protected function getUrl($start = 0)
 {
     parent::getUrl($start);
     $this->url = 'http://google.ru/search?q=' . rawurlencode($this->keyword) . '&lr=&hl=ru&num=' . $this->perPage;
     if ($this->start > 0) {
         $this->url .= '&start=' . $this->start;
     }
     return $this->url;
 }
 protected function getUrl($start = 0)
 {
     parent::getUrl($start);
     $this->url = 'http://yandex.ru/yandsearch?text=' . rawurlencode($this->keyword) . '&numdoc=' . $this->perPage;
     if ($this->start > 0) {
         $this->url .= '&p=' . $this->start;
     }
     // add region code
     if ($this->context != null && !empty($this->context['region_code'])) {
         $this->url .= '&lr=' . $this->context['region_code'];
     }
     return $this->url;
 }