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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 |
|---|---|
| 2569 | * |
| 2570 | * @since 2.3.0 |
| 2571 | * |
| 2572 | * @param int $post_id Post ID. |
| 2573 | * @param int $new The new comment count. |
| 2574 | * @param int $old The old comment count. |
| 2575 | */ |
| 2576 | do_action( 'wp_update_comment_count', $post_id, $new, $old ); |
| 2577 | /** This action is documented in wp-includes/post.php */ |
| 2578 | do_action( 'edit_post', $post_id, $post ); |
| 2579 | |
| 2580 | return true; |
| 2581 | } |
| 2582 | |
| 2583 | // |
| 2584 | // Ping and trackback functions. |
| 2585 | // |
| 2586 | |
| 2587 | /** |