WordPress at a glance
filter is not described

wp_get_revision_ui_diff filter-hook . WP 4.1.0

Filters the fields displayed in the post revision diff UI.

Usage

add_filter( 'wp_get_revision_ui_diff', 'filter_function_name_6277', 10, 3 );
function filter_function_name_6277( $return, $compare_from, $compare_to ){
	// filter...

	return $return;
}
$return(array)
Revision UI fields. Each item is an array of id, name and diff.
$compare_from(WP_Post)
The revision post to compare from.
$compare_to(WP_Post)
The revision post to compare to.

Where the hook is called

wp_get_revision_ui_diff()
wp_get_revision_ui_diff
wp-admin/includes/revision.php 130
return apply_filters( 'wp_get_revision_ui_diff', $return, $compare_from, $compare_to );

Where the hook is used (in WP core)

Does not used.