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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 |
|---|---|
| 2565 | update_user_option( $user_id, 'default_password_nag', true, true ); //Set up the Password change nag. |
| 2566 | |
| 2567 | /** |
| 2568 | * Fires after a new user registration has been recorded. |
| 2569 | * |
| 2570 | * @since 4.4.0 |
| 2571 | * |
| 2572 | * @param int $user_id ID of the newly registered user. |
| 2573 | */ |
| 2574 | do_action( 'register_new_user', $user_id ); |
| 2575 | |
| 2576 | return $user_id; |
| 2577 | } |
| 2578 | |
| 2579 | /** |
| 2580 | * Initiates email notifications related to the creation of new users. |
| 2581 | * |
| 2582 | * Notifications are sent both to the site admin and to the newly created user. |
| 2583 | * |