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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 |
|---|---|
| 386 | /** |
| 387 | * Fires once a revision has been saved. |
| 388 | * |
| 389 | * @since 2.6.0 |
| 390 | * @since 6.4.0 The post_id parameter was added. |
| 391 | * |
| 392 | * @param int $revision_id Post revision ID. |
| 393 | * @param int $post_id Post ID. |
| 394 | */ |
| 395 | do_action( '_wp_put_post_revision', $revision_id, $post['post_parent'] ); |
| 396 | } |
| 397 | |
| 398 | return $revision_id; |
| 399 | } |
| 400 | |
| 401 | |
| 402 | /** |
| 403 | * Save the revisioned meta fields. |
| 404 | * |