WordPress功能get_the_modified_author() 将为您提供上次编辑当前帖子的作者。

但是，如果要列出所有已编辑当前帖子的用户，可以尝试：

function get_the_modified_authors_wpse_99226(){
    global $wpdb;
    $authors = array();
    $results = $wpdb->get_results( $wpdb->prepare("SELECT post_author FROM $wpdb->posts WHERE (post_type = \'%s\' AND ID = %d) OR (post_type = \'revision\' AND post_parent = %d) GROUP BY post_author", get_post_type( get_the_ID() ), get_the_ID(), get_the_ID() ) );
    foreach($results as $row){
          $authors[] =  get_the_author_meta(\'display_name\', $row->post_author );
    }
    return implode(", ", $authors);
}