PB Media Cloner causing weird issue on multi app server infrastructure?

I think the UPLOADS constant is just some sort of creative writing in the documentation. The code I am (now) looking at is doing:

$dir = ABSPATH . UPLOADS;

So maybe UPLOADS is only to control the suffix. I think you’ll have better luck with this filter:

	/**
	 * Filters the uploads directory data.
	 *
	 * @since 2.0.0
	 *
	 * @param array $uploads Array of upload directory data with keys of 'path',
	 *                       'url', 'subdir, 'basedir', and 'error'.
	 */
	$uploads = apply_filters( 'upload_dir', $cache[ $key ] );

It will pass an array, and you would want to try to change $uploads['path'], I think.

I’ve never looked into this before. You might want to get a second opinion. My point is the uploads path is coming from wp_handle_upload (and wp_upload_dir) so I’m not sure it’s a Pressbooks problem, that’s all.

New Idea

Maybe we shouldn’t be storing the fullpath of a file, just the relative path, between steps.

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