Comment (tag)
| comment_class | Allows you to change the list of CSS classes applied to each comment |
| comment_form_default_fields | Allows you to modify, add, or remove comment form fields such as |
| comment_post | Fires immediately after a comment is added to the database. The event passes the comment ID, status, and data. |
| deleted_comment | Fires immediately after a comment is deleted from the database (before the cache is cleared). |
| edit_comment | Fires immediately after a comment has been updated in the database. |
| preprocess_comment | Filters comment data before it is sanitized and added to the database. The filter fires at the very beginning of wp_new_comment(), which adds a new comment. |
| trashed_comment | Fires immediately after a comment is moved to the Trash. |
| untrashed_comment | Fires immediately after a comment is restored from the Trash. |
| wp_count_comments | Allows you to change the comment count for a specified post or for the site as a whole. |