]></hook>
    </hooks> 
</extension>