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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 |
|---|---|
| 3438 | } |
| 3439 | |
| 3440 | /** |
| 3441 | * Fires after a new user registration has been recorded. |
| 3442 | * |
| 3443 | * @since 4.4.0 |
| 3444 | * |
| 3445 | * @param int $user_id ID of the newly registered user. |
| 3446 | */ |
| 3447 | do_action( 'register_new_user', $user_id ); |
| 3448 | |
| 3449 | return $user_id; |
| 3450 | } |
| 3451 | |
| 3452 | /** |
| 3453 | * Initiates email notifications related to the creation of new users. |
| 3454 | * |
| 3455 | * Notifications are sent both to the site admin and to the newly created user. |
| 3456 | * |