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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 |
|---|---|
| 2538 | $status = '0'; |
| 2539 | $comments_in = implode( "', '", $comments ); |
| 2540 | $wpdb->query( "UPDATE $wpdb->comments SET comment_approved = '$status' WHERE comment_ID IN ('" . $comments_in . "')" ); |
| 2541 | } |
| 2542 | |
| 2543 | clean_comment_cache( array_keys($statuses) ); |
| 2544 | |
| 2545 | delete_post_meta($post_id, '_wp_trash_meta_comments_status'); |
| 2546 | |
| 2547 | do_action('untrashed_post_comments', $post_id); |
| 2548 | } |
| 2549 | |
| 2550 | /** |
| 2551 | * Retrieve the list of categories for a post. |
| 2552 | * |
| 2553 | * Compatibility layer for themes and plugins. Also an easy layer of abstraction |
| 2554 | * away from the complexity of the taxonomy layer. |
| 2555 | * |
| 2556 | * @since 2.1.0 |