Pure PHP code to implement Alipay batch payment

//批量付款异步通知处理
class Notify
{
  public $notifyParams;
  //处理成功的信息
  protected $success = [];
  //处理失败的信息
  protected $fail = [];
  //批次号
  protected $batchNo;
  public function save()
  {
    if (!is_array($this->notifyParams)) {
      return false;
    }
    $alipayNotify = new AlipayNotify();
    $alipayNotify->notifyParams = $this->notifyParams;
    $alipayNotify->partner = Yii::$app->params['Alipay.appid'];
    $alipayNotify->key = Yii::$app->params['Alipay.appKey'];
    if (!$alipayNotify->verify()) {
      return false;
    }
    $this->batchNo = $this->notifyParams['batch_no'];
    $this->parseResult();
    //转账成功的
    if (!empty($this->success)) {
      foreach ($this->success as $item) {
        //.........
      }
    }
    //转账失败的
    if (!empty($this->fail)) {
      foreach ($this->fail as $item) {
        //........
      }
    }
    return true;
  }
  //解析结果
  protected function parseResult()
  {
    if (!empty($this->notifyParams['success_details'])) {
      $suArray = explode('|', $this->notifyParams['success_details']);
      foreach ($suArray as $item) {
        $this->success[] = explode('^', $item);
      }
    }
    if (!empty($this->notifyParams['fail_detail'])) {
      $faArray = explode('|', $this->notifyParams['fail_detail']);
      foreach ($faArray as $item) {
        $this->fail[] = explode('^', $item);
      }
    }
  }
}
//用法
$model = new Notify();
$model->notifyParams = $_POST;
if ($model->save()) {
  return 'success';
}
return 'fail';