https://pay.dengtop.cn/pay/wxnative/int(8)
<br />
<b>Fatal error</b>:  Uncaught Error: Call to undefined function fallback() in C:\xampp\htdocs\dengtop\pay\wxnative\test.php:25
Stack trace:
#0 {main}
  thrown in <b>C:\xampp\htdocs\dengtop\pay\wxnative\test.php</b> on line <b>25</b><br />