Use snake_case for configuration options

Author: alcaeus

src/DependencyInjection/Configuration.php

@@ -32,11 +32,11 @@ public function getConfigTreeBuilder(): TreeBuilder
                             ->scalarNode('uri')
                                 ->info('MongoDB connection string')
                             ->end()
-                            ->arrayNode('uriOptions')
+                            ->arrayNode('uri_options')
                                 ->info('Additional connection string options')
                                 ->variablePrototype()->end()
                             ->end()
-                            ->arrayNode('driverOptions')
+                            ->arrayNode('driver_options')
                                 ->info('Driver-specific options')
                                 ->variablePrototype()->end()
                             ->end()

src/DependencyInjection/MongoDBExtension.php

@@ -68,8 +68,8 @@ private function createClients(string $defaultClient, array $clients, ContainerB
 
             $clientDefinition = clone $clientPrototype;
             $clientDefinition->setArgument('$uri', $configuration['uri']);
-            $clientDefinition->setArgument('$uriOptions', $configuration['uriOptions'] ?? []);
-            $clientDefinition->setArgument('$driverOptions', $configuration['driverOptions'] ?? []);
+            $clientDefinition->setArgument('$uriOptions', $configuration['uri_options'] ?? []);
+            $clientDefinition->setArgument('$driverOptions', $configuration['driver_options'] ?? []);
 
             $container->setDefinition($serviceId, $clientDefinition);