Currently the definition for file_copy is:
file_copy(stdClass $source, $destination = NULL, $replace = FILE_EXISTS_RENAME)

Where as the file_unmanaged_copy is:
file_unmanaged_copy($source, $destination = NULL, $replace = FILE_EXISTS_RENAME)

The difference is subtle and easily missed but $source in file_copy must be an object while the $source in file_unmanaged_copy must be a string. For consistency reasons, these should be the same type.

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marcingy’s picture

marcingy commented
Version: 7.x-dev » 8.x-dev
Category: bug » task
Issue tags: +Needs backport to D7

Moving to d8 as we deal with issue in head first and although a wtf nothing is actually broken so marking as a task.

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alexpott’s picture

alexpott
he/they
Primary language English
Location 🇪🇺🌍
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Issue summary: View changes
Status: Active » Closed (won't fix)

I think file_copy() is badly named - it is an operation on a File object and file_unmanaged_copy() is an operation on the file as it is on disk not a Drupal entity so there's never really a time when these two can be the same thing. In D8 HEAD file_unmanaged_copy() has been deprecated in favour of \Drupal\Core\File\FileSystemInterface::copy(). Now that the two methods are not sitting next to each other the issue is less prominent and doesn't stick out. Hopefully eventually efforts like #2229865: [meta] Modernize File/StreamWrapper API will lead to file_copy(), file_move() etc will become part of the File entity or a service for managing File entities.