code: public function parse($response)
      {
          $this->tags = array();
          $this->page = $this->createPage($response);
          $parser     = $this->createParser($this);
          $parser->parse($response->getContent());
          $this->acceptPageEnd();
          $page = $this->page;
          $this->free();
  
          return $page;
      }
docs: Reads the raw content and send events into the page to be built.
  
  @param $response SimpleHttpResponse  Fetched response.
  
  @return SimplePage                   Newly parsed page.