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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 |
|---|---|
| 898 | if ( is_wp_error( $user_id ) ) |
| 899 | return false; |
| 900 | |
| 901 | $user = new WP_User( $user_id ); |
| 902 | |
| 903 | // Newly created users have no roles or caps until they are added to a blog. |
| 904 | delete_user_option( $user_id, $user->cap_key ); |
| 905 | delete_user_option( $user_id, 'user_level' ); |
| 906 | |
| 907 | do_action( 'wpmu_new_user', $user_id ); |
| 908 | |
| 909 | return $user_id; |
| 910 | } |
| 911 | |
| 912 | /** |
| 913 | * Create a site. |
| 914 | * |
| 915 | * This function runs when a user self-registers a new site as well |
| 916 | * as when a Super Admin creates a new site. Hook to 'wpmu_new_blog' |