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apply_filters( 'wp_get_attachment_metadata', array|bool $data, int $attachment_id )

Filters the attachment meta data.

$data: (array|bool) Array of meta data for the given attachment, or false if the object does not exist.
$attachment_id: (int) Attachment post ID.

Used By	Description
wp-includes/post.php: wp_get_attachment_metadata()	Retrieves attachment metadata for attachment ID.

Version	Description
2.1.0	Introduced.

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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/hooks/wp_get_attachment_metadata