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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 |
|---|---|
| 2384 | * |
| 2385 | * @since 2.3.0 |
| 2386 | * |
| 2387 | * @param int $post_id Post ID. |
| 2388 | * @param int $new The new comment count. |
| 2389 | * @param int $old The old comment count. |
| 2390 | */ |
| 2391 | do_action( 'wp_update_comment_count', $post_id, $new, $old ); |
| 2392 | /** This action is documented in wp-includes/post.php */ |
| 2393 | do_action( 'edit_post', $post_id, $post ); |
| 2394 | |
| 2395 | return true; |
| 2396 | } |
| 2397 | |
| 2398 | // |
| 2399 | // Ping and trackback functions. |
| 2400 | // |
| 2401 | |
| 2402 | /** |