apply_filters( 'load_image_to_edit_attachmenturl', string|false $image_url, int $attachment_id, string|int[] $size )
Filters the path to an attachment’s URL when editing the image.
Description
The filter is only evaluated if the file isn’t stored locally and allow_url_fopen is enabled on the server.
Parameters
- $image_url
-  (string|false) Current image URL. 
- $attachment_id
-  (int) Attachment ID. 
- $size
-  (string|int[]) Requested image size. Can be any registered image size name, or an array of width and height values in pixels (in that order). 
Source
Changelog
| Version | Description | 
|---|---|
| 3.1.0 | Introduced. | 
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Licensed under the GNU GPLv2+ License.
    https://developer.wordpress.org/reference/hooks/load_image_to_edit_attachmenturl