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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 |
|---|---|
| 4172 | delete_post_meta( $post_id, '_wp_trash_meta_comments_status' ); |
| 4173 | |
| 4174 | /** |
| 4175 | * Fires after comments are restored for a post from the Trash. |
| 4176 | * |
| 4177 | * @since 2.9.0 |
| 4178 | * |
| 4179 | * @param int $post_id Post ID. |
| 4180 | */ |
| 4181 | do_action( 'untrashed_post_comments', $post_id ); |
| 4182 | } |
| 4183 | |
| 4184 | /** |
| 4185 | * Retrieves the list of categories for a post. |
| 4186 | * |
| 4187 | * Compatibility layer for themes and plugins. Also an easy layer of abstraction |
| 4188 | * away from the complexity of the taxonomy layer. |
| 4189 | * |
| 4190 | * @since 2.1.0 |