Fatal error: Uncaught Error: Call to undefined function App\Core\putenv() in /www/wwwroot/baidu-card-pay/src/Core/EnvLoader.php:24 Stack trace: #0 /www/wwwroot/baidu-card-pay/public/index.php(8): App\Core\EnvLoader::load() #1 {main} thrown in /www/wwwroot/baidu-card-pay/src/Core/EnvLoader.php on line 24