Sergey Biryukov b8290da037 Docs: Improve documentation for WP_Image_Editor::save() and related functions.
Includes:
* Documenting the returned array using hash notation.
* Adding a `@since` note for the `$filesize` value being included in the returned array.

This affects:
 * `wp_generate_attachment_metadata()`
 * `wp_get_attachment_metadata()`
 * `WP_Image_Editor::save()`
 * `WP_Image_Editor_GD::save()` and `::_save()`
 * `WP_Image_Editor_Imagick::save()` and `::_save()`

Follow-up to [22094], [22619], [52837], [53546].

See #55646.
Built from https://develop.svn.wordpress.org/trunk@53547


git-svn-id: http://core.svn.wordpress.org/trunk@53136 1a063a9b-81f0-0310-95a4-ce76da25c4cd
2022-06-21 11:18:17 +00:00
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