Prevent supplied resource is not a valid stream resource #27261
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The logs are spammed with
fclose()
not being able to close a non-resource:This happens for every file. This pull request aims to check if a source is a valid resource before
fclose()
-ing, otherwise it silently returnstrue
to avoid breaking compatibility.This occurs when the primary storage backend is S3/S3-compatible. Probably also happens in non-standard backends (Openstack, etc.) but wasn't tested.
This has been tested to work on my setup: