Вывод хака в определенных категориях

        // aviable in category
        $my_list = array('1','2','3','4'); // ID category
        
        foreach ($cat_list as $element) {
            if( in_array( $element, $my_list ) ) {
                if( strlen($row['full_story']) < 150 ) {
                    $txt = $row['full_story'];
                } else {
                    $txt = stripslashes($row['full_story']);
                    $adv = '<br /><br /><div align="center"><a href="/" target="_blank"><img src="/templates/Default/images/_banner_.gif" style="border: none;" alt=""></a></div>';
                    $len = round (strlen($txt)/3);
                    $pos = strpos($txt, '<br />', $len);
            
                    if( $pos != 0 ) $txt = substr($txt, 0, $pos) . $adv . substr($txt, $pos);
                }

                $row['full_story'] = $txt;
            }
        }
        // aviable in category