public function addContent($content, $key = null)
    {
        if (!is_null($key)) {
            $this->contents[$key] = $content;
        } else {
            $this->contents[] = $content;
        }

        return $this;
    }
public function addContent($content, $key = null)
    {
        if (!is_null($key)) {
            $this->contents[$key] = $content;
        } else {
            $this->contents[] = $content;
        }

        return $this;
    }
public function addContent ( $ content , $ key = null ) { if ( ! is_null ( $ key ) ) { $ this -> contents [ $ key ] = $ content ; } else { $ this -> contents [ ] = $ content ; } return $ this ; }
Add content to scrape.

@param string $content
@param null $key
@return Scrapher
Add content to scrape .