JL NO DOUBLES - плагин борьбы с дублями - Поисковая оптимизация, продвижение сайтов на Joomla (SEO)

 private function stopWords()
    {
        $stopWords = $this->params->get('stop_words','');
        if(empty($stopWords))
        {
            return false;
        }
        $stopWords = explode("\n", $stopWords);
        if(count($stopWords)){
            $u = JUri::getInstance();
            $uri = $u->toString(array('path', 'query'));
            foreach($stopWords as $stopWord){
                if(strpos($uri, trim($stopWord))!== false){
                   return true;
                }
            }
        }
        return false;
    }

     private function stopWords()
    {
		$langObj = JFactory::getLanguage();
		$lang = current(explode("-",$langObj->getTag()));		
		if(str_replace(array("$lang","$lang/"),"",JURI::current())!= JURI::base()) {
			$lang = '';		
		}
		
        $stopWords = $this->params->get('stop_words',$lang);
        if(empty($stopWords))
        {
            return false;
        }
        $stopWords = explode("\n", $stopWords);
        if(count($stopWords)){
            $u = JUri::getInstance();
            $uri = $u->toString(array('path', 'query'));
            foreach($stopWords as $stopWord){
                if(strpos($uri, trim($stopWord))!== false){
                   return true;
                }
            }
        }
        return false;
    }

[Sun Apr 19 10:25:36 2015] [warn] [client 92.222.68.15] mod_fcgid: stderr: PHP Warning:  strpos(): Empty needle in /var/www/mihanja80/data/www/videorip.info/plugins/system/jlnodoubles/jlnodoubles.php on line 221, referer: http://www.videorip.info/registratsiya
[Sun Apr 19 10:25:36 2015] [warn] [client 92.222.68.15] mod_fcgid: stderr: PHP Warning:  strpos(): Empty needle in /var/www/mihanja80/data/www/videorip.info/plugins/system/jlnodoubles/jlnodoubles.php on line 221, referer: http://www.videorip.info/forum/
[Sun Apr 19 10:26:40 2015] [warn] [client 92.222.68.15] mod_fcgid: stderr: PHP Warning:  strpos(): Empty needle in /var/www/mihanja80/data/www/videorip.info/plugins/system/jlnodoubles/jlnodoubles.php on line 221
[Sun Apr 19 10:28:45 2015] [warn] [client 92.222.68.15] mod_fcgid: stderr: PHP Warning:  strpos(): Empty needle in /var/www/mihanja80/data/www/videorip.info/plugins/system/jlnodoubles/jlnodoubles.php on line 221
[Sun Apr 19 10:29:19 2015] [warn] [client 92.222.68.15] mod_fcgid: stderr: PHP Warning:  strpos(): Empty needle in /var/www/mihanja80/data/www/videorip.info/plugins/system/jlnodoubles/jlnodoubles.php on line 221
[Sun Apr 19 10:30:44 2015] [warn] [client 92.222.68.15] mod_fcgid: stderr: PHP Warning:  strpos(): Empty needle in /var/www/mihanja80/data/www/videorip.info/plugins/system/jlnodoubles/jlnodoubles.php on line 221
[Sun Apr 19 10:31:33 2015] [warn] [client 92.222.68.15] mod_fcgid: stderr: PHP Warning:  strpos(): Empty needle in /var/www/mihanja80/data/www/videorip.info/plugins/system/jlnodoubles/jlnodoubles.php on line 221
[Sun Apr 19 10:32:57 2015] [warn] [client 92.222.68.15] mod_fcgid: stderr: PHP Warning:  strpos(): Empty needle in /var/www/mihanja80/data/www/videorip.info/plugins/system/jlnodoubles/jlnodoubles.php on line 221
[Sun Apr 19 10:34:03 2015] [warn] [client 92.222.68.15] mod_fcgid: stderr: PHP Warning:  strpos(): Empty needle in /var/www/mihanja80/data/www/videorip.info/plugins/system/jlnodoubles/jlnodoubles.php on line 221
[Sun Apr 19 10:36:47 2015] [warn] [client 92.222.68.15] mod_fcgid: stderr: PHP Warning:  strpos(): Empty needle in /var/www/mihanja80/data/www/videorip.info/plugins/system/jlnodoubles/jlnodoubles.php on line 221
[Sun Apr 19 10:39:30 2015] [warn] [client 92.222.68.15] mod_fcgid: stderr: PHP Warning:  strpos(): Empty needle in /var/www/mihanja80/data/www/videorip.info/plugins/system/jlnodoubles/jlnodoubles.php on line 221, referer: http://www.videorip.info/

                if(strpos($uri, trim($stopWord))!== false){

if(empty(trim($stopWord))){
    continue;
}