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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 |
|---|---|
| 2505 | update_user_option( $user_id, 'default_password_nag', true, true ); //Set up the Password change nag. |
| 2506 | |
| 2507 | /** |
| 2508 | * Fires after a new user registration has been recorded. |
| 2509 | * |
| 2510 | * @since 4.4.0 |
| 2511 | * |
| 2512 | * @param int $user_id ID of the newly registered user. |
| 2513 | */ |
| 2514 | do_action( 'register_new_user', $user_id ); |
| 2515 | |
| 2516 | return $user_id; |
| 2517 | } |
| 2518 | |
| 2519 | /** |
| 2520 | * Initiates email notifications related to the creation of new users. |
| 2521 | * |
| 2522 | * Notifications are sent both to the site admin and to the newly created user. |
| 2523 | * |