check for PHP files to exist before requiring them

Author: xabbuh

symfony/framework-bundle/5.1/src/Kernel.php

@@ -16,11 +16,10 @@ protected function configureContainer(ContainerConfigurator $container): void
         $container->import('../config/{packages}/*.yaml');
         $container->import('../config/{packages}/'.$this->environment.'/*.yaml');
 
-        if (file_exists(\dirname(__DIR__).'/config/services.yaml')) {
+        if (is_file(\dirname(__DIR__).'/config/services.yaml')) {
             $container->import('../config/{services}.yaml');
             $container->import('../config/{services}_'.$this->environment.'.yaml');
-        } else {
-            $path = \dirname(__DIR__).'/config/services.php';
+        } elseif (is_file($path = \dirname(__DIR__).'/config/services.php')) {
             (require $path)($container->withPath($path), $this);
         }
     }
@@ -30,10 +29,9 @@ protected function configureRoutes(RoutingConfigurator $routes): void
         $routes->import('../config/{routes}/'.$this->environment.'/*.yaml');
         $routes->import('../config/{routes}/*.yaml');
 
-        if (file_exists(\dirname(__DIR__).'/config/routes.yaml')) {
+        if (is_file(\dirname(__DIR__).'/config/routes.yaml')) {
             $routes->import('../config/{routes}.yaml');
-        } else {
-            $path = \dirname(__DIR__).'/config/routes.php';
+        } elseif (is_file($path = \dirname(__DIR__).'/config/routes.php')) {
             (require $path)($routes->withPath($path), $this);
         }
     }