public function get_category($url) {
        if (isset($this->raw[$url])) {
            return new Category($this->api, $this->baseurl, $url, $this->raw[$url]);
        }

        return null;
    }
public function get_category($url) {
        if (isset($this->raw[$url])) {
            return new Category($this->api, $this->baseurl, $url, $this->raw[$url]);
        }

        return null;
    }
public function get_category ( $ url ) { if ( isset ( $ this -> raw [ $ url ] ) ) { return new Category ( $ this -> api , $ this -> baseurl , $ url , $ this -> raw [ $ url ] ) ; } return null ; }
So, this is a category.
Return a sensible object.

@param string $url The category URL.
So this is a category . Return a sensible object .