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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 4449 | * Fires when a post is transitioned from one status to another. |
| 4450 | * |
| 4451 | * The dynamic portions of the hook name, `$new_status` and `$old status`, |
| 4452 | * refer to the old and new post statuses, respectively. |
| 4453 | * |
| 4454 | * @since 2.3.0 |
| 4455 | * |
| 4456 | * @param WP_Post $post Post object. |
| 4457 | */ |
| 4458 | do_action( "{$old_status}_to_{$new_status}", $post ); |
| 4459 | |
| 4460 | /** |
| 4461 | * Fires when a post is transitioned from one status to another. |
| 4462 | * |
| 4463 | * The dynamic portions of the hook name, `$new_status` and `$post->post_type`, |
| 4464 | * refer to the new post status and post type, respectively. |
| 4465 | * |
| 4466 | * Please note: When this action is hooked using a particular post status (like |
| 4467 | * 'publish', as `publish_{$post->post_type}`), it will fire both when a post is |