Fatal error: Uncaught Error: Call to undefined function Phpcmf\Control\Api\dr_get_app_dir() in D:\DDZL\PHP\Apache24\htdocs\dayrui\Fcms\Control\Api\Pay.php:8 Stack trace: #0 {main} thrown in D:\DDZL\PHP\Apache24\htdocs\dayrui\Fcms\Control\Api\Pay.php on line 8