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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 |
|---|---|
| 3872 | delete_post_meta( $post_id, '_wp_trash_meta_comments_status' ); |
| 3873 | |
| 3874 | /** |
| 3875 | * Fires after comments are restored for a post from the Trash. |
| 3876 | * |
| 3877 | * @since 2.9.0 |
| 3878 | * |
| 3879 | * @param int $post_id Post ID. |
| 3880 | */ |
| 3881 | do_action( 'untrashed_post_comments', $post_id ); |
| 3882 | } |
| 3883 | |
| 3884 | /** |
| 3885 | * Retrieves the list of categories for a post. |
| 3886 | * |
| 3887 | * Compatibility layer for themes and plugins. Also an easy layer of abstraction |
| 3888 | * away from the complexity of the taxonomy layer. |
| 3889 | * |
| 3890 | * @since 2.1.0 |