wp_post_revision_meta_keys( string $post_type ): array

560function wp_post_revision_meta_keys( $post_type ) {561	$registered_meta = array_merge(562		get_registered_meta_keys( 'post' ),563		get_registered_meta_keys( 'post', $post_type )564	);565 566	$wp_revisioned_meta_keys = array();567 568	foreach ( $registered_meta as $name => $args ) {569		if ( $args['revisions_enabled'] ) {570			$wp_revisioned_meta_keys[ $name ] = true;571		}572	}573 574	$wp_revisioned_meta_keys = array_keys( $wp_revisioned_meta_keys );575 576	/**577	 * Filter the list of post meta keys to be revisioned.578	 *579	 * @since 6.4.0580	 *581	 * @param array  $keys      An array of meta fields to be revisioned.582	 * @param string $post_type The post type being revisioned.583	 */584	return apply_filters( 'wp_post_revision_meta_keys', $wp_revisioned_meta_keys, $post_type );585}