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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 |
|---|---|
| 1447 | /** |
| 1448 | * Fires when the comment status is in transition. |
| 1449 | * |
| 1450 | * @since 2.7.0 |
| 1451 | * |
| 1452 | * @param int|string $new_status The new comment status. |
| 1453 | * @param int|string $old_status The old comment status. |
| 1454 | * @param object $comment The comment data. |
| 1455 | */ |
| 1456 | do_action( 'transition_comment_status', $new_status, $old_status, $comment ); |
| 1457 | /** |
| 1458 | * Fires when the comment status is in transition from one specific status to another. |
| 1459 | * |
| 1460 | * The dynamic portions of the hook name, `$old_status`, and `$new_status`, |
| 1461 | * refer to the old and new comment statuses, respectively. |
| 1462 | * |
| 1463 | * @since 2.7.0 |
| 1464 | * |
| 1465 | * @param WP_Comment $comment Comment object. |