$params) { $final_data[] = array( 'date' => $date, 'height' => $params['height'] ?? 0, 'weight' => $params['weight'] ?? 0, 'bmi' => $params['bmi'] ?? 0, 'sbp' => $params['sbp'] ?? 0, 'dbp' => $params['dbp'] ?? 0, 'rbs' => $params['rbs'] ?? 0, 'fbs' => $params['fbs'] ?? 0, 'ppbs' => $params['ppbs'] ?? 0 ); } echo json_encode($final_data); ?>