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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 |
|---|---|
| 2890 | return true; |
| 2891 | |
| 2892 | /** |
| 2893 | * Fires before comments are restored for a post from the trash. |
| 2894 | * |
| 2895 | * @since 2.9.0 |
| 2896 | * |
| 2897 | * @param int $post_id Post ID. |
| 2898 | */ |
| 2899 | do_action( 'untrash_post_comments', $post_id ); |
| 2900 | |
| 2901 | // Restore each comment to its original status. |
| 2902 | $group_by_status = array(); |
| 2903 | foreach ( $statuses as $comment_id => $comment_status ) |
| 2904 | $group_by_status[$comment_status][] = $comment_id; |
| 2905 | |
| 2906 | foreach ( $group_by_status as $status => $comments ) { |
| 2907 | // Sanity check. This shouldn't happen. |
| 2908 | if ( 'post-trashed' == $status ) |