Merge pull request #3496 from MartkCz/patch-4

Fix accessing a non existent key

Author: soyuka

src/Bridge/Symfony/Bundle/DependencyInjection/ApiPlatformExtension.php

@@ -180,7 +180,7 @@ private function registerCommonConfiguration(ContainerBuilder $container, array
         $container->setParameter('api_platform.collection.pagination.enabled_parameter_name', $config['defaults']['pagination_enabled_parameter_name'] ?? $config['collection']['pagination']['enabled_parameter_name']);
         $container->setParameter('api_platform.collection.pagination.items_per_page_parameter_name', $config['defaults']['pagination_items_per_page_parameter_name'] ?? $config['collection']['pagination']['items_per_page_parameter_name']);
         $container->setParameter('api_platform.collection.pagination.partial_parameter_name', $config['defaults']['pagination_partial_parameter_name'] ?? $config['collection']['pagination']['partial_parameter_name']);
-        $container->setParameter('api_platform.collection.pagination', $this->getPaginationDefaults($config['defaults'], $config['collection']['pagination']));
+        $container->setParameter('api_platform.collection.pagination', $this->getPaginationDefaults($config['defaults'] ?? [], $config['collection']['pagination']));
         $container->setParameter('api_platform.http_cache.etag', $config['defaults']['cache_headers']['etag'] ?? $config['http_cache']['etag']);
         $container->setParameter('api_platform.http_cache.max_age', $config['defaults']['cache_headers']['max_age'] ?? $config['http_cache']['max_age']);
         $container->setParameter('api_platform.http_cache.shared_max_age', $config['defaults']['cache_headers']['shared_max_age'] ?? $config['http_cache']['shared_max_age']);