if ($this->filter_mode) $txt = $this->word_filter($txt, false);

/*  
Раскодировка сформированного URL-адреса
*/
$txt = preg_replace( "#<!--FFriend--><noindex><a rel="nofollow" href=["'](http://|https://|ftp://|ed2k://|news://|magnet:)?(S.+?)['"].+?".">(.+?)</a></noindex><!--EndFFriend-->#ie" , "$this->decode_friend('\1\2', '\3')", $txt );

return "<a href="".$url['html']."" ".$target.">".$show."</a>" . $url['end'];

/*
Формирование URL-адреса
*/
if($this->check_home($url['html'])||$this->check_friends($url['html']))
{
       return "<a href="".$url['html']."" ".$target.">".$show."</a>" . $url['end'];
}
else
{
      $url['html'] = $config['http_home_url']."go/?".($url['html']);
      return "<!--FFriend--><noindex><a rel="nofollow" href="".$url['html']."" ".$target.">".$show."</a></noindex><!--EndFFriend-->" . $url['end'];
}

function word_filter($source, $encode = true) {

/*
Функция: "Дружественный URL"
*/    
function check_friends ($url)
{
    global $config;          
    $friend_url = file($config['http_home_url']."engine/friend/friend_url.txt");      
        
    for ($i = 0; $i < count($friend_url); $i++)
    {  
        $value = str_replace("http://", "", trim($friend_url[$i]));
        $value = str_replace("www.", "",    $value);
        $value = explode('/', $value);
        $value = reset($value);
                      
        if ($value == "" ) continue;
        if (strpos($url, $value) === false) continue; else return true;
    }
    return false;
}

return "[leech=".$url."]".$show."[/leech]";
}

/*
Раскодировка сформированного URL-адреса
*/
function decode_friend($url="", $show="")
{    
    global $config;
    $home_url = $config['http_home_url']."go/?";
        
    $url = str_replace($home_url, "", $url);
    $url = explode ("url=", $url);
    $url = end ( $url );
    $url = rawurldecode($url);
        
    return "[url=".$url."]".$show."[/url]";
}

$friend_url = file($config['http_home_url']."engine/friend/friend_url.txt");

DirectoryIndex index.php
RewriteEngine Off