[cynthetiq]

// ########### Xenon's prevent doublepost modification #########
$vbulletin->GPC['xen_isdoublepost'] = false;
// parse custom conditions
$custcond = true;
if (trim($vbulletin->options['xen_dp_custcond']) != '')
{
 eval('$custcond = ((' . $vbulletin->options['xen_dp_custcond'] . ') ? true : false);');
}
 
// at first check if there is at least the possibility to be a doublepost
if ($custcond AND $type != 'thread'
 AND $dp_threadinfo['lastpost'] > TIMENOW - $vbulletin->options['xen_dp_timespan'] * 60
 AND $dp_threadinfo['lastposter'] == $vbulletin->userinfo['username']
 AND $dataman->fetch_field('attach') == 0)
{
 // we are here, so we may have a doublepost -> do more exact checkings
 $doublepost = $vbulletin->db->query_first("
  SELECT post.*
  FROM " . TABLE_PREFIX . "post AS post
  LEFT JOIN " . TABLE_PREFIX . "deletionlog AS deletionlog ON(deletionlog.primaryid = post.postid AND type = 'post')
  WHERE post.threadid = $threadinfo[threadid]
   AND post.dateline > " . (TIMENOW - $vbulletin->options['xen_dp_timespan'] * 60) . "
   AND post.visible = 1 AND deletionlog.primaryid IS NULL
   AND post.postid <> $post[postid]
  ORDER BY post.dateline DESC
  LIMIT 1
 ");
 if ($doublepost['userid'] == $vbulletin->userinfo['userid'] AND $doublepost['attach'] == 0)
 {
  // we truely have a doublepost, now check if the merged post still fits the rules!
  $dpdataman =& datamanager_init('Post', $vbulletin, ERRTYPE_ARRAY, 'threadpost');
  $dpdataman->set_existing($doublepost);
  $doublepost['message'] = $doublepost['pagetext'] . "\n[SIZE=\"1\"][COLOR=\"DarkSlateGray\"]" . '-----Added '.date("j/n/Y"). ' at '.Date("h : i : s").'-----'.$vbulletin->options['xen_dp_spacer'] . "[/color][/size]\n" . $post['message'];
  // set info
  $dpdataman->set_info('preview', $post['preview']);
  $dpdataman->set_info('parseurl', $post['parseurl']);
  $dpdataman->set_info('posthash', $post['posthash']);
  $dpdataman->set_info('forum', $foruminfo);
  $dpdataman->set_info('thread', $dp_threadinfo);
  // set options
  $dpdataman->setr('showsignature', $post['signature']);
  $dpdataman->setr('allowsmilie', $post['enablesmilies']);
  // set data
  $dpdataman->setr('pagetext', $doublepost['message']);
  $dpdataman->setr('iconid', $post['iconid']);
  $dpdataman->pre_save();
  if (!$dpdataman->errors)
  {
   // merged post is ok, so actually do the merging by editing old post
   $vbulletin->GPC['xen_isdoublepost'] = true;
   if ($vbulletin->options['xen_dp_bumpthread'])
   {
    // bump thread, so change the post's dateline
    $doublepost['dateline'] = TIMENOW;
    $dpdataman->setr('dateline', $doublepost['dateline']);
   }
   $dpdataman->save();
   // as we have edited an old post, we can now delete the new created post
   $postman =& datamanager_init('Post', $vbulletin, ERRTYPE_SILENT, 'threadpost');
   $postman->set_existing($post);
   $postman->delete($foruminfo['countposts'], $threadinfo['threadid'], $removaltype = true, array('userid' => $vbulletin->userinfo['userid'], 'username' => $vbulletin->userinfo['username'], 'reason' => $vbulletin->options['xen_dp_editedby'], 'keepattachments' => false), false);
   unset($postman);
   $doublepost['oldmessage'] = $post['message'];
   $post = $doublepost;
   $id = $post['postid'];
   //now add edited by message
   if ($vbulletin->options['xen_dp_editedby'] != '')
   {
    $vbulletin->db->query_write("
     REPLACE INTO " . TABLE_PREFIX . "editlog (postid, userid, username, dateline, reason)
     VALUES ($post[postid], " . $vbulletin->userinfo['userid'] . ", '" . addslashes($vbulletin->userinfo['username']) . "', " . TIMENOW . ", '" . addslashes($vbulletin->options['xen_dp_editedby']) . "')
    ");
   }
   // last step update counters
   build_thread_counters($post['threadid']);
   build_forum_counters($foruminfo['forumid']);
  }
 }
}

I added

$doublepost['message'] = $doublepost['pagetext'] . "\n[SIZE=\"1\"][COLOR=\"DarkSlateGray\"]" . '-----Added '.date("j/n/Y"). ' at '.Date("h : i : s").'-----'.$vbulletin->options['xen_dp_spacer'] . "[/color][/size]\n" . $post['message'];