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diff --git a/web/core/modules/file/file.module b/web/core/modules/file/file.module
index 6902db681..b08fad53e 100644
--- a/web/core/modules/file/file.module
+++ b/web/core/modules/file/file.module
@@ -1208,7 +1208,9 @@ function file_managed_file_save_upload($element, FormStateInterface $form_state)
 
     // Value callback expects FIDs to be keys.
     $files = array_filter($files);
-    $fids = array_map(function($file) { return $file->id(); }, $files);
+    $fids = array_map(function ($file) {
+      return $file->id();
+    }, $files);
 
     return empty($files) ? [] : array_combine($fids, $files);
   }