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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 1597 | * |
| 1598 | * Typical comment types include an empty string (standard comment), 'pingback', |
| 1599 | * or 'trackback'. |
| 1600 | * |
| 1601 | * @since 2.7.0 |
| 1602 | * |
| 1603 | * @param int $comment_ID The comment ID. |
| 1604 | * @param WP_Comment $comment Comment object. |
| 1605 | */ |
| 1606 | do_action( "comment_{$new_status}_{$comment->comment_type}", $comment->comment_ID, $comment ); |
| 1607 | } |
| 1608 | |
| 1609 | /** |
| 1610 | * Clear the lastcommentmodified cached value when a comment status is changed. |
| 1611 | * |
| 1612 | * Deletes the lastcommentmodified cache key when a comment enters or leaves |
| 1613 | * 'approved' status. |
| 1614 | * |
| 1615 | * @since 4.7.0 |