// at showthread.php, add dynamic keywords from first post
	if ($mybb->settings['cur_file'] == 'showthread.php' && MAX_DESCRIPTION_LEN > 0)
	{$degisken=0;
		// get first post
		$query = $db->query("SELECT subject FROM ".TABLE_PREFIX."posts WHERE tid = '{$mybb->input[tid]}' ORDER BY pid ASC LIMIT 1");
		$row = $db->fetch_array($query);
		if ($row['subject'] != "" && $degisken!=1;) {
			$baslik = seo_clean_baslik($row['subject']);
			$baslik2="$baslik"; 
			$anahtarlar="$baslik"; 
			$virgulluanahtar=str_replace(' ',', ',trim($anahtarlar)); 
			$istediginanahtarlar=$baslik2.", ".$virgulluanahtar; 
			$meta_tag = "\r\n" . '<meta name="keywords" content="'. $istediginanahtarlar .'" />' . "\r\n";
			$page = preg_replace('#<meta(.+?) />#', "\\0{$meta_tag}", $page);$degisken=1;
		}
	}