Describe the bug

Create data/no-cache.txt

Observe following response in requests like /i/?c=extension&a=serve&x=User CSS&f=style.css:

Fatal error: Uncaught Error: Call to undefined function httpConditional() in /var/www/FreshRSS/app/Controllers/extensionController.php:333 Stack trace: #0 /var/www/FreshRSS/lib/Minz/Dispatcher.php(117): FreshRSS_extension_Controller->serveAction() #1 /var/www/FreshRSS/lib/Minz/Dispatcher.php(48): Minz_Dispatcher->launchAction() #2 /var/www/FreshRSS/lib/Minz/FrontController.php(61): Minz_Dispatcher->run() #3 /var/www/FreshRSS/p/i/index.php(59): Minz_FrontController->run() #4 {main} thrown in /var/www/FreshRSS/app/Controllers/extensionController.php on line 333

FreshRSS version

1.27.1-dev