get_list(); $modelSwitchId = $modelId + 1; if (!isset($modelList['models'][$modelSwitchId-1])) $modelSwitchId = 1; header("Content-type: application/json"); echo json_encode(array('model' => array( 'id' => $modelSwitchId, 'name' => $modelList['models'][$modelSwitchId-1], 'message' => $modelList['messages'][$modelSwitchId-1] )), JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);