Fatal error: Uncaught Error: Call to undefined function redirect() in /www/wwwroot/shopvps.sieuthicode.net/controllers/InvoiceController.php:10 Stack trace: #0 /www/wwwroot/shopvps.sieuthicode.net/core/Router.php(99): InvoiceController->__construct() #1 /www/wwwroot/shopvps.sieuthicode.net/index.php(90): Router->__construct() #2 {main} thrown in /www/wwwroot/shopvps.sieuthicode.net/controllers/InvoiceController.php on line 10