url_utils = new Url_Utils(); } abstract public function save( $url, $is_mobile, LCP_Data $lcp_data ); abstract public function get( $url, $is_mobile ): LCP_Data; abstract public function delete_all(); abstract public function get_type(); public function get_object_id() { return false; } public function to_array() { return array(); } public function from_array( $data ) { } protected function make_key( $url, $is_mobile ) { $url = $this->url_utils->normalize_url( $url ); $is_mobile = (int) $is_mobile; return LCP_Helper::KEY_PREFIX . md5( $url . $is_mobile ); } }