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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 |
|---|---|
| 734 | * Fires after a user's signup information has been written to the database. |
| 735 | * |
| 736 | * @since 4.4.0 |
| 737 | * |
| 738 | * @param string $user The user's requested login name. |
| 739 | * @param string $user_email The user's email address. |
| 740 | * @param string $key The user's activation key |
| 741 | * @param array $meta Additional signup meta. By default, this is an empty array. |
| 742 | */ |
| 743 | do_action( 'after_signup_user', $user, $user_email, $key, $meta ); |
| 744 | } |
| 745 | |
| 746 | /** |
| 747 | * Notify user of signup success. |
| 748 | * |
| 749 | * This is the notification function used when site registration |
| 750 | * is enabled. |
| 751 | * |
| 752 | * Filter 'wpmu_signup_blog_notification' to bypass this function or |