Description

While testing WordPress 6.4 Beta 3, I found this warning.

Warning: Undefined array key 0 in C:\laragon\www\paidreviews\wp-includes\blocks\image.php on line 211

Step-by-step reproduction instructions

More info here, https://wordpress.slack.com/archives/C02RQBWTW/p1696955157600949

Screenshots, screen recording, code snippet

No response

Environment info

PHP: 8.1
WordPress 6.4 Beta 3 (Upgrade from beta 2 via CLI)
Laragon Local server

Please confirm that you have searched existing issues in the repo.

Yes

Please confirm that you have tested with all plugins deactivated except Gutenberg.

Yes