original_string: public function info($mchBillno)
      {
          $params = is_array($mchBillno) ? $mchBillno : ['mch_billno' => $mchBillno];
          $base = [
              'appid' => $this->app['config']->app_id,
              'bill_type' => 'MCHT',
          ];
  
          return $this->safeRequest('mmpaymkttransfers/gethbinfo', array_merge($base, $params));
      }
code: public function info($mchBillno)
      {
          $params = is_array($mchBillno) ? $mchBillno : ['mch_billno' => $mchBillno];
          $base = [
              'appid' => $this->app['config']->app_id,
              'bill_type' => 'MCHT',
          ];
  
          return $this->safeRequest('mmpaymkttransfers/gethbinfo', array_merge($base, $params));
      }
code_tokens: public function info ( $ mchBillno ) { $ params = is_array ( $ mchBillno ) ? $ mchBillno : [ 'mch_billno' => $ mchBillno ] ; $ base = [ 'appid' => $ this -> app [ 'config' ] -> app_id , 'bill_type' => 'MCHT' , ] ; return $ this -> safeRequest ( 'mmpaymkttransfers/gethbinfo' , array_merge ( $ base , $ params ) ) ; }
docstring: Query redpack.
  
  @param mixed $params
  
  @return \Psr\Http\Message\ResponseInterface|\EasyWeChat\Kernel\Support\Collection|array|object|string
  
  @throws \EasyWeChat\Kernel\Exceptions\InvalidConfigException
docstring_tokens: Query redpack .