wp_get_attachment_metadata filter-hook . WP 2.1.0

Filters the attachment meta data.

Usage

add_filter( 'wp_get_attachment_metadata', 'filter_function_name_6345', 10, 2 );
function filter_function_name_6345( $data, $attachment_id ){
	// filter...

	return $data;
}

$data(array/true/false)

Array of meta data for the given attachment, or false if the object does not exist.

$attachment_id(int)

Attachment post ID.

Where the hook is called

return apply_filters( 'wp_get_attachment_metadata', $data, $post->ID );

Where the hook is used (in WP core)